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3 years ago

6

Will give brainliest!

1 answer:

scZoUnD [109]3 years ago

8 0

Answer:

1/3

Step-by-step explanation:

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What number is 80% of 90?

Lerok [7]

The answer is 72

b/c 80% is equal to .80

so you do 90x.80

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3 years ago

Salina’s age is one-quarter the age of her aunt. If a represents her aunt’s age, which expression represents Salina’s age?

ch4aika [34]

Salina is 1/4 of age of unt
s=1/4 times a
s=a/4

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4 years ago

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A cylinder has a height of 19 centimeters and a radius of 6 centimeters. What is its volume?

Lunna [17]

Answer:

2147.76 cm³

Step-by-step explanation:

using the formula for volume

πr²h

3.14×6²×19

3 0

3 years ago

If EF - 3x - 11, FG = 4x-10, and EG - 28, find the values of x, EF, and FG. The drawing is not to scale.

Gnom [1K]

Answer:

Part 1) $x=7$

Part 2) $EF=10\ units$

Part 3) $FG=18\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

step 1

Find the value of x

we know that

$EG=EF+FG$ ---> by addition segment postulate

we have

$EG=28\ units\\EF=3x-11\\FG=4x-10$

substitute

$28=(3x-11)+(4x-10)$

solve for x

$28=7x-21$

$7x=28+21$

$7x=491$

$x=7$

step 2

Find the value of EF

$EF=(3x-11)$

substitute the value of x

$EF=3(7)-11=10\ units$

step 3

Find the value of FG

$FG=(4x-10)$

substitute the value of x

$FG=4(7)-10=18\ units$

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4 years ago

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RoseWind [281]

Answer:

2x + 4y = 12 and y = -1/2x + 3

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3 years ago

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