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s344n2d4d5 [400]
3 years ago
8

-3(5x-9) pls tell me

Mathematics
2 answers:
Elena-2011 [213]3 years ago
8 0
-15x + 27 is the answer
nirvana33 [79]3 years ago
4 0
-15x+27 :))))))) good luck
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The sum of 4 and y divided by 5 equal to 9. Find the value of y.​<br>pls a better solution
rosijanka [135]

Answer:

y=41

Step-by-step explanation:

Let us start by writing an equation. <em>4 plus y divided by 5 equals to 9</em> :

\frac{4+y}{5}=9

Great! Now let us solve for the variable, <em>y</em>, by isolating the terms:

4+y=45\\y=41

<em>I hope this helps! Let me know if you have any questions :)</em>

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3 years ago
1. What percent of 56 is 14?
tekilochka [14]

Answer:

Percentage Calculator: 14 is what percent of 56? = 25.

Step-by-step explanation:

3 0
3 years ago
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alex needs to buy compressed air to fill 5 empty cylindrical tanks for his store. each tank is 12 feet deep and has a radius of
Yanka [14]
Volume of a cylinder = the area of the base x height of the cylinder
Area of base = \pir^2
A = 6^2(\pi)
A = 36\pi
V = 36\pi x 12
V = 432\pi

5 cylinders = 5V

5V = 5 x (432\pi)
5V = 2160\pi

Final answer: Alex needs to buy 2160\pi or 6785.84 cubic feet worth of compressed air to fill all of the cylindrical tanks.
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3 years ago
Systematic random sampling is used to interveiw residents in 25% of 80 apartments in a building. The sampling interval would be
DedPeter [7]

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the cable of a hoist has a cross-section of 80 mm2. the hoist is used to lift a crate weighing 500 kg. what is the stress in the
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If polypropylene is used, extension will be 0.1532mm

Step-by-step explanation: detailed explanation and calculation is shown in the image below

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3 years ago
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