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Ad libitum [116K]
2 years ago
9

WORTH 50! WILL AWARD BRAINLIEST! PLEASE SHOW STEPS! THANK YOU!

Mathematics
1 answer:
yanalaym [24]2 years ago
4 0

Answer:

x = 45

Step-by-step explanation:

Re-order terms so constants are on the left
15 * x/9 - 42 =28

Combine multiplied terms into a single fraction
15x/9 - 42 = 28

Cancel terms that are in both the numerator and denominator
5x/3 - 42 = 28


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Find the surface area of the cylinder in terms of pi
tia_tia [17]

Answer:

<u>A≈301.44</u>

Step-by-step explanation:

The area of a cylinder is A=2πrh+2πr^2

You first do the first problem of the equation (A=2πrh)

You fill in the radius and height ( A=2π(4)(8) )

You first multiply 4 x 8 = 32. ( A=2π(32) )

Then you multiply 2 x 32 = 64. ( A=π(64) )

Then you multiply π x 64 (using 3.14 for π) = 200.96 m^2

You then do the second part of the equation. (A=2πr^2)

You fill in the radius. (A=2π(4)^2)

Then multiply 4 x 4 = 16 (because it's to the power of 2 [4 times itself twice]) and then multiply it by 2.

16 x 2 = 32. ( A=π(32) )

Next you just multiply 32 x π (using 3.14 for π again) = 100.48 m^2.

Then you just add them together:

200.96 m^2 + 100.48 m^2 = 301.44 m^2

So <u>301.44 m^2</u> is your answer.

(I hopefully think it is.)

5 0
3 years ago
Read 2 more answers
Two urns contain white balls and yellow balls. The first urn contains 7 white balls and 7 yellow balls and the second urn contai
cestrela7 [59]
To find the probability that both balls are white you will find the probability of getting a while ball from each situation separately and then multiply these probabilities together.

1.  7/14 or 1/2 chance
2.  3/9 or 1/3 change

1/2 x 1/3 = 1/6

You will have a 1 in 6 chance of getting a white ball from both urns.
7 0
3 years ago
What percent of 45 is 135? Explain your reasoning.
MrRissso [65]
The question is equal to: 135 / 45

Divide:

135 / 45 = 3

3 = 300%

Answer = 300% (I think)

~Hope this helped~


6 0
3 years ago
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5x + 3 &lt; -7 <br> you have to show work
OLEGan [10]

Answer:

gev5y

Step-by-step explanation:

4 0
3 years ago
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Solve the two-step equation. − 2 3 x – 21 4 = 27 4
svetoff [14.1K]

Answer:

Step-by-step explanation:

I'm going to assume that the problem is -23x -214 = 274

And in that case...

1. First isolate the x-value by adding 214 to both sides of the equation:

-23x = 488

2. Then, divide both sides by -23 to truly get x alone:

x = -\frac{488}{23} or -21.22

7 0
3 years ago
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