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3 years ago

if the cost of the wallpaper was $771.12 , what was the cost , in dollar , of the wallpaper per square foot

Mathematics

1 answer:

Stella [2.4K]3 years ago

7 0

Answer:

$0.72

Step-by-step explanation:

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What is the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)?

Nastasia [14]

Answer:

The equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

Step-by-step explanation:

We need to find equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)

We need a line parallel to x=-2 or x+2=0 it should be of form x+k=0

We need to find k, by putting value of x=-5 as given in question the point(-5,4)

-5+k=0

k=5

So, the equation of line will be found by putting k=5:

x+k=0

x+5=0

x=-5

So, the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

8 0

3 years ago

The density of the American white oak tree is 752 kilograms per cubic meter. If the trunk of an American white oak tree has a ci

iVinArrow [24]

Here I hope this helps you out

8 0

3 years ago

Read 2 more answers

The length of CD is 12 units C’D’ is the image of CD under a dilation with a scale factor of n.Which of these are true?

Korvikt [17]

Answer: FIrst option, Fourth option and Fifth option.

Step-by-step explanation:

First it is important to know the definition of "Dilation".

A Dilation is defined as a transformation in which the Image (which is the figure obtained after the transformation) and the Pre-Image (this is the original figure, before the transformations) have the same shape, but their sizes are different.

If the length of CD is dilated with a scale factor of "n" and it is centered at the origin, the length C'D' will be:

$C'D'=nCD=(n)(12\ units)$

Therefore, knowing this, you can determine that:

1. If $n=\frac{3}{2}$ , you get:

$C'D'=(\frac{3}{2})(12\ units)=18\ units$

2. If $n=4$ , then the length of C'D' is:

$C'D'=(4)(12\ units)=48\ units$

3. If $n=8$ , then:

$C'D'=(8)(12\ units)=96\ units$

4. If $n=2$ , then, you get that the lenght of C'D' is:

$C'D'=(2)(12\ units)=24\ units$

5. If $n=\frac{3}{4}$ , the length of C'D' is the following:

$C'D'=(\frac{3}{4})(12\ units)=9\ units$

8 0

3 years ago

Help me please. need quickly. What is the value of Z

larisa86 [58]

Answer:

z = 6

Step-by-step explanation:

$8z-36=2z\\6z-36=0\\6z=36\\z=6$

8 0

3 years ago

What is the measure of the vertex angle of an isosceles triangle if one of its base angle measures 34° and it’s congruent sides

KIM [24]

Let the vertex angle be x.

Base angles in the isosceles triangle are congruent.

Let the base angles be α=34°

Total sum of the inner angles in the triangle is 180°.

We can make equation

2α+x=180° => x=180-2α=180-68=112

The measure of the vertex angle is 112°

Good luck!!!

4 0

3 years ago

if the cost of the wallpaper was $771.12 , what was the cost , in dollar , of the wallpaper per square foot​

if the cost of the wallpaper was $771.12 , what was the cost , in dollar , of the wallpaper per square foot