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nikitadnepr [17]
3 years ago
5

How do you figure this out? I am having a hard time. The variables x and y are related to proportionally. When x = 8, y = 20. Fi

nd y when x = 80.
When x = 80, y
Mathematics
1 answer:
kvv77 [185]3 years ago
5 0

Answer:

200

Step-by-step explanation:

(80×20)/8

y is equal to 200

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BartSMP [9]

Answer:

-20.5

Step-by-step explanation:

Using a basic calculator, you divide 10.25 by -.5 which easily gives -20.5

5 0
2 years ago
Find the area of this figure 15ft 10ft 10ft 5
miskamm [114]

Answer:

150 feet2 50 feet I hope this helps!

Step-by-step explanation:

7 0
3 years ago
This is converting to polar form, I need help and the answer too.
Mila [183]

Answer:

2 cis (7/6 pi)

Step-by-step explanation:

r = sqrt( a^2 + b^2)

r = sqrt (-sqrt(3) )^2 + (-1)^2)

   = sqrt(3 +1)

    = sqrt(4)

    = 2

theta  = arctan (b/a)

theta = arctan (-1/-sqrt(3))

theta = 30

but this is in the third quardrant  -a and -b

so add 180

theta = 210 degrees

convert this to radians

210 * pi/180 = 210/180 * pi = 21/18 * pi = 7/6 * pi


r cis (theta)

2 cis (7/6 pi)

7 0
3 years ago
Find the slope to Y = 5/2x-3
son4ous [18]

Answer:

slope = 5/2

Step-by-step explanation:

This equation is written in slope intercept form

y = mx+b where m is the slope and b is the y intercept

y = 5/2x -3

The slope is 5/2 and the y intercept is -3

5 0
3 years ago
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EASY FOR PEOPLE THAT KNOW HOW TO DO MATH, HELP NEEDED
SIZIF [17.4K]

Answer:

1 and 5/24 gallon left

Step-by-step explanation:

https://www.slader.com/discussion/question/mark-wants-to-paint-a-mural-he-has-113-gallons-of-yellow-paint-114-gallons-of-green-paint-and-78-g-2/

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