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Wewaii [24]
3 years ago
7

Which is an equation of a direct proportion?

Mathematics
2 answers:
serious [3.7K]3 years ago
6 0
I believe C is the right answer
Gwar [14]3 years ago
3 0

Answer:

d

Step-by-step explanation:

idk i just got the answer right and i guessed

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What is the length of cloth needed to make 24 shirts if each shirt is made from .75 yards of material?
Jlenok [28]

Answer:

18

Step-by-step explanation:

24*0.74 = 18

6 0
3 years ago
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What is the volume of the sphere shown below?
Nina [5.8K]

Answer:

Step-by-step explanation:

r = 12

V = 4*pi * r^3 / 3

V = 4 * 3.14 * 12^3 /3

V = 4 * 3.14 * 1728 / 3

V = 4 * 5425.92 /3

V = 21703.68/3

V = 7234.56

None of the answers look correct.

8 0
3 years ago
Thomas took 3h to paint a room. Brian could paint the same room in 6h. How long would it take for both of them to finish paintin
kaheart [24]

Answer:

2 hours

Step-by-step explanation:

If Thomas can paint 1/3 = 2/6 of the room in a hour and Brian can paint 1/6 of the room in an hour. Which means in an hour they can collectively paint 3/6 = 1/2 of the room. Now you need to find how long it would take then to paint 2/2 of the room. Knowing that 1/2+1/2 = 2/2, it would take them 2 hours to paint the room together

7 0
2 years ago
What is the set of all solutions to the equation \sqrt{x + 2}= {-x} x+2 ​ =−xsquare root of, x, plus, 2, end square root, equals
NARA [144]

Answer:

x = 2 or x = -1

Step-by-step explanation:

Given

\sqrt{x + 2}= {-x}

Required

Find the possible values fo x

\sqrt{x + 2}= {-x}

Square both sides

( \sqrt{x + 2})^2= ({-x})^2

x + 2 = x^2

Equate to 0

x^2 - x - 2 = 0

Expand

x^2 + x -2x - 2 = 0

Factorize:

x(x + 1) - 2(x + 1) = 0

(x -2)(x +1) = 0

Split:

x - 2 = 0 or x + 1 = 0

x = 2 + 0 or x = 0-1

x = 2 or x = -1

3 0
3 years ago
Help please!!!!!!!!!!!!!!!!!!!!
Verizon [17]

The answer would most likely be 45

6 0
3 years ago
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