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3 years ago

Heyyy ME again. Need help with this problem.

Mathematics

2 answers:

Oliga [24]3 years ago

4 0

Answer:

y=4

Step-by-step explanation:

1.- subtract 1/4 y from both sides

2.- add 12 to both sides

3.-divide both sides by 2

serious [3.7K]3 years ago

4 0

Answer:

y= 4

Step-by-step explanation:

first change 9/4 and 1/4 in decimals

9/4 = 2.25

1/4 = .25

2.25y - 12 = .25y - 4

Then subtract .25y on both sides. Your left with:

2y - 12 = -4

Add 12 on both sides. Your left with:

2y = 8

Divide 2 on both sides

y= 4

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OLga [1]

Answer: $\pi 36r^{2}$

Step-by-step explanation:

ALRIGHT ARE YOU READY FOR EPIC MATH TIME?

because i know i am. so lets get this bread.

WATCH: we have $\pi (3r)2(6r)$

interesting... that first character is called pi. maybe i should have said, "lets get this pi".

so now lets do some algebra. i am going to work from right to left. lets multiply 6r by 2. that gives us 12r. now we have... $\pi (3r)(12r)$

WE ARE MAKING EPIC PROGRESS, AREN'T WE?

lets multiply 12r by 3r. then we have....

$\pi 36r^{2}$

notice how i multiplied 12 by 3 and also r by r (which gives 36 and $r^{2}$ respectively)

so your simplified expression is: $\pi 36r^{2}$

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2 years ago

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olya-2409 [2.1K]

Answer:

x = y²

Step-by-step explanation:

Given

x = $e^{2t}$ and y = $e^{t}$

Note that

x = $e^{2t}$ = $e^{t}$ × $e^{t}$ = y²

Thus x = y²

5 0

3 years ago

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kari74 [83]

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Step-by-step explanation:

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