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Greeley [361]
3 years ago
15

The width of a rectangle is 8 inches more than the length. The perimeter is 60. Find the length and width of the rectangle

Mathematics
1 answer:
Lynna [10]3 years ago
8 0
Perimeter is 2L+2W so we can say 2L+2W=60

The width is 8 inches more than the length so W=L+8.

Substitute our expression for W into the equation so all the terms are the same
2L + 2(L+8)=60
2L+2L+16=60
4L+16=60
4L=44
Length=11 inches
Width= 11+8 = 19 inches

We can prove this answer is right by doing 11 + 11 + 19 + 19 which equals 60
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The length and width of a rectangle are in a 7:2 ratio. Find the width of the perimeter is 72.
scoray [572]
<span>length = 7x
</span><span>width = 2x

2(7x + 2x) = 72
7x + 2x = 72/2
9x = 36
x = 36/9
x = 4
</span>
width = 2x = 2 * 4 = 8 units<span>


</span>
7 0
3 years ago
Write the equation of a line that is perpendicular to y = 5 and that passes through the point (-7,-5).
Alik [6]

Answer:  x = -7

Step-by-step explanation:

x = -7 will be a vertical line passing through all y values, and perpendicular to y = 5

The attached graph shows the lines and the point.

7 0
3 years ago
Circle A has center of (4, 5), and a radius of 3 and circle B has a center of (1, 7), and a radius of 9. What steps will help sh
ankoles [38]

Answer:

Each cirlcle is defined by its radius and pie.

Step-by-step explanation:

If you want to rotate and or reflect any shape split yoiur graph into quarters just to make it easyer, fold the image upon its self dependiing on oppisite location of the previous shape.

5 0
3 years ago
15. In AABC if mZA is thirteen less than mzC and mZB is eleven less than four times m
vlabodo [156]

Answer:

m\angle A=21°

m\angle B=125°

m\angle C=34°

Step-by-step explanation:

Let the measure of angle C be x°.

Given:

In triangle ΔABC,

m\angle A is thirteen less than m\angle C and m\angle B is eleven less than four times m\angle C. This gives,

m\angle A = x-13

m\angle B=4x-11

Also, m\angle C=x

Now, for a triangle, the sum of all its interior angles is equal to 180°.

Therefore, m\angle A + m\angle B + m\angle C=180

Plug in all the values and solve for x. This gives,

x-13+4x-11+x=180\\6x-24=180\\6x=180+24\\6x=204\\x=\frac{204}{6}=34

Therefore, measure of angle C is 34°.

Measure of angle A is, m\angle A=x-13=34-13=21°.

Measure of angle B is, m\angle B=4x-11=4(34)-11=136-11=125°.

8 0
3 years ago
Please help me. Dont judge.
tia_tia [17]
It would be A because u need to add 5
6 0
2 years ago
Read 2 more answers
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