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jarptica [38.1K]
2 years ago
12

4/5 divided by 7/15 pls help

Mathematics
2 answers:
Burka [1]2 years ago
7 0

Answer:

12/7

Step-by-step explanation:

Bad White [126]2 years ago
6 0

Answer:

12/7

Step-by-step explanation:

4/5 ÷ 7/15

Keep Change Flip

4/5 × 15/7

Simplify

4/1 × 3/7

Multiply

12/7


I hope this helped and please mark me as brainliest!

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2 years ago
Solve h = −16t2 + 36t + 4.
kvasek [131]
I can do each of the things I asked above.
So, let's change this into vertex form:
h=-16t^2+36t+4
h=(-16t^2+36t)+4
h=-16(t^2-2.25t)+4
h=-16(t^2-2.25t+1.27-1.27)+4
h=-16(t^2-2.25t+1.27)+20.32+4
h=-16(t-1.125)^2+24.32
The vertex is at (1.125,24.32)
<span>Answers may vary due to rounding

</span>Factored Form:
h = -16t^2 + 36t + 4
h = -4\left(4t^2-9t-1\right)

Quadratic Formula:
x =  \frac{-b +/- \sqrt{b^2-4(a)(c)}}{2a}
<span>h = -16t^2 + 36t + 4
</span>a = -16 b = 36 c = 4
h = \frac{-(36) +/- \sqrt{(36)^2-4(-16)(4)}}{2(-16)}
h = \frac{-36 +/- \sqrt{1552}}{-32}
h = ≈-0.11
h = ≈2.36

5 0
3 years ago
I NEED THIS QUICK PLEASE ILL MARK YOUR BRAINLY
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Answer:

75 & 21

Check:

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Correct!

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