Multiply: (3x + 7)(5x2 − 3x + 6)

Answer:

Step-by-step explanation:

I am assuming this is meant to say 9/10 and 36/40.

If so 9/10=36/40.

Because 10 x 4 = 40

and 9 x 4 = 36.

Hope this helps! :)

Answer:

∠DOF = 49°

Step-by-step explanation:

note that ∠DOF = ∠DOE + ∠EOF = 27° + 22° = 49°

Answer:depending on what type of equation but ussuming in standard form it is Ax+By+c

Step-by-step explanation:

To rearrange an equation, balance operations on both sides to isolate a specific variable, maintain units, use calculators correctly, and always check the solution by substituting back into the original equation.

Rearranging an equation involves moving terms from one side of the equation to the other to isolate a specific variable. This process is guided by the principle of balance, which means whatever operations you do to one side of the equation, you must do to the other side to keep the equation balanced. For instance, if you need to move a constant to the opposite side, you would add or subtract it from both sides.

Steps to Rearrange an Equation

For example, while dealing with chemical equations, you'll often need to rearrange the formulas for reactants and products to balance the equation.

Chemical Equation Rearrangement Steps

Answer:

62 cm  

Step-by-step explanation:

P = 2(5x - 2) + 2(3x + 1)         Insert the value of x

P = 2(5×4 - 2) + 2(3×4 + 1)

P = 2(20 - 2) + 2(12 + 1)

P = 2×18 + 2×13

P = 36 +26

P = 62 cm

Zohar must cut 62 cm with the scissors.

Answer:

4500

Step-by-step explanation:

you just need to see where the line stops at the price and drag your finger across to see how many people :}

Answer:

$4500

Step-by-step explanation:

Bellas line is the purple colored line.  She wants a banquet for 150 people.  That is along the x axis or across the bottom.  Go up from 150 until you hit the purple line and then go left until you hit the y axis.  That is the cost of a banquet for 150 people for Bella

Answer:

50

Step-by-step explanation:

12*5=60---------------1 hour

5*2=10

10*5=50

In 2 hours 50 City blocks will be covered.

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

Given:

Five city blocks covered = 12 minutes

So, in one minutes the blocks covered = 5/12

Then, to walk 2 hours the number of block covered

= 120 x 5 /12

= 5 x  10

= 50 blocks

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Answer:

y=3x+26

Step-by-step explanation:

Make sure they have the same slope.

Answer:

i think your answer is 90

Answer: The scale factor is 1.3  .

Step-by-step explanation:

Given: The first hexagon is dilated to form the second hexagon.

The side length of first hexagon=5 units.

The side-length of second hexagon= 6.25 units

When a shape having measure x is dilated by using a scalar factor of k, then the side measure (y) of the image is given by:-

[tex]y=kx[/tex]

Substitute, y=6.5 and x=5  to find the value of k we get

[tex]6.5=5k\\\Rightarrow\ k=\frac{6.5}{5}=1.3[/tex]

Hence, the scale factor is 1.3

Answer:

>

Step-by-step explanation:

7 x 60 = 420

So...

420 > 400

(420 is greater than 400)

Answer:

420>400

Step-by-step explanation:

7×60 is it <,> or = 400

First we multiply the left side

7*6 = 42  so

7*60 = 420

420>400

Answer:

(x - 1)(3x - 5)

Step-by-step explanation:

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x-term.

product = 3 × 5 = 15 and sum = - 8

The factors are - 3 and - 5

use these factors to split the middle term

3x² - 3x - 5x + 5 ( factor the first/second and third/fourth terms )

= 3x(x - 1) - 5(x - 1) ( take out the common factor (x - 1) )

= (x - 1)(3x - 5)

Answer:

(x - 1)(3x - 5)

Answer:

8 1/2

Step-by-step explanation:

Given:

Looks like you already know what PEMDAS is.

Substitute the values of m and n into the underlined equation-- make sure you include parentheses around the numbers you substitute as this helps you easily see what you are doing.

(2 1/2)^2 + ((4 1/4) - 2)

Start inside the parentheses and subtract 2 from 4 1/4, then rewrite your equation.

(2 1/2)^2 + (2 1/4)

Next evaluate the exponent.

(6 1/4) + (2 1/4)

Since the fractions already have common denominators, you can add the whole numbers and the fractions together.

8 2/4

2/4 can be simplified by dividing both sides by 2/2.

8 1/2 is the final, fully simplified answer.

Answer:

x = 2.5

Step-by-step explanation:

Multiply 2.5 to remove the denominator

x/2.5 * 2.5 = 1

Multiply 2.5 on the other side.

2.5 * 1

x = 2.5

Answer:

x = 2.5

Step-by-step explanation:

x/2.5=1

To solve this equation, multiply both sides by 2.5

x/2.5* 2.5=1 * 2.5

x = 2.5

Answer:

43.25

Step-by-step explanation:

You answer is going to be 43.25.

Thank you

Answer:

4 = y

Step-by-step explanation:

2y+16=4y+8

The first step is to subtract 2y from each side.

2y-2y+16=4y-2y+8

16 = 2y+8

Now subtract 8 from each side

16-8 = 2y+8-8

8 = 2y

Now divide each side by 2

8/2 = 2y/2

4 = y

The formula for the side length of 3 inches is P = 5s; 15 inches. So option (a) is correct.

To find the perimeter of a regular pentagon, we can use the formula:  P = 5s , where  P  is the perimeter and  s  is the length of a side.

Let's evaluate this formula for a side length of 3 inches:

P = 5s

P = 5 x 3

P = 15

So, the perimeter of the pentagon with a side length of 3 inches is 15 inches.

The correct option is (a) ( P = 5s; 15)  inches.

To find the perimeter of a regular pentagon, multiply the number of sides (5) by the length of one side.

To find the formula for the perimeter of a regular pentagon in terms of the length of a side, let's first understand the properties of a regular pentagon. A regular pentagon is a polygon with five equal sides and five equal angles.

The perimeter of any polygon is the sum of the lengths of all its sides. Since a regular pentagon has five equal sides, we can express its perimeter as the product of the number of sides (5) and the length of one side (s). Therefore, the formula for the perimeter [tex](\( P \)) of a regular pentagon in terms of the length of a side (\( s \)) is \( P = 5s \).[/tex]

Now, to evaluate the formula for a side length of 3 inches, we substitute  [tex]\( s = 3 \) into the formula:[/tex]

[tex]\[ P = 5 \times 3 = 15 \text{ inches} \][/tex]

This means that the perimeter of the regular pentagon with a side length of 3 inches is 15 inches.

Therefore, the correct answer is option a: [tex]\( P = 5s; 15 \text{ inches} \).[/tex]

This solution provides a clear explanation of how to derive the formula for the perimeter of a regular pentagon and how to evaluate it for a specific side length.

Answer:

6 bowls

Step-by-step explanation:

10/1 • 3/5

That would equal 30/5 which simplified, is 6

The equation y = 5(6.8)x represents an exponential growth relationship, where an increase in the variable 'x' leads to a proportional increase in the dependent variable 'y'.

The equation y = 5(6.8)x is an expression of exponential growth, not decay. In this type of equation, known as an exponential relationship, a change in the independent variable x produces a proportional change in the dependent variable y. The factor 6.8>1 which means as x increases, y increases at a faster rate, indicating growth.

For example, this form of equation is often used to describe population growth such as bacteria under ideal conditions. Each generation of bacteria reproduces, increasing the growth rate as the bacteria population rises. This growth-based relationship can be visualized using a graph where the growth rate would be represented as a rising curve.

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Answer:

the answer is C because the slope of the line is what you need to look for with these kinds of problems. it could be any point on the line, but answer C is the only one of its kind.

Step-by-step explanation:

The ordered pair is the solution to the system is (5,3).

A pair of numbers that are written in a particular order, enclosed in brackets are known as ordered pairs.

Malique solved the system of equations below;

[tex]\rm 2x+4y=22\\\\6x+2y=36[/tex]

Reduce the greatest common factor on both sides of the equation

[tex]\rm x+2y=11\\\\3x+y=18[/tex]

From equation 1

[tex]\rm x+2y=11\\\\x=11-2y[/tex]

Substitute the value of x in the equation 2

[tex]\rm 3x+y=18\\\\3(11-2y)+y=18\\\\33-6y+y=18\\\\-5y=18-33\\\\-5y=-15\\\\5y=15\\\\y=\dfrac{15}{5}\\\\y=3[/tex]

Substitute the value of y in the equation 1

[tex]\rm x+2y=11\\\\x + 2(3)=11\\\\x+6=11\\\\x=11-6\\\\x=5[/tex]

Hence, the ordered pair is the solution to the system is (5,3).

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Answer:

x = 55

Step-by-step explanation:

the sum of the 3 angles in a triangle = 180°

the sum of the 4 angles in a quadrilateral = 360°

the angles to the left and above 130° angle = 50°

Since 130° and 50° form a straight angle and are supplementary

the third angle in the left triangle = 180° - (50 + 30)° = 100°

thus the angle to the right = 180° - 100° = 80°  ( straight angle )

the third angle in the upper triangle = 180° - (50 + 45)° = 85°

the angle below it = 180° - 85° = 95° ( straight angle )

We now have 3 angles inside the quadrilateral of 130°, 80° and 95°

x = 360° - (130 + 80 + 95)° = 55

Answer:

[tex]\frac{45y}{56x}[/tex]

Step-by-step explanation:

[tex]\frac{5}{-7x} times \frac{-9y}{8}[/tex]

When we multiply two fractions we multiply numerator with numerator and denominator with denominator

5 times -9y is -45y

Then -7x  times 8 is -56x

So the fraction becomes [tex]\frac{-45y}{-56x}[/tex]

we have negative at the top and bottom so it becomes positive

[tex]\frac{45y}{56x}[/tex]

We cannot simplify further

Answer:

D) {12, 7, 6, 8, 9, 9, 7, 11, 14}

Step-by-step explanation:

The box plot for Set D (below) has  

maximum    = 14

3rd quartile = 11.5

IQR              =  4.5

=====

Your box plot has

maximum    = 12

3rd quartile = 10

IQR              =  3

=====

Sets A, B, and C all fit your box plot.

Answer:

D) {12, 7, 6, 8, 9, 9, 7, 11, 14}

Step-by-step explanation:

Write the data in numerical order. Find the first quartile, the median, the third quartile, the minimum (smallest value) and the maximum (largest value).

{6, 7, 7, 8, 9, 9, 11, 12, 14}

Thus,

low -- 6

1st quartile -- 7

median -- 9

3rd quartile -- 11.5

high -- 14

Therefore, this data does not match the graph.

Answer:

Option A is correct.

An inequality:  [tex]7+5>6+2[/tex]

Step-by-step explanation:

Given the sentence: Seven plus five is greater than six plus two.

"Seven" means 7

"Plus" means +

"Five" means 5

"Greater than" means >

"six" means 6

"two" means 2

Then, the inequality for the given sentences is;  

[tex]7+5>6+2[/tex]

Answer:

  exponential growth

Step-by-step explanation:

The function type is identified by where the variables are, and what their exponents are.

When the variable is in the exponent of an expression, the function is called an exponential function.

When the base of an exponential function has a magnitude greater than 1, the function is a growth function. When it is less than 1, the function is a decay function.

Here, the base is 4, which is greater than 1.

The function is an exponential growth function.

Answer:

the value of the home after 12 years =$275,165.60

Step-by-step explanation:

To find value of appreciation after 12 years

We apply exponential growth formula

[tex]y=a(1+r)^x[/tex]

Where a represents the initial amount (purchased amount)

a= 182,100

r = rate of interest ( appreciation percentage) = 3.5% = 0.035

x  represents the time period= 12 years

Plug in all the values

[tex]y=a(1+r)^x[/tex]

[tex]y=182100(1+0.035)^12[/tex]

y= 275165.6025027724  

y=$275165.60

Answer:

(x + 2)(x² - 2x + 4)

Step-by-step explanation:

x³ + 8 ← is a sum of cubes, which factors in general as

• a³ + b³ = (a + b)(a² - ab + b²)

x³ = (x)³ ⇒ a = x and 8 = 2³ ⇒ b = 2

x³ + 8 = (x + 2)(x² - 2x + 4) ← in factored form

Answer:

[tex]x^{3} +8=(x+2)(x^{2} -2x+4)[/tex]

Step-by-step explanation:

The binomial can be factored by the binomial form by trinomial. This binomial is a sum of cubes, whose general form presents the following result.

[tex](x^{3} +y^{3} )=(x+y)(x^{2} -xy+y^{2} )[/tex]

Substituting the values ​​of x and y we will have

[tex]x^{3} =x^{3} ;     y^{3} =8[/tex]

Obtaining the cubic roots of each variable

[tex]x=x; y=2[/tex]

So

[tex]x^{3} +8=(x+2)(x^{2} -2x+4)[/tex]

Answer:

h = 1558.8

Step-by-step explanation:

Let x be the distance from the vertex of the 30 degree angle to the base of Blue mountain.

Tan (30) = h/x                       Multiply both sides by x.

x * Tan(30) = h

Tan(25) = h/(x + 200)           Multiply x + 200 on both sides.

(x + 200) * Tan(25) = h

Now you have 2 equations both equal to h. The two sides can be equated to each other.

x*tan(30)  = (x + h) * Tan(25)         Divide both sides by tan(25)

x*tan(30)/tan(25) = x + 200          Find Tan(30)/Tan(25)

Tan30 / tan(25) = 1.23813 so

1.23813 x = x  + 200                      Subtract x from both sides.

0.23813x = 200                             Divide both sides by 0.23813

x = 200/0.23813

x = 839.99

================

That is not the answer you have been asked for. What you need is h.

Tan(30) = x / h                                Multiply both sides by h

h*tan(30) = x                                   Divide both sides by tan(30)

h = x/tan(30)

h = 839.99/tan(30)                        Tan 30 = 0.57735

h = 839.99/0.57735

h = 1558.8