15/16 × 5/6

Reduce your answers to simplest form

Answers

Answer 1
25/32 is the answer.
15/6 x 5/6 = 75/96 = 25/32
                       (divide by 3)
                  OR
(simplify by 3. cross out 15 and get 5--->)15/16 x 5/6(<---simplify by 3. cross out 6and get 2) = 
and thats what u get
5/16 x 5/2 = 25/32


Related Questions

Evaluate the function for x = –4c if c = –2.

f(x) = -3^2 - 4x
A.
–160
B.
–256
C.
–224
D.
160

Answers

x = –4c
if c = -2 then x = -4(-2) = 8

I believed you  had a typo, function should be f(x) = -3x^2 - 4x 
so
f(x) = -3x^2 - 4x 
f(x) = -3(8^2) - 4(8)
f(x) = -3(64) - 32
f(x) = -192 - 32
f(x) = -224

answer

C.
–224

The total cost C( in dollars) to participate in a ski club is given by the literal equation C=85x+60, where x is the number of ski trips you take

Answers

a. Solving the equation for x gives x = (C - 60)/85.

b. The number of ski trips that you would take if you spend a total of $315 is 3 ski trips.

The number of ski trips that you would take if you spend a total of $315 is 5 ski trips.

In Mathematics and Geometry, a linear equation is a type of function with a constant slope and whose equation is graphically represented by a straight line on the xy-plane or cartesian coordinate.

Part a.

By making x the subject of formula in the given equation, we have:

C = 85x + 60

85x = C - 60

x = (C - 60)/85

Part b.

When the value of C is 315, number of ski trips (x) is given by;

x = (315 - 60)/85

x = 3 ski trips.

When the value of C is 485, number of ski trips (x) is given by;

x = (485 - 60)/85

x = 5 ski trips.

Complete Question:

The total cost C (in dollars) to participate in a ski club is given by the literal equation C=85x+60, where x is the number of ski trips you take.

a. Solve the equation for x.

b. How many ski trips do you take if you spend a total of $315? $485?

1. What is the remainder when x^2+4 is divided by x-2?

2. Evaluate f(-1) using substitution: f(x)=2x^3-3x^2-18x-8

3. The point (1,0) lies on the graph of p(x)=x^4-2x^3-x+2
True or false

4. If x-1 is a factor of p(x)=x^3-7x^2+15x-9, which of the following represents the complete factorization for p(x)?
A. (x-3)(x+4)(x+1)
B. (x-3)(x-3)(x-1)
C. (x-3)(x+3)(x-1)
D. (x-3)(x+3)(x+1)

Answers

1.The remainder is 8. (x2 + 4)/(x - 2) = (x + 2) + 8/(x - 2) or x2 + 4 = (x - 2)(x +  + 8
2. 5
3.not sure but maybe true
4.divide P(x) by (x-1) to get the quadratic equation... from which can be solve using any method in finding the roots of quadratic equation....

Answer:

1) 8

2) 5

3) False

4) Option B

Step-by-step explanation:

1) We have to find the remainder when we divide (x² + 4) by (x - 2)

To get the remainder we will put x = 2 in (x² + 4)

= (2)² + 4

= 8

2). We have to evaluate f(-1) using substitution in f(x) = 2x³ - 3x² - 18x - 8

f(-1) = 2(-1)³ - 3(-1)²- 18(-1) - 8

      = 2(-1) - 3 + 18 -8

      = -2 - 3 + 18 - 8

      = 5

3) The point (1, 0) lies on the graph of p(x) = [tex]x^{4}-2x^{3}-x+2[/tex]

If this point lies on the graph then p(1) should be equal to zero.

p(1) = 1³ - 7(1)² + 7(1) - 9

     = 1 - 7 + 7 - 9

     = -8 ≠ 0

Therefore, It's false.

4). (x - 1) is a factor of p(x) = x³ - 7x² + 15x - 9

Now we will factorize it further when (x - 1) is a zero factor.

By Synthetic division

1 |  1    - 7     15    -9

           1      -6     9

-----------------------------

    1     -6      9     0

Now we have got the expression as (x - 1)(x²- 6x + 9)

Or (x -1)(x² - 6x + 9) = (x - 1)(x - 3)(x - 3)

Therefore, Option B. is the answer.

A video store charges $5 per movie, and the fifth movie is free. How much do you actually pay per movie?

Answers

If each movie is $5, then 5x4 would equal about $20

The amount paid per movie is $4.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Charge per movie = $5

The fifth movie charge = $0

Now,

The charge for 5 movies.

= 5 x 4 + 0

= 20

This means,

5 movies cost $20

The cost of one movie.

= 20/5

= $4

Thus,

The cost per movie is $4.

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An airplane travels at 950 km/h. how long does it take to travel 1.00km? in hours

Answers

An airplane travels at 950 km/h. how long does it take to travel 1.00km? in hours, 0.0010526 hrs.

Find the value of p that makes the linear graph y=p-3x pass through the point where the lines 4x-y=6 and 2x-5y=12

Answers

4x - y = 6
4x - 6 = y

2x - 5y = 12
2x - 5(4x - 6) = 12
2x - 20x + 30 = 12
2x - 20x = 12 - 30
-18x = -18
x = -18/-18
x = 1

4x - 6 = y
4(1) - 6 = y
4 - 6 = y
-2 = y

so the 2 lines given intersect at (1,-2)

y = p - 3x......(1,-2)...x = 1 and y = -2
-2 = p - 3(1)
-2 = p - 3
-2 + 3 = p
1 = p <===



Sam is a painter. He has 2 1/4 gallons of paint, and it takes 3/4 of a gallon to paint a room. How many rooms can he paint?

A.1
B.2
C.3
D.4

Answers

the answer is c . I hope I helped

Jesse and her brothers nick and owen are saving money over the summer each week, jesse saves twice as much as owen. Owen saves $5 more than nick. At the end of four weeks, the three of them have saved a total of $220. How much money does each person save per week?

Answers

Final answer:

Jesse saves $112.50 per week, Nick saves $51.25 per week, and Owen saves $56.25 per week.

Explanation:

To find out how much money each person saves per week, we need to set up a system of equations. Let's start by assigning variables to the amounts saved by each person. Let 'J' represent the amount saved by Jesse, 'N' represent the amount saved by Nick, and 'O' represent the amount saved by Owen.

2O = J   (Jesse saves twice as much as Owen)

N + 5 = O   (Owen saves $5 more than Nick)

J + N + O = 220   (The total amount saved by all three is $220)

Now, we can substitute the values in the equations to find the amounts saved by each person.

From the first equation, J = 2O. Substituting this value in the third equation gives us: 2O + N + O = 220. Simplifying, we get 3O + N = 220.

From the second equation, N + 5 = O. Rearranging, we get N = O - 5. Substituting this value in the third equation gives us: 3O + (O - 5) = 220. Simplifying, we get 4O = 225. Solving for O, we find that Owen saves $56.25 per week.

Substituting this value in the second equation, we find that Nick saves $51.25 per week. Finally, substituting the values in the first equation, we find that Jesse saves $112.50 per week.

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Find the distance between a and b. a =  14/5 ,   b =  112/65

Answers

make a common denominator

14/5 x 13 = 182/65

182-112 = 70

the distance between the two is 70

hope this helps

Question 3 jane takes a survey of 100 random students at her school about their eye color. the results are shown in the chart below. based on the outcome of the survey, how many students can she expect to have green eyes if there are 20 students in her class

Answers

Answer:

Chart please

Step-by-step explanation:

What is the density of a 7000 gram brick that is 4 inches x 5 inches x 3 inches?

Answers

Since the formula for density is mass/volume and 60 inches =983.244 cubic centimeters the density is 7.1194

The length of a rectangle is 3 m longer than its width. if the perimeter of the rectangle is 42 m , find its area.

Answers

the length would be 11m and the width would be 8m. if you add all sides together you get 42m. A=l times w
11 times 8= 88m^2

The area of the given rectangle would be 108-meter sq.

What is the area of the rectangle?

The area of the rectangle is the product of the length and width of a given rectangle.

The area of the rectangle = length × Width

Given that length of a rectangle is 3 m longer than its width.

The perimeter of the rectangle = 42 m

Width = w

Let the length of the rectangle is 3 + w

Perimeter = 2(L +W)

42 = 2(w + 3 + w)

21 = 2w + 3

18 = 2w

w = 9

Area = 9 x  12 = 108 m sq.

Therefore, the area of the given rectangle would be 108-meter sq.

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How can you find the domain of this function???
Number 198

Answers

see attached picture for answer

How can you classify the results of operations on real numbers

Answers

Answer:

We can classify the result of operation on real number into rational and irrational numbers.

Further details:

We already know that all counting numbers are whole numbers, all whole numbers are integers, and all integers are rational numbers. Irrational numbers are a distinct category of their own. When we put together the rational numbers and the irrational numbers, we get the set of real numbers.

Rational numbers:

Any quantity that can be written as a fraction a/b where a and b are integers and b is not equal to zero are called rational numbers. These comprise all the integers, any finite decimals, or repeating decimals (decimals that have a pattern).

Irrational numbers:

Any number that can't be written as a/b are measured irrationals. They can be printed in decimal, but they go on constantly without any pattern (And there is a way to prove this).

All of the rational numbers and irrational numbers are measured real numbers. It must be notice here that all these numbers lie on a straight number and any number that lie outside the number line is not real number.  For instance, we can extend the 1-D line to 2-D plane with complex numbers on it.

Answer details:

Subject: Mathematics

Level: High school

Keywords:

• Real numbers

• Classification of real number

• Rational number

• Irrational numbers

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The results will be classified as rational or Irrational numbers.

This question will have to be explained by understanding real numbers.

Real numbers are basically defined as any type of number in life that is not a complex number. This means they could be fractions, decimals, positive numbers, negative numbers e.t.c

Now, in broad terms, under real numbers, we have two major types which are:

Rational Numbers and Irrational numbers.

Now, rational numbers include; integers, Natural numbers, whole numbers, fractions, terminating decimals, repetitive decimals.

While Irrational numbers are basically any number that cannot be expressed as a fraction of integers and as well their decimals are usually non-repeating and non-terminating decimals.

Thus, any operation on real numbers, will lead us to an answer that falls under any of it's major branches which are rational and Irrational numbers.

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Which of the following is equivalent to (16^3/2)^1/2? 6 8 12 64

Answers

[tex]\bf a^{\frac{{ n}}{{ m}}} \implies \sqrt[{ m}]{a^{ n}} \qquad \qquad \sqrt[{ m}]{a^{ n}}\implies a^{\frac{{ n}}{{ m}}}\\\\ -------------------------------\\\\ \left( 16^{\frac{3}{2}} \right)^{\frac{1}{2}}\implies 16^{\frac{3}{2}\cdot \frac{1}{2}}\implies 16^{\frac{3}{4}}\qquad \boxed{16=2^4}\qquad (2^4)^{\frac{3}{4}}\implies 2^{4\cdot \frac{3}{4}} \\\\\\ 2^3\implies 8[/tex]

Answer:

Option B is correct that is 8.

Step-by-step explanation:

Given Expression : [tex](16^{\frac{3}{2}})^{\frac{1}{2}}[/tex]

We use a law of exponent here to simplify it,

[tex](x^a)^b=x^{ab}[/tex]

Consider,

[tex](16^{\frac{3}{2}})^{\frac{1}{2}}[/tex]

[tex]=16^{\frac{3}{2}\times\frac{1}{2}}[/tex]

[tex]=16^{\frac{3}{4}}[/tex]

[tex]=(2^4)^{\frac{3}{4}}[/tex]

[tex]=2^{4\times\frac{3}{4}}[/tex]

[tex]=2^3[/tex]

[tex]=8[/tex]

Therefore, Option B is correct that is 8.

WHOEVER ANSWERS GETS BRAINLIEST AND 20 POINTS
The area of a rectangle is 60 square inches. The length of the rectangle is 7 inches longer than the width. Which equation models this situation?

A: w + 7= 60
B: 7w = 60
C: w(w+7) = 60
D: w + 7w = 60

Answers

The answer would be C because the w represents the width, but the width is 7 units smaller. 

The answer is (c)

As the width is w , length becomes w + 7

Hence:

Area = l × b

60 = w(w+7)

Twice the quantity of a number plus two is greater than the number plus five.

Answers

2(x+2) > x+5
2x+4 > x+5
2x+4-x > x+5-x
x+4 > 5
x+4-4 > 5-4
x > 1

Final answer:

The question from the student is a mathematics problem on solving inequalities. We are asked to solve 'Twice the quantity of a number plus two is greater than the number plus five', which simplifies to n > 3, where 'n' is any number greater than three.

Explanation:

The student's question involves solving an inequality which is a concept in mathematics. The inequality is stating that 'Twice the quantity of a number plus two is greater than the number plus five.' This can be mathematically expressed as 2n + 2 > n + 5, where 'n' represents the number in question.

To solve this inequality, we would follow these steps:

Subtract 'n' from both sides of the inequality: 2n + 2 - n > n + 5 - n which simplifies to n + 2 > 5.

Next, subtract 2 from both sides: n + 2 - 2 > 5 - 2 which simplifies to n > 3.

This means any number greater than 3 satisfies the given inequality.

Transitivity of numbers with respect to comparison operators (<, >, =) is a fundamental principle in solving such inequalities. This principle allows us to state that if a number is greater than three, sequentially, it is also greater than two (2), one (1), and zero (0).

What is the center and radius of the circle with equation x2 + y2 - 4x + 22y + 61 = 0?

Answers

Hello,

[tex]x^2+y^2-4x+22y+61=0\\\\ (x^2-4x+4) +(y^2+22y+121)-121-4+61=0\\\\ (x-2)^2+(y+11)^2=64 [/tex]

Center is (2,-11) and radius is 8

My sister is 77 years older than i am. the sum of our ages is 3535. find our ages.

Answers

the older sister is 1767.5 and the younger sister is 1690.5

The length of each side of a square is 3 in. more than the length of each side of a smaller square. the sum of the areas of the squares is 269 in squared . in2. find the lengths of the sides of the two squares.

Answers

The length of the side of the big square is 13 in. while that of the smaller square is 10 in.

Square

Square is a quadrilateral in which all the sides are equal to each other. Also opposite sides are parallel to each other and all angles measure 90 degrees.

Let a represent the length of the bigger square side and b represent the length of each side of the smaller square, hence:

a = b + 3   (1)

Also:

a² + b² = 269

(b + 3)² + b² = 269

2b² + 6b - 260 = 0

b = -13 or 10. Since b cannot be negative hence b = 10.

a = b + 3 = 10 + 3 = 13

The length of the side of the big square is 13 in. while that of the smaller square is 10 in.

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Final answer:

To find the lengths of the sides of the two squares with a combined area of 269 square inches, where the larger square has sides 3 inches longer than the smaller square, we set up a quadratic equation based on the areas. Solving the equation gives us 10 inches for the smaller square and 13 inches for the larger square.

Explanation:

Finding the Lengths of the Sides of the Two Squares

We are given that the larger square has sides that are 3 inches longer than the sides of the smaller square and that the sum of their areas is 269 square inches. Let's denote the side length of the smaller square as s inches. Then, the side length of the larger square is (s + 3) inches.

The area of the smaller square is s^2, and the area of the larger square is (s + 3)^2. The sum of their areas is given by:

s^2 + (s + 3)^2 = 269

Expanding the equation gives us:

s^2 + s^2 + 6s + 9 = 269

Combining like terms, we get:


s^2 + s^2 + 6s + 9 - 269 = 0

2s^2 + 6s - 260 = 0

Dividing the entire equation by 2, we simplify to:

s^2 + 3s - 130 = 0

This is a quadratic equation that can be factored:

(s + 13)(s - 10) = 0

Setting each factor equal to zero gives us two possible solutions for s:

s + 13 = 0s - 10 = 0

The negative solution is not physically meaningful for the length of a side, so we discard s = -13 and take s = 10 inches as the side length of the smaller square. The larger square, therefore, has sides of 13 inches.

So, the side lengths of the two squares are 10 inches and 13 inches respectively.

Rick is on a bicycle trip. Every 444 days he bikes 230 \text{ km}230 km230, space, k, m.If Rick keeps this same pace for 161616 days, how many kilometers will he bike?

Answers

To calculate the total kilometers Rick will bike in 16 days, we find his daily distance by dividing 230 km by 4, which results in 57.5 km/day, and then multiply by 16 to get 920 km.

The subject of this question is Mathematics, and it seems appropriate for a Middle School student. To find out how many kilometers Rick will bike in 16 days, we need to start by calculating the number of kilometers he bikes per day. Rick bikes 230 km every 4 days, so we divide 230 km by 4 to get the daily distance:

230 km / 4 days = 57.5 km/day.

Now, to find the total distance Rick will bike in 16 days, we multiply the daily distance by the total number of days:

57.5 km/day times 16 days = 920 km.

So, Rick will bike 920 kilometers if he keeps the same pace for 16 days.

Use the table and diagram to answer this question.

(I attached the picture)

Answers

We have a right triangle with two of the legs known (7 and 4). The hypotenuse is unknown. Because of this, we will use the tangent trigonometric function.

Tangent of an angle is equal to the ratio of the opposite and adjacent sides
tan(angle) = opposite/adjacent

Divide those two sides to get
opposite/adjacent = 7/4 = 1.75

Look through the table and see which value in the "tan(x)" column is closest to 1.75, and that happens to be 1.7321. It is in the bottom row corresponding to 60 degrees.

So the final answer is choice D) 60 degrees

Note: it turns out that the angle theta is roughly 60.2551187 degrees

Martin had 7 pounds of grapes left, and he gave away 25 of them. Explain how to use compatible numbers to estimate the amount of grapes he gave away.

Answers

+7-25=-18 is the correct answer

Answer:

Sample response:  

2

5

is close to  

1

2

, and it is easy to find  

1

2

of 7 mentally. Half of 7 is 3.5, so Martin gave away about 3.5 pounds.

Step-by-step explanation:

-,-

Use the chain rule to find dz/dt calculator

Answers

Final answer:

The chain rule allows you to find the derivative of a function that is a composition of other functions. With an example, we calculated dz/dt with z = y^3 and y = 2t+1. While calculators can help, understanding the process is key.

Explanation:

The chain rule in calculus is a theorem that allows you to find the derivative of a composite function. If a variable z depends on the variable y, which itself depends on another variable t, then z, is a function of t. The chain rule could be mathematically expressed as dz/dt = (dz/dy) × (dy/dt).

For instance, if z = y^3 and y = 2t+1, we can calculate dz/dt by first finding the derivatives dz/dy and dy/dt, which are 3y² and 2, respectively. We then substitute y = 2t+1 into dz/dy to get dz/dy = 3(2t+1)². Therefore, using the chain rule, dz/dt = 3(2t+1)² × 2.

While your request mentions a calculator, knowing these steps should enable you to perform the operation using most scientific calculators. However, understanding the process is very important before relying on technology.

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The final expression for [tex]\frac{dz}{dt}[/tex] incorporates the partial derivatives and the derivatives of x and y with respect to t.

Given the function z = xy⁷ - x²y, where x = t² + 1 and y = t² - 1, we are to find [tex]\frac{dz}{dt}[/tex].

To do this, we apply the chain rule for derivatives:

[tex]\frac{dz}{dt}[/tex] = ([tex]\frac{dz}{dx}[/tex]) × ([tex]\frac{dx}{dt}[/tex]) + ([tex]\frac{dz}{dy}[/tex]) × ([tex]\frac{dy}{dt}[/tex]).

First, we calculate [tex]\frac{dx}{dt}[/tex] and [tex]\frac{dy}{dt}[/tex].Then, we find the partial derivatives [tex]\frac{dz}{dx}[/tex] and [tex]\frac{dz}{dy}[/tex].Finally, we combine these results to find dz/dt using the chain rule.

Let's find [tex]\frac{dx}{dt}[/tex] and [tex]\frac{dy}{dt}[/tex]:

⇒ [tex]\frac{dx}{dt}[/tex] = d(t² + 1) ÷ dt = 2t

⇒ [tex]\frac{dy}{dt}[/tex] = d(t² - 1) ÷ dt = 2t

Next, we compute the partial derivatives of z with respect to x and y:

⇒ [tex]\frac{dz}{dx}[/tex] = y⁷ - 2xy

⇒ [tex]\frac{dz}{dy}[/tex] = 7xy⁶ - x²

Now, we substitute x and y into these partial derivatives:

x = t² + 1, y = t² - 1

⇒ [tex]\frac{dz}{dx}[/tex] = (t² - 1)⁷ - 2(t² + 1)(t² - 1)

⇒ [tex]\frac{dz}{dy}[/tex] = 7(t² + 1)(t² - 1)⁶ - (t² + 1)²

Finally, we combine these to find [tex]\frac{dz}{dt}[/tex]:

⇒ [tex]\frac{dz}{dt}[/tex] = ([tex]\frac{dz}{dx}[/tex]) × ([tex]\frac{dx}{dt}[/tex]) + ([tex]\frac{dz}{dy}[/tex]) × ([tex]\frac{dy}{dt}[/tex]).

Substituting everything into this formula:

⇒ [tex]\frac{dz}{dt}[/tex] = [(t² - 1)⁷ - 2(t² + 1)(t² - 1)] × 2t + [7(t² + 1)(t² - 1)⁶ - (t² + 1)²] × 2t

Complete question:

Use the Chain Rule to find [tex]\frac{dz}{dt}[/tex].

z = xy⁷ - x²y, x= t² + 1, y = t² - 1

Find an equation of a line whose graph intersects the graph of the parabola y=x^2 at (a) two points, (b) one point, and (c) no point. (There is more than one correct answer for each.)

Answers

1) 2 points: 
We need to come up with a function that intersects the graph at two points, meaning has two (x,y) in common with the function. If you look at the graph of y=x^2, you see that it would be quite easy to draw a line that intersects the graph twice. In fact, there are an infinite number of functions that would satisfy this. 
One easy function is y=2. This is a horizontal line in which y=2 for all values of x. In the graph y=x^2, y=2 intersects twice.
2=x^2
x^2= √2 or -√2
the shared points are (√2,2) and (-√2,2)

b) one point:
Here, we want to find an equation with only one (x,y) in common with y=x². This is a bit trickier.
One easy solution is y=-x²
Looking at a graph of the two functions, you see that y=-x² is a reflection across the x-axis of y= x². The two functions have only one point in common: (0,0). 

c) no point in common
Take another look at the graph of y=x². You see that the function never crosses the x-axis. A simple function that will never intersect the graph is y=-2. Since y is negative for all values of x, it is guaranteed to never intersect y=x², a function in which y is positive for all negative or positive values of x. 

Final answer:

Equations of lines that intersect a parabola at distinct points can vary, but typically involve conditions based on the slope and y-intercept relative to the vertex of the parabola. For two points, a non-tangent linear equation; for one point, a tangent with slope equal to the parabola's derivative at the intersection; for no points, the line lies entirely outside the parabola's path.

Explanation:

To find equations of lines intersecting the parabola y = x² at different points, we consider three cases:

(a) The line intersects the parabola at two points. This is a secant line and can be represented by a linear equation like y = mx + b, where m is not equal to 2a for any x-coordinate of the intersection points (since 2a is the derivative of the parabola at the point (a, a²), where it would be tangent).(b) The line intersects the parabola at one point. This is a tangent line and can be represented by a linear equation like y = mx + b, where m = 2a is the slope of the tangent at the point of tangency (a, a²).(c) The line does not intersect the parabola, meaning it is either above all points of the parabola for positive y-values or below for negative y-values. Such a line might have an equation like y = mx + b with b > a² for positive y-values or b < 0 for negative y-values when m < 2a for any x-coordinate.

All lines can be represented by the general linear equation y = a + bx + cx², which is the equation of a parabola only if c ≠ 0.

what is the distance between (-6,4) and (-8,6)

Answers

Final answer:

The distance between the points (-6,4) and (-8,6) is found using the Pythagorean Theorem, resulting in a distance of approximately 2.83 units.

Explanation:

The question asks for the distance between two points, (-6,4) and (-8,6), which can be found using the Pythagorean Theorem in a coordinate plane. The formula for finding the distance (d) between any two points (x₁,y₁) and (x₂,y₂) is given by d = √[(x₂ - x₁)² + (y₂ - y₁)²].

Thus, substituting the given points into the formula, we get: d = √[(-8 + 6)² + (6 - 4)²] = √[(-2)²+ (2)²] = √[4 + 4] = √[8].

Therefore, the distance between the points (-6,4) and (-8,6) is √8, which is approximately 2.83 units.

The volume of a cube is 1000 cubic inches. What is the edge length of the cube?

Answers

Since the volume of a cube is S^3, where S is the length of one of the sides, we take the cube root of 1000 and get the edge length of the cube is 10 inches.

Find the number of degrees in an angle which is 42 degrees less than its complement

Answers

A = angle your are looking for
C = its complement angle

A + C = 90
A + 42 = C

Add both equation :

A + C + A + 42 = 90 + C
so
A + A = 90 - 42
2A = 48

so A = 24

The required angle can be found by solving the equation as 24°.

How to solve a linear equation?

A linear equation can be solved by equating the LHS and RHS of the equation following some basic rules such as by adding or subtracting the same numbers on both sides and similarly, doing division and multiplication with the same numbers.

Suppose the measure of  required angle be x.

Then, its complement can be written as 90 - x.

As per the question, the following equation can be formed as,

x + 42 = 90 - x

⇒ 2x = 48

⇒ x = 24

Hence, the measure of the required angle is 24°.

To know more about linear equation click on,

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Can you please check my answers?
Select the order pair(s) that are solutions to this system of inequalities:
y < -3x + 2
y ≥ x - 1
Question 1 options:
(0, 0) <<<<
(0, -4)
(1, 4) <<<<
(-3, 3)

Select the order pair(s) that are solutions to this system of inequalities:

y ≤ -2x + 3
y < 1/2 x - 2

Question 2 options:

(0, 0) <<<<

(5, -1)

(0, -3) <<<<

(-2, -3)

Select the order pair(s) that are solutions to this system of inequalities:

y ≤ 3

y > -x + 1

Question 3 options:


(0, 0) <<<<


(2, 2)


(-1, 3) <<<<


(5, -1)


What are the real and imaginary parts of the complex number?

−6+2i

Enter your answers in the boxes. (Can someone help me with this one?)

The real part:
The imaginary part:

Which expression is equal to (−8−3i)+(3+4i)?

4
−5+i <<<< I chose this one..is it right?
−11+7i
−4

Which expression is equal to (5−2i)−(1+3i)?



4+3i
6−5i
4−5i <<<< I chose this one, is it right?
4+i

Which expression is equal to −2i(4−i)?



−8−2i
8−2i <<<<
2−8i
−2−8i

Multiply.

(5+2i)(4−3i)

Enter your answer, in standard form, in the box.

I got (2i+5)(-3i+4) is that right?

Answers

From looking at it yes it is right.

for the second to last one this is the right answer is -2-8i ( i got and 100 on my test )

Why do we never accept the null hypothesis or the research hypothesis? (instead we either reject or fail to reject)?

Answers

The concept goes to the idea of falsification. The null hypothesis is based on the concept that there is no statistically significant difference between the two factors being studied. The outcome, when it is measured, seeks to falsify this statement: if it does not, then it simply does not falsify the null hypothesis. However, it does not mean that the null hypothesis is accepted as correct: it may simply mean that there are other, unstudied factors at play that were not tested and could have some sort of effect.
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