Someone help me please

Someone Help Me Please

Answers

Answer 1

50 x 32 = 1600square feet

area of a square is S^2 so the length of the side of a square would be 1600 =S^2

S=sqrt(1600) = 40 feet long

 perimeter of a square is 40 x 4 = 160 feet


Related Questions

f={(x,y)| y=x+3} find f(3.6) & f(-0.2)

Answers

assuming you mean f(x)=x+3, find f(3.6) and f(-0.2)

f(3.6)=3.6+3=6.6
f(-0.2)=-0.2+3=2.8

Marla swims twice a week. her equipment cost her $32.85 and she has a membership to the pool for $35 plus #3.50 per visit. she can walk to the pool, so transportation is free. how much will swimming cost her for the year?

Answers

Around $634.85 per year

Because:

$32.85+$35(12 months)+$3.5(52 weeks in a year)= Total cost per year
                   $420                       $182

        $32.85 + $420 + $182 = $634.85 per year

Three subtracted from x is less than or equal to -17

Answers

x-3[tex] \leq [/tex] -17


x greater than or equal to 20

Rectangle 800 feet long and 700 feet wide. if fencing costs $13 per​ yard, what will it cost to place fencing around the​ playground

Answers

2*800 + 2*700 = 3,000 feet   ← perimeter of the playground

3 feet = 1 yard  ⇒  3,000  feet = 1,000 yards

1,000 * $13 = $13,000  ← answer

Given the function f (x) = 10x + 4, find each of the following. f(8), f(-4), f (0)

f(8)=?
f(-4)=?
f(0)=?

Answers

f(8)= 10 * 8 + 4 = 80 + 4 = 84
f(-4)= 10(-4) + 4 = -40 + 4 = -36
f(0)= 10 * 0 + 4 = 0 + 4 = 4

If a line has a slope of 2 and contains the point (-2, 1), what is its equation in point-slope form?

Answers

Point slope form is y-y1= m(x-x1) where m is slope and y1 and x1 are the x and y of the coordinate given.

y-1= 2(x-(-2))
y-1= 2(x+2)

Final answer: y-1= 2(x+2)

what is the value of y?

Answers

y + y + 60 = 180
2y + 60 = 180
2y = 120
y = 60
answer.
D. 60

Answer:

The correct option is D) 60°

Step-by-step explanation:

Consider the provided triangle.

From the provided figure it is given that one angle is 60° and we need to find the value of y.

As we know the sum of all interior angle in a triangle is 180°.

y°+y°+60°=180°

Now solve the above equation to find the value of y.

2y°+60°=180°

2y°=180°-60°

2y°=120°

y°=120°÷2

y°=60°

Hence, the value of y is 60°.

Thus, the correct option is D) 60°

Pick the geometric term that matches the real-word object: a lip-gloss tube.

Answers

a lip-gloss tube is generally a cylinder

Answer: Cylinder.

Step-by-step explanation: Lip-gloss tubes may have different shapes, but the usual form of a lip-gloss tube is, as the name says, a tube.

This means that it has a circular base and a circular top, and a given height that connects the base and the top, the geometrical shape that has this shape is called a cylinder.

if a mixture of a 6% acid solution with an 11% acid solution is to be made, how much of each solution is needed to make 10 liters of an 8% acid solution

Answers

x - 6%
y - 11%
We need 10 liters of 8%.
A) x + y = 10
B) .06x + .11y = (10 * .08)
Multiplying equation A by -.06
A) -.06x + -.06y = -.6   Then adding this to B)
B) .06x + .11y = (10 * .08)
.05y = .2
y = 4 liters of 6%
x = 6 liters of 11%


To understand the mixture problems, it is recommended to use
the following table:

                       |   Amount                   Part                       Total
-------------------|-------------------------------------------------------------------
1st Item          |    x                               6%                         0.06x
-------------------|--------------------------------------------------------------------
2nd Item         |    y                              11%                       0.11y
-------------------|-------------------------------------------------------------------
TOTAL           | (x + y) =10                    8%            0.08(10 =0.8)
                             (a)                                                          (b)
a) x + y =10
b) 0.06x +0.11y = 0.8

Solving this equation gives x = 6  and y = 4, in other terms:
 x = 6  at 6% and y = 4 at 11%



Rachel has $100 in her savings account and deposits an additional $25 per week. joanna has $350 in her account and is saving $5 per week. after how many weeks will the two girls have the same amount of money?

Answers

this is the answer to this problem

If y varies directly as x, and y is 48 when x is 6, which expression can be used to find the value of y when x is 2?

Answers

Direct variation is of the form y=kx, where k is the constant of variation.  We are given the point (6,48) so we can solve for k:

48=6k  divide both sides by 6

8=k, so the equation is:

y=8x, then when x=2

y=8(2)

y=16

Answer:

An expression can be used to find the value of y when x is 2 is,

y=8x ; Value of y = 16 when x = 2

Step-by-step explanation:

Direct variation states:

If y varies directly as x

⇒[tex]y \propto x[/tex]

then the equation is in the form of:

[tex]y = kx[/tex] where, k is the constant of variation.

As per the statement:

If y varies directly as x, and y is 48 when x is 6.

⇒[tex]y = kx[/tex]

y = 48 when x = 6

Substitute the given values in [1] and solve for k we have;

[tex]48= 6k[/tex]

Divide both sides by 6 we have;

8 = k

or

k = 8

Then, an equation we have;

y =8x             ....[2]

We have to find value of y when x is 2.

Substitute the value of x = 2 in [2] we have;

[tex]y = 8(2) = 16[/tex]

Therefore, an expression can be used to find the value of y when x is 2 is,

y=8x  and Value of y = 16 when x = 2

At a grocery store, an uncooked beef roast is on sale for $4.99/lb. At the same store, prepared roast beef is at the deli for $2.99/100g. How many times more expensive is the deli roast compared to the uncooked roast?

Answers

for us to find out how many times more expensive is the deli roast compared to the uncooked roast we need to change the units;
cost of 100g=0.221lb is $2.99
cost of 1 lb will therefore be:
1/0.221*2.99
=$13.53/lb
therefore the number of times more expensive the deli roast is compared to uncooked roast is:
[price of 1lb roasted meat]/[price of 1 lb uncooked meat]
=13.53/4.99
=2.7 times

Find the missing term. If y = 1 + i, then y3 − 3y2 + (-3y) (-3y + 1) (3y) (3i ) − 1 = -i .

Answers

Filling in y=1+i without the missing term yields -3-4i.

-3-4i = -3(1+i) - i

So we have to add 3(1+i) to get to -i.

3(1+i) = 3y, so 3y is the answer.

Answer:3y is the answer

Step-by-step explanation:

Please solve. best answer gets rewarded! show step by step.

Answers

Hey!

Let's write the problem.
[tex]2x-4-5x=2[/tex]
Add like terms...
[tex]-3x-4=2[/tex]
Add [tex]4[/tex] to both sides.
[tex]-3x-4+4=2+4[/tex]
[tex]-3x=6[/tex]
Divide both sides by [tex]-3[/tex].
[tex]\frac{-3x}{-3}=\frac{6}{-3}[/tex]

Our final answer would be,
[tex]x=-2[/tex]

Thanks!
-TetraFish
2x-4-5x=2
2x -5x= -3x
 -4-3x= 2
+4       +4
------------
     -3x = 6
 ------------------
       -3    -3
        
       x = -2

What is the value of theta , if tan theta = -1/squareroot3

Answers

[tex]\bf tan(\theta )=-\cfrac{1}{\sqrt{3}}\impliedby \textit{simply means }\implies \measuredangle \theta =tan^{-1}\left( -\frac{1}{\sqrt{3}} \right)[/tex]

make sure your calculator is in Degree mode, if you need the angle in degrees, or Radian mode if you need the radian.

Let log p/n=6 and log m/n=8 what is the relationship between p and m?

Answers

By the laws of logs
log p/n =  log p - log n  = 6
log m/n = log m - log n   = 8        subtract
 
 log m - log p =  2
 
log m/p = 2

So m / p = 100 
Final answer:

Given the logarithmic equations, it can be deduced that m is 100 times greater than p, assuming n>0 which is not zero to avoid division by zero and it is positive as logarithm is undefined for negative numbers.

Explanation:

The question asks to find the relationship between p and m given two log equations. Using the rule of logarithms The logarithm of the number resulting from the division of two numbers is the difference between the logarithms of the two numbers (also known as the quotient rule), we can work out the relationship.

Given that log p/n = 6, it can be rearranged in exponential form: p = 106*n. And log m/n = 8 can be rewritten as m = 108*n.

Therefore, the relationship between p and m is that m is 100 times p, assuming n>0.

Learn more about Logarithms here:

https://brainly.com/question/37245832

#SPJ11

Marijuana contains _____________ more carcinogens than cigarettes.
a. 20–30%
b. 40–60%
c. 50–70%
d. 60–80%

Answers

Weads good for you. NO CARCINOGENS.

The table below shows four systems of equations: System 1 System 2 System 3 System 4 4x − 5y = 2 3x − y = 8 4x − 5y = 2 10x − 7y = 18 4x − 5y = 2 3x − 8y = 4 4x − 5y = 2 10x + 3y = 15 Which pair of systems will have the same solution?

Answers

The system b is the same

Answer:

System 1 and System 2 are equivalent.

Step-by-step explanation:

The first and second system have the same solutions, the are equivalent systems of equations. Let's calculate solutions to demonstrate it:

System 1.

[tex]\left \{ {{4x - 5y = 2} \atop { 3x - y = 8}} \right.[/tex]

If we multiply the second equations by -5, we can eliminate one variable and find the first solution:

[tex]\left \{ {{4x - 5y = 2} \atop { -15x +5y = -40}} \right.\\-11x=-38\\x=\frac{38}{11}[/tex]

Now, we use this value to find the other solution:

[tex]3x - y = 8\\3(\frac{38}{11})-y=8\\\frac{114}{11}-8=y\\ y=\frac{114-88}{11}=\frac{26}{11}[/tex]

The solution of the first system is [tex](\frac{38}{11} ;\frac{26}{11} )[/tex]

System 2.

[tex]\left \{ {{4x - 5y = 2} \atop { 10x - 7y = 18}} \right.[/tex]

We do the same process than we did before, but this time we have to multiply by [tex]-\frac{5}{7}[/tex]:

[tex]\left \{ {{4x - 5y = 2} \atop { -\frac{50}{7}x + 5y = \frac{90}{7} }} \right.\\\frac{28x-50x}{7}=\frac{-90+14}{7}\\-22x=-76\\x=\frac{38}{11}[/tex]

Then,

[tex]4x - 5y = 2\\4(\frac{38}{11})-5y=2\\\frac{152}{11}-2=5y\\ 5y=\frac{152-22}{11}\\y=\frac{130}{5(11)}=\frac{26}{11}[/tex]

The solution of the second system is  [tex](\frac{38}{11} ;\frac{26}{11} )[/tex]

Therefore, system 1 and system 2 are equivalent.

Find all solutions in the interval [0, 2π). 7 tan^3x - 21 tan x = 0

Answers

To solve this problem, the first thing we can do is to take out 7 tan (x) from the whole equation, this results in simplification:

7 * tan (x) * (tan (x)^2 - 3) = 0 

Therefore the initial roots are taken from:

tan (x) = 0

Calculating for x:

x = 0, pi

 

The other roots can be taken from:

(tan (x)^2 - 3) = 0 

Calculating for x:

tan (x)^2 = 3

tan (x) = ± sqrt (3)  

x = pi/3 , 2pi/3 , 4pi/3 , 5pi/3 

 

Therefore the solutions are:

0 , pi, pi/3 , 2pi/3 , 4pi/3 , 5pi/3 

mary and jolene are both growing tomatoes in thier backyards to sell.jolene had 3 times as many as mary.but birds had eaten 6 before she picked them all.for the season they have a total of 54 tomotoes.how many did mary grow?

Answers

Mary grew 15 tomatoes. A simple algebraic equation was formulated and solved to determine the quantity: m + 3m - 6 = 54, where m represents the number of tomatoes grown by Mary.

Given that Jolene had 3 times as many tomatoes as Mary and birds ate 6 of Jolene's tomatoes, and together they have 54 tomatoes, we need to set up an equation to solve for the number of tomatoes Mary grew.

Let's denote the number of tomatoes Mary grew as m. Therefore, Jolene grew 3m tomatoes. Since birds ate 6 of Jolene's tomatoes, we have 3m - 6 for the number of tomatoes left with Jolene. The equation representing the total number of tomatoes then becomes m (Mary's tomatoes) + (3m - 6) (Jolene's remaining tomatoes) = 54. Simplifying this equation:

m + 3m - 6 = 54

4m - 6 = 54

4m = 60

m = 15

Therefore, Mary grew 15 tomatoes.

The point P(12, 16) is on the terminal side of θ. Evaluate tan θ.

Answers

[tex]\bf \begin{array}{rllll} (12&,&16)\\ \uparrow &&\uparrow \\ x&&y \end{array}\quad tan(\theta)=\cfrac{y}{x}\qquad \qquad tan(\theta )=\cfrac{16}{12}\implies tan(\theta )=\cfrac{4}{3}[/tex]

Answer:

tan(θ)=4/3

Step-by-step explanation:

Since opposite leg of the reference triangle equals 16 and the adjacent leg equals 12, tan(θ)=16/12 simplified to tan(θ)=4/3.

The diagonals of a trapezoid are perpendicular and have lengths 8 and 10. find the length of the median of the trapezoid.

Answers

Final answer:

The length of the median of the trapezoid with perpendicular diagonals of lengths 8 and 10 is 9 units. This is calculated using properties of the median and the Pythagorean theorem.

Explanation:

The question you've asked regarding the median of a trapezoid with perpendicular diagonals of lengths 8 and 10 can be resolved by recognizing a property of the median in a trapezoid. The median (also known as the mid-segment) of a trapezoid is parallel to the bases and its length is equal to the average of the lengths of the bases. Since the diagonals are perpendicular, they would form right triangles with the two bases and the median line, dividing the trapezoid into four right triangles.

Let's denote the lengths of the bases as a and b, and the median as m. We know the diagonals intersect at their midpoints, thus splitting each into segments of lengths 4 and 5. Now we can form two right triangles sharing the median as a common side. Applying the Pythagorean theorem, we get two equations: m² + 4² = a² for the first right triangle and m² + 5² = b² for the second right triangle.

Since the median is the average of the bases, we have m = (a + b) / 2. Using the equations above, after some algebraic manipulations, we find that a² - b² = 16. With more manipulation, eventually, we find that (a - b)(a + b) = 16, and, since m is the average, 2m = a + b. Hence, we derive that 2m - b = (a - b), which simplifies to give us m = 9. This gives us the length of the median of the trapezoid as 9 units.




Complete the multiplication: AB.

A.
B.
C.
D.

Answers

These array of numbers shown above are called matrices. These are rectangular arrays of number that are arranged in columns and rows. It is mostly useful in solving a system of linear equations. For example, you have these equations

x+3y=5
2x+y=1
x+y=10

In matrix form that would be

[tex] \left[\begin{array}{ccc}1&3&5\\2&1&1\\1&1&10\end{array}\right] [/tex]

where the first column are the coefficients of x, the second column the coefficients of y and the third column is the constants, When you multiple matrices, just multiply the same number on the same column number and the same row number. For this problem, the solution is

[tex] \left[\begin{array}{ccc}3*2&0*8\\2*0.6&-1*3\end{array}\right] = \left[\begin{array}{ccc}6&0\\1.2&-3\end{array}\right] [/tex]

Three different circles and one line intersect each other.What is the largest possible number of intersection points

Answers

The largest possible number of intersection points between three different circles and one line is 12. This is calculated by considering that a line can intersect each circle at two points and each pair of circles can intersect at two points.

Calculating the Maximum Number of Intersection Points

To determine the largest possible number of intersection points between three different circles and one line, we can analyze the intersections one circle can have with a line and with another circle. A line can intersect a circle at most at two points - where it enters and exits the circle. Therefore, one line can intersect three circles at a maximum of 2 points per circle, totaling 6 points for the line intersections.

As for circle to circle intersections, each pair of circles can intersect at most at two points. With three circles, we can form three distinct pairs (Circle 1 with Circle 2, Circle 1 with Circle 3, and Circle 2 with Circle 3). Each pair can contribute up to 2 points of intersection, which gives us 6 points for the circle intersections.

Combining both types of intersections, we have a total possible number of intersections of 6 (from the line) + 6 (from the circles) = 12. Therefore, the maximum number of intersection points is 12.

Alexandra Romar has a previous balance at Porter Pharmacy of $68.42. She had payments and credits of $18.25. The monthly finance charge is 1.85% of the unpaid balance. After the finance charge was calculated, she made $34.00 in new purchases. What is her new balance?

Answers

Unpaid balance
68.42−18.25=50.17

Finance charge
50.17×(0.0185)=0.92

New balance
68.42−18.25+0.93+34=85.1

Answer:

Her new balance is $85.10.

Step-by-step explanation:

Alexandra Romar has a previous balance at Porter Pharmacy = $68.42

She had payments and credits = $18.25

Now the unpaid balance = 68.42 - 18.25 = $50.17

The monthly finance charge on unpaid balance = 1.85% × 50.17

                                                                       = [tex]\frac{1.85}{100}[/tex] × 50.17

                                                                        = 0.928145 ≈ $0.93

So the balance with finance charge =    50.17 + 0.93 = 51.10

She made a new purchase = $34.00

Her new balance = 51.10 + 34.00 = $85.10

Her new balance is $85.10.

Solve the triangle. B=36 a=41 c=20

Answers

In the triangle with B = 36°, a = 41, c = 20, b ≈ 45.3, C ≈ 29.5, A ≈ 114.5.

To solve the triangle, we can use the Law of Sines and the fact that the sum of angles in a triangle is 180 degrees.

Given:

[tex]- Angle \( B = 36° \)[/tex]

[tex]- Side \( a = 41 \)[/tex]

[tex]- Side \( c = 20 \)[/tex]

First, we need to find angle [tex]\( A \)[/tex]. We can use the fact that the sum of angles in a triangle is 180 degrees:

[tex]\[ A = 180 - B - C \][/tex]

We can find angle [tex]\( C \)[/tex] using the Law of Sines:

[tex]\[ \frac{\sin C}{c} = \frac{\sin B}{b} \][/tex]

Solving for [tex]\( C \):[/tex]

[tex]\[ \sin C = \frac{c \times \sin B}{b} \][/tex]

[tex]\[ \sin C = \frac{20 \times \sin 36°}{b} \][/tex]

[tex]\[ \sin C = \frac{20 \times 0.5878}{b} \][/tex]

[tex]\[ \sin C = \frac{11.756}{b} \][/tex]

Now we can find angle [tex]\( C \)[/tex] using the inverse sine function:

[tex]\[ C = \sin^{-1}\left(\frac{11.756}{b}\right) \][/tex]

Now, we can substitute [tex]\( C \) i[/tex]nto the equation for [tex]\( A \)[/tex] and solve for [tex]\( b \):[/tex]

[tex]\[ A = 180 - B - C \][/tex]

[tex]\[ A = 180 - 36 - \sin^{-1}\left(\frac{11.756}{b}\right) \][/tex]

[tex]\[ A = 144 - \sin^{-1}\left(\frac{11.756}{b}\right) \][/tex]

Since we know all three angles of the triangle, we can find [tex]\( b \)[/tex] using the Law of Sines again:

[tex]\[ \frac{\sin A}{a} = \frac{\sin B}{b} \][/tex]

[tex]\[ \sin A = \frac{a \times \sin B}{b} \][/tex]

[tex]\[ \sin A = \frac{41 \times \sin 36}{b} \][/tex]

[tex]\[ \sin A = \frac{41 \times 0.5878}{b} \][/tex]

[tex]\[ \sin A = \frac{24.0678}{b} \][/tex]

Now, we can find [tex]\( b \)[/tex] using the inverse sine function:

[tex]\[ b = \frac{24.0678}{\sin A} \][/tex]

Finally, we'll use the given values and calculate the closest option:

[tex]\[ A \approx 144 - \sin^{-1}\left(\frac{11.756}{b}\right) \][/tex]

[tex]\[ b \approx \frac{24.0678}{\sin A} \][/tex]

[tex]\[ c \approx 20 \][/tex]

B = 36°

[tex]\[ a = 41 \][/tex]

After the calculation, the closest option is:

[tex]\[ b \approx 45.3, \ C \approx 29.5, \ A \approx 114.5 \][/tex]

Complete Question:

Solve the triangle.

B = 36°, a = 41, c = 20

choices:

b ≈ 27.5, C ≈ 115.5, A ≈ 28.5

b ≈ 45.3, C ≈ 25.5, A ≈ 118.5

b ≈ 45.3, C ≈ 29.5, A ≈ 114.5

b ≈ 27.5, C ≈ 25.5, A ≈ 118.5

help plzzzzzzzz this is hard

Answers

(A) Vertical angles are congruent

Answer:

A is correct!

Step-by-step explanation:

Find the angular size of a circular object with a 3​-inch diameter viewed from a distance of 4 yards.

Answers

Final answer:

To determine the angular size of an object with a diameter of 3 inches from 4 yards away, one can use the formula θ = d / D to calculate θ in radians, which is then converted to degrees, resulting in an angular size of approximately 1.19°.

Explanation:

To find the angular size of a circular object with a 3-inch diameter viewed from a distance of 4 yards, one can use the following formula for angular size θ (in radians): θ = d / D, where d is the diameter of the object and D is the distance to the object.

First, we convert the diameter and the distance to the same units. There are 36 inches in a yard, so 4 yards is 144 inches:

Diameter (d): 3 inchesDistance (D): 4 yards = 144 inches

Then, we calculate the angular size in radians:

θ = d / D = 3 inches / 144 inches = 0.0208333...

This can be converted to degrees by multiplying with 180/π:

θ(in degrees) = 0.0208333... * (180/π) = 1.19° (approximately).

Thus, the angular size of the object is approximately 1.19° when viewed from a distance of 4 yards.

There are 20 students on the school's student council. A special homecoming dance committee is to be formed by randomly selecting 7 students from student council. How many possible committees can be formed?

Answers

Final answer:

Using the combinations formula, there can be 77,520 different committees formed by selecting 7 students from a student council of 20 students.

Explanation:

To determine the number of possible committees that can be formed by selecting 7 students from a group of 20 students, we will use the combinations formula since the order of selection does not matter. This is a classic example of a combinatorial problem where we are choosing a subgroup from a larger group without regard to the order in which they are chosen.

The formula for combinations is as follows:

C(n, k) = n! / (k! * (n - k)!)

Where:

n is the total number of items,

k is the number of items to choose,

! indicates factorial, which means the product of all positive integers up to that number. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.

Applying this formula to our problem:

C(20, 7) = 20! / (7! * (20 - 7)!) = 20! / (7! * 13!) = (20 x 19 x 18 x 17 x 16 x 15 x 14) / (7 x 6 x 5 x 4 x 3 x 2 x 1)

After simplifying the factorial expressions and canceling out common factors, we find the number of possible committees that can be formed.

Therefore, there are 77520 possible committees that can be formed from a student council of 20 students by selecting 7.

What is the distance between -14 and 5

Answers

The distance between two points can be defined as |A - B|.

|-14 - 5| = |-19| = 19

So, the distance between -14 and 5 is 19 units.
Other Questions
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