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3 years ago

The product of the square of x and seven. Write as an expression.

Mathematics

2 answers:

bogdanovich [222]3 years ago

7 0

Hello. How are you today? Is all well?

The expression written in word form would look a little like this:√x · 7

Hatshy [7]3 years ago

5 0

Answer:

7x^2

Step-by-step explanation:

Expression consists of variables and operators like +,- , * or \

then unknown variable is x

Product means the multiplication

quotient means the division

less represents subtraction and more represents addition

square of x is x^2

Product of square of x and 7 is $x^2 \cdot 7$

It can be written as 7x^2

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PLEASE HELP ME: the ratio of cars to trucks on a highway at any given time is 12 to 8. If there are always more than 105 cars on

andre [41]

Answer:

Step-by-step explanation:

First, set up the ratio of c:t, which is 12:8. Then set up your new ratio of c:t, which is 105:?. The way I find the easiest is to divide 105 by 12, which is 8.75, then multiply that by 8, which is 70. To check if it's right, just divide 12 by 8, and 105 by 70, and if they're the same number, you've got it right.

Ps. I'm guessing you meant to ask the minimum number of trucks, not cars.

5 0

2 years ago

A quadrilateral has its interior angles X, 47, 95, 82. Find<br>the value of x

Oksana_A [137]

Answer:

x=136

Step-by-step explanation:

To find the measure of the sum of the interior angles use the formula (n-2) times 180 where n is the number of sides.

A quadrilateral has 4 sides. (4-2) times 180. 2 times 180=360

The sum of the interior angles of a quadrilateral is 360.

x+47+95+82=360

x+ 224 = 360

x= 136

5 0

2 years ago

Jeffrey calculated the slope between two pairs of points. He found that the slope between -5, 6 and -3, 2 is -2. He also found t

Cerrena [4.2K]

Answer:

Jeffrey is correct

All of these points are on the same line because the slope between (-3,2) and( 0,-4), which are coordinates from each of the pairs above, is equal to -2

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

step 1

Find the slope between -5, 6 and -3, 2

substitute the values in the formula

$m=\frac{2-6}{-3+5}$

$m=\frac{-4}{2}=-2$

step 2

Find the slope between (-1, -2) and (0, -4)

substitute the values in the formula

$m=\frac{-4+2}{0+1}$

$m=\frac{-2}{1}=-2$

step 3

Find the slope between (-3, 2) and (0, -4)

substitute the values in the formula

$m=\frac{-4-2}{0+3}$

$m=\frac{-6}{3}=-2$

therefore

Jeffrey is correct

All of these points are on the same line because the slope between (-3,2) and( 0,-4), which are coordinates from each of the pairs above, is equal to -2

8 0

3 years ago

Read 2 more answers

Solve linear equation 2y+20=2-y. 3y+20=2

Fiesta28 [93]

Answer:

y = -6

Step-by-step explanation:

y is multiplied by 3 and 20 is added to the sum. We undo these operations in reverse order.

First we subtract 20 from both sides of the equation:

3y = -18

Then we divide both sides of the equation by 3 to undo the multiplication.

y = -18/3 = -6

The solution is y = -6.

3 0

2 years ago

Grayson has 3 music lessons each week. Each lesson is 45 minutes long. How many total hours will he spend in music lessons in a

Anna [14]

about 117 hours bc there are about 52 weeks in a year. And one week of 3 lessons is 2 (1/4)hrs. And 2(1/4) × 52 = 117 hrs

6 0

3 years ago