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Andrej [43]
3 years ago
12

1. A square piece of carpet has sides that are 5 feet long. What is the carpet's perimeter?​

Mathematics
1 answer:
vlabodo [156]3 years ago
4 0

Answer:

25

Step-by-step explanation:

5 times 5

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Evaluate the expression, using the given value of the variable. z ÷ 3 – 5z + 4(z – 2) when z = 12
Lera25 [3.4K]
= 12/3 -5*12+4(12-2) = 4-60+40 = -16, so a

4 0
3 years ago
Read 2 more answers
What's the distance between (-2, 5) and (8, 5)
Wewaii [24]

Answer:

10

Explanation:

The distance between two points of coordinates (x1, y1) and (x2, y2) can be calculated as:

\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}

So, the distance between (-2, 5) and (8, 5) is equal to:

\begin{gathered} \sqrt[]{(8-(-2))^2+(5-5)^2} \\ \sqrt[]{(8+2)^2+(0_{})^2} \\ \sqrt[]{(10)^2+0} \\ \sqrt[]{100} \\ 10 \end{gathered}

Then, the distance between (-2, 5) and (8, 5) is 10.

7 0
1 year ago
Directed line segment PT has endpoints whose
crimeas [40]

Answer:

(2 , 5)

Step-by-step explanation:

point (x,y) that divides the segment   PI in the ratio 2 to 1

PD=4 - (-2) = 6     PE/ED=2/1     PE=2ED      PE+ED=6    3ED=6    ED=2   PE=4

coordinate of E (2,1)   .... 2 is x coordinate of E

DI=7-1=6    DF/FI=2/1     DF=4

coordinate of F (4,5)   .... .... 5 is y coordinate of E

CF // PD            PC/CI=DF/FI=2/1

C (2,5)

4 0
3 years ago
Evaluate the following expression. 5^-3
Ulleksa [173]
5^-3 is 1/125

The negative in the exponent makes it so there is a 1 over the problem if there was no negative. When you have a negative in the exponent, the answer will be the reciprocal (opposite) of the question with no negative.
For example,

9^2 = 81

9^-2 = 1/81

6 0
3 years ago
What are the coordinates of the y-intercept of the line who's equation is 12x + 13y =8???
Ierofanga [76]

Answer:

y-intercept = (0,  \frac{8}{13} ).

Step-by-step explanation:

Given the linear equation in standard form, 12x + 13y = 8:

We must transform this equation into slope-intercept form to make it easier to determine the coordinates of the y-intercept.

12x + 13y = 8

Subtract 12x from both sides:

12x + 13y - 12x = - 12x + 8

13y = - 12x + 8

Next, divide both sides of the equation by 13 to solve for y:

\frac{13y}{13} = \frac{-12x + 8}{13}

y = \frac{-12x + 8}{13} or  y = -\frac{12}{13} x + \frac{8}{13}

Next, to determine the y-intercept, we must set x = 0 (because the y-intercept is  the point where the graph of the linear equation crosses the y-axis).

Let x = 0:

y = -\frac{12}{13} x + \frac{8}{13}

y = -\frac{12}{13} (0) + \frac{8}{13}

y = \frac{8}{13}

Therefore, the value of y when x = 0 is \frac{8}{13} . This is the y-intercept, and its coordinate is (0,  \frac{8}{13} ).

6 0
3 years ago
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