3 years ago

Use the formula V - Bh to calculate the volume of this

Mathematics

1 answer:

xxTIMURxx [149]3 years ago

8 0

Answer:

The first one is 14 and the second is 161

Step-by-step explanation:

I’m doing it now

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What is the anwser to this equation? 36=15+7x

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Answer:

x = 3

Step-by-step explanation:

Subtract 15 from each side, so it now looks like this: 21 = 7x
Divide each side by 7 to cancel out the 7 next to x. It should now look like this: 3 = x

I hope this helps!

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What’s the side of 200cm in a square

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To find the length of a side of a square fins the square root of the area.

Area = 200 cm^2

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2 years ago

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Step-by-step explanation:

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2 years ago

If a football player passes a football from 4 feet off the ground with an initial velocity of 36 feet per second, how long will

DochEvi [55]

Answer:

Option A is correct

Step-by-step explanation:

The given equation is

h = -16t^2+6t+4

When the ball will hit the ground, height h = 0

Putting value of h = 0

0 = -16t^2+6t+4

Now solving to find the value of t

=> -16t^2+6t+4 = 0

Multiply with -1

16t^2-6t-4=0

Using quadratic formula to find value of t

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

a= 16, b= -6 and c= -4

Putting values,

$t=\frac{-(-6)\pm\sqrt{(-6)^2-4(16)(-4)}}{2(16)}\\t=\frac{6\pm\sqrt{36+256}}{32}\\t=\frac{6\pm\sqrt{292}}{32}\\t=\frac{6\pm17.08}{32}\\t=\frac{6+17.08}{32} \,\,and\,\, t=\frac{6-17.08}{32}\\t=0.721\,\,and\,\, t=-0.34$

Since time cannot be negative, so t = 0.721 or 0.72

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2 years ago