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3 years ago

5

Sam needs enough wallpaper to cover an area that was 900 square inches . How many inches long of the wallpaper to the roll does

Sam need to purchase

1 answer:

tigry1 [53]3 years ago

4 0

Sam will need 30 rolls of 30 inches of paper

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A triangle with the coordinates X(3, 2), Y(5, -1), and Z(-2, 3) is reflected across both the x- and y-axes. The coordinates afte

nata0808 [166]

Answer:

The coordinates of the reflected triangle are $X'(x,y) = (-3,-2)$ , $Y' (x,y) = (-5,1)$ and $Z'(x,y) = (2,-3)$ .

Step-by-step explanation:

Let be a point $(a,b)\in\mathbb{R}^{2}$ , reflections across x- and y-axes are represented by the following operations:

x-Axis reflection:

$d = d'$

$b - 0 = 0 - b'$

$b' = -b$

y-Axis reflection:

$d = d'$

$a - 0 = 0 - a'$

$a' = -a$

If we know that $X (x,y) = (3,2)$ , $Y(x,y) = (5,-1)$ and $Z (x,y) = (-2, 3)$ , the coordinates after both reflections are, respectively:

$X'(x,y) = (-3,-2)$

$Y' (x,y) = (-5,1)$

$Z'(x,y) = (2,-3)$

The coordinates of the reflected triangle are $X'(x,y) = (-3,-2)$ , $Y' (x,y) = (-5,1)$ and $Z'(x,y) = (2,-3)$ .

8 0

3 years ago

Find the missing length of the triangle.<br> 10 in.<br> 16<br> 26 in.

Yanka [14]

Answer:

24

Step-by-step explanation:

26x26=676

10x10=100

676/100=576

The square root of 576 is 24.

8 0

3 years ago

Help help math math math

Alborosie

Answer:

2/15

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Graph the line using a point and a slope. Write the equation of each line. A line that passes through the point (0, –3) and para

kiruha [24]

Y + 3 = 1.2(x - 0)

y + 3 = 1.2x - 0

y = 1.2x - 3

5 0

3 years ago

OMG PLEASE Help me !!!! ILL GIVE YOU BRAINLIEST !!! Explain in order to get it

Doss [256]

Answer:

I'm not sure but I believe the correct answer is line L2.

Step-by-step explanation:

It seems to be closer to more points than the other lines.

If it is not L2, it must be L3.

4 0

3 years ago