3 years ago

Someone plssss help

Mathematics

1 answer:

-BARSIC- [3]3 years ago

3 0

Your answer is 37%
hope this helps

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19.7%

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3. Frank and Marissa took a taxi. The tax Charges $5.00 per person and $1.30 per mile. If the total bill

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The taxi ride is 6.5 miles.

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3 years ago

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Step-by-step explanation:

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3 years ago

WHOEVER ANSWERS CORRECTLY WILL GET BRAINLIEST!!!

Tresset [83]

The First one is the answer.

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2 years ago

A rocket is shot straight into the air at an initial velocity of 70 feet/second.

DanielleElmas [232]

Answer: 245 feet

Step-by-step explanation:

Given: The height of the rocket after t seconds is represented by the formula:

$h=70t-5t^2$

$\dfrac{dh}{dt}=70-10t$ [Differentiate both sides w.r.t. t]

Put

$\dfrac{dh}{dt}=0\\\\\Rightarrow\ 70-10t=0\\\\\Rightarrow\ t=\dfrac{70}{10}=7$

Also, $\dfrac{d^2h}{dt^2}=-10$ i.e. height is maximum at t=7.

Maximum height = $h=70(7)-5(7)^2 = 490 - 245= 245\text{ feet}$

Hence, the maximum height the rocket reaches = 245 feet.

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3 years ago