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Jobisdone [24]
2 years ago
13

An item Brophy Burger costs n dollars. If the price of the Brophy Burger increases by 30%, the new price can be represented by t

he expression n + 0.3n. Which expression can also represent the new price of the delicious and nutritious Brophy Burger?
Mathematics
1 answer:
Alika [10]2 years ago
5 0
1.3n (it can be simplified like any other equation just add like terms and remember there is a one before every variable)
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fgiga [73]

Answer:

b. 14

Step-by-step explanation:

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3 years ago
Mrs Katie constructs a cube with 512 magnetic block students and her two classes will each make an identical cube. There are 28
devlian [24]
I take it each student is going to make a block. 
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Therefore she needs 53 * 512 = 27136 blocks. 

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3 years ago
Identify the volume of the composite figure, rounded to the nearest tenth. PLEASE HELP!!!
Anni [7]

Answer:

The volume of the composite figure is:

  • <u>312 ft^3</u>

Step-by-step explanation:

To identify the volume of the composite figure, you can divide it in the known figures there, in this case, you can divide the figure in a cube and a pyramid with a square base. Now, we find the volume of each figure and finally add the two volumes.

<em>VOLUME OF THE CUBE. </em>

Finding the volume of a cube is actually simple, you only must follow the next formula:

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So:

  • Volume of a cube = 6 ft * 6 ft * 6 ft
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<em>VOLUME OF THE PYRAMID. </em>

The volume of a pyramid with a square base is:

  • Volume of a pyramid = 1/3 B * h

Where:

<em>B = area of the base. </em>

<em>h = height. </em>

How you can remember, the area of a square is base * height, so B = 6 ft * 6 ft = 36 ft^2, now we can replace in the formula:

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Finally, we add the volumes found:

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5 0
2 years ago
Nanci needs at least $140 for her vacation this summer. She already has $25 and she is selling homemade bracelets for $3.00 each
Charra [1.4K]

Please look at the screenshot below, for some reason Brainly won't let me post my answer.

What I mean about "not fully written" is its impartial. It didn't ask us something like "find how many bracelets she needs to sell"

6 0
2 years ago
Perfect square trinomial:
Dennis_Churaev [7]

Answer:

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Step-by-step explanation:

Using the given model then

(k - 9)² with a = k and b = 9

= k² - 2(k)(9) + 9²

= k² - 18k + 81

3 0
3 years ago
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