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ValentinkaMS [17]
3 years ago
6

Which line is perpendicular to the line 2x-3y=12

Mathematics
2 answers:
Alexxx [7]3 years ago
8 0

i would need to know the answer choices

KIM [24]3 years ago
6 0

Answer:

Step-by-step explanation:

In y = mx + b form, this equation is  y = 2/3x - 4

The slope is 2/3.

Perpendicular lines have slopes that are negative reciprocoals of each other, so, the slope is -3/2.

Any line with the slope of -3/2 is perpendicular to 2x-3y=12

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One quart of water-resistant paint covers 75 square feet. A swimming pool is in the shape of a rectangular prism with a length o
docker41 [41]

18.66 quarts of paint is needed to paint the swimming pool with two coats of paint

<em><u>Solution:</u></em>

Given that,

<em><u>A swimming pool is in the shape of a rectangular prism</u></em>

Length = 20 feet

Width = 10 feet

Height = 5 feet

<em><u>Find the surface area of prism</u></em>

A=2(wl+hl+hw)

Where, "l" is the length and "w" is the width and "h" is the height

A = 2(10 \times 20 + 5 \times 20 + 5 \times 10)\\\\A = 2(200+100+50)\\\\A = 2 \times 350\\\\A = 700

Thus surface area area of prism is 700 square feet

Given that,

One quart of water-resistant paint covers 75 square feet

Therefore,

1 quart paint = 75 square feet

x quart = 700 square feet

This forms a proportion

1 \times 700 = 75 \times x\\\\x = \frac{700}{75}\\\\x = 9.33

Thus 9.33 quarts of paint is needed to cover 700 square feet

How many quarts should you buy to paint the swimming pool with two coats of paint

For two coats of paint we need = 9.33 + 9.33 = 18.66 quarts of paint

4 0
3 years ago
Can someone please help me out thankss
Tamiku [17]

Answer:

3x +5x =90 +30

8x =120

x =15

6 0
3 years ago
Find the area of the triangle with A= 60° b=11 feet and c=8 feet
Rudik [331]

Answer:

5280

Step-by-step explanation:

if u times them all up first u get 60 times 11 witch = 660 and then i times 660 and 8 to get 5280

5 0
2 years ago
In ABC, Point G is the circumcenter of the of the triangle. What is the measure of EC? ​
olga55 [171]

Answer:

  EC = 15

Step-by-step explanation:

It appears that D, E, and F are the midpoints of their respective line segments (chords of the circumcircle). Hence EB = EC = 15.

3 0
3 years ago
What is 7.0055 as a mixed number
Luba_88 [7]
7 and 55/10000 which simplifies to 7 and 11/2000
4 0
3 years ago
Read 2 more answers
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