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abruzzese [7]
3 years ago
5

Could some one help me in this?

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0
3.14 x r^2 I belive this is right
bekas [8.4K]3 years ago
3 0

Answer:

A = 3.14 × r²

Step-by-step explanation:

A = πr²

A = 3.14 × r²

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An object is launched from a platform. Its height (in meters), xxx seconds after the launch, is modeled by: h(x)=-5x^2+20x+60h(x
EastWind [94]
It takes 6 seconds for it to hit the ground.

0 = -5x²+20x+60

We can solve this by factoring.  First factor out the GCF, -5:

0 = -5(x²-4x-12)

Now we want factors of -12 that sum to -4.  -6(2) = -12 an -6+2 = -4:
0 = -5(x-6)(x+2)

Using the zero product property, we know that either x-6=0 or x+2=0; this gives us the answers x=6 or x=-2.  Since we cannot have negative time, x=6.
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3 years ago
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Answer:

the answer is 50.27 cm for your question

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2 years ago
Cody must complete 125 credit hours of instruction. If he has completed 60% of his requirement, how many credits did Cody comple
umka2103 [35]
You must figure out what is 60% of 125

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Cody completed 75 hours

i hope this helps!!
6 0
3 years ago
Find (ƒ-g)(x) ƒ(x) = x + 6, g(x) = x - 6
timurjin [86]
=(f-g)(x)
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6 0
2 years ago
Point (-4, -5) is located which quadrant?
jeka94

Answer:

D) Quadrant III

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