3 years ago

Which ratio is equivalent to 4:5? 10/15, 4/10, 16/20, 15/8

Mathematics

1 answer:

Yuliya22 [10]3 years ago

8 0

4:5 is the same as 4/5, which is equivalent to 16/20

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4 years ago

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Find the volume of a right circular cone that has a height of 17.7 cm and a base with a diameter of 15.8 cm. Round your answer t

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Answer:

$1156.8cm^3$

Step-by-step explanation:

The volume of a cone is given as:

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4 years ago

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ivann1987 [24]

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3 years ago

2x + 4y =450 4x + 2y = 420

masya89 [10]

2x+4y=450

2x=450-4y

x=450-4y÷2----- equation 1

4x+2y=420

4x=420-2y

x=420-2y÷4----- equation 2

putting the value of x in equation 1

x=450-4y÷2

420-2y÷4=450-4y÷2

2(420-2y)=4(450-4y)

840-4y=1800-16y

840-1800=-16y-4y

-960= -12y

y=80

putting the value of y in equation1

2x+4y=450

2x+4×80=450

2x+320=450

2x=450-320

2x=130

x=130÷2

x=65

<h2> the value of x is 65 and y is 80</h2>

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3 years ago