2 years ago

I’m failing my math class and I need help with math because I don’t understand some stuff.

Mathematics

2 answers:

lisov135 [29]2 years ago

6 0

Then post the question(s)

yarga [219]2 years ago

4 0

Answer:

what you need help on??

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2 years ago

A rocket is launched from a tower. The height of the rocket, y in feet, is related to the

IrinaK [193]

Answer:

1,041.9feet

Step-by-step explanation:

Given the height of the rocket expressed as

y = -16x² + 245x + 104

At maximum height, dy/dx = 0

dy/dx = -32x+245

0 = -32x+245

32x = 245

x = 245/32

x = 7.65625

Get the maximum height

Recall that;

y = -16x² + 245x + 104

Substitute the value of x;

y = -16(7.65625)² + 245(7.65625) + 104

y = -937.890625 + 1,875.78125 + 104

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Hcne the maximum height to the nearest foot is 1,041.9feet

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2 years ago

19√$1143.8<br>can anyone solve this

IrinaK [193]

Well $19\sqrt{ $1143.8} = 19\sqrt{1143.8}$

Simplified would be: 642.58213482

642.58213482 = 642.58 = $642.58

Answer: <span>642.58

Hope this helps!

</span>

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3 years ago

Jen is making a receipt for pancakes.A receipe calls for 4/10 kilogram flour and 12/100 sugar.<br /> if Jen measures corre

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If you take the numerator and the denominator from flour and multiply both by 10, you'll get 40/100. then, add 40/100 to 12/100. your answer should be 52/100. if not, look back through your math. hope that helped.

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Julia evaluated the expression 3 to the third power plus 20 divided by 2 to the second power. What’s the answer need it tonight

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Step-by-step explanation:

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