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2 years ago

ASAP I WILL GIVE BRAINLIEST

Mathematics

1 answer:

hammer [34]2 years ago

3 0

Answer:

8 inches

Step-by-step explanation:

V= Volume

A= Base

H= Height

<em>Formula: H= V÷A</em>

336in÷ 42in²= 8in

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There are 120 planes on an airfield. If 75% of the planes take off, how many planes took off?

Soloha48 [4]

Answer:

You have to do 120 divided by 0.75 use a calculator

Step-by-step explanation:

7 0

3 years ago

Multiply 12 by the sum of 8 and "t"

Katen [24]

Mathematically, that is 12(8+t). Distribute the 12, and you get 96 + 12t, or 12t + 96.

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3 years ago

A fish dives into a depth of -3/4 mile below the surface of the water. A turtle's depth is 1/3 as deep as the fish's depth. What

Tomtit [17]

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3 years ago

I WILL GIVE BRAINIEST Which statement is correct about the product of 9/10 and 7/8

Wewaii [24]

Answer:

7/10 and 7/8 are both less than 1.

Step-by-step explanation:

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3 years ago

Margie is standing on a bridge looking at the river below. She throws a rock over the bridge with an initial

Marina CMI [18]

<h2>Explanation:</h2><h2></h2>

Here we know that Margie is standing on a bridge looking at the river. She throws a rock over the bridge with an initial velocity of 60 ft/sec. The height, h, of the rock at the rime t seconds after it was thrown can be modeled by the equation:

$h(t) = -16t^2+60t+72$

To calculate how long will it take for the rock to reach the surface of the water, we need to set $h(t)=0$ . So:

$0 = -16t^2+60t+72 \\ \\ \\ \text{Using quadratic formula}: \\ \\ t=\frac{-b \pm \sqrt{b^2-4ac}}{2a} \\ \\ \\ a=-16 \\ \\ b=60 \\ \\ c=72 \\ \\ \\ t=\frac{-60 \pm \sqrt{60^2-4(-16)(72)}}{2(-16)} \\ \\ t=\frac{-60 \pm \sqrt{60^2-4(-16)(72)}}{2(-16)} \\ \\ t=\frac{-60 \pm \sqrt{8208}}{-32} \\ \\ t_{1}=4.70 \\ \\ t_{2}=-0.95$

Given that time can't be negative, we just choose the positive value. Therefore, <em>it will take 4.70 seconds for the rock to reach the surface water.</em>

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3 years ago