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3 years ago

How do you compute unit rates associates with ratios and fractions?

1 answer:

5 0

<span>Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units. For example, if a person walks 1/2 mile in each 1/4 hour, compute the unit rate as the complex fraction 1/2/1/4 miles per hour, equivalently 2 miles per hour. ... hope this helps.</span>

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A container manufacturer plans to make rectangular boxes whose bottom and top measure 4x by 3x. The container must contain 48in.

alex41 [277]

The height of the container that will be able to minimize the cost will be 3.08cm.

<h3>How to calculate the height?</h3>

The volume of the box will be:

= (3x)(4x)h

= 12x²h

From the information given, we are told that the container must contain 48in³. Therefore,

48 = 12x²h

h = 4/x²

The function cost will be:

= 3.50(2)(12x²) + 4.40(14x)h

= 84x² + 61.6x(4/x²)

= 84x² + 246.4/x

We'll use the first derivative. This will be:

dC/dx = 168x - 246.4/x²

x = 1.14.

Therefore, the height will be:

h = 4/x² = 4/1.14² = 3.08cm

In conclusion, the height is 3.08cm.

Learn more about height on:

brainly.com/question/1557718

4 0

2 years ago

Someone help!!! asap!!!!

pentagon [3]

Answer:

Hope it helps plz give BRAINLIES! :D

Step-by-step explanation:

$80

4 0

3 years ago

Functions math, please help.

kozerog [31]

Y intercept is (0,-7). slope is 2.

Change the function to y=mx+b format first. m=slope and plug in 0 as x to get y intercept.

8 0

2 years ago

I need help with this and also I need someone who knows how to do math to answer my questions pleasee

klasskru [66]

Answer:

C (175+125)÷3

Hope this helps

5 0

3 years ago

You need to split it in half then multply then add

sleet_krkn [62]

Answer:

I'm pretty sure it's 97

Step-by-step explanation:

I made three shapes 2 rectangle and 1 triangle

7 0

3 years ago