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Goshia [24]
3 years ago
10

Solve it

0-%206%29" id="TexFormula1" title=" \sf \: 5(x - 9) + 3(x + 4) = 2(x - 6)" alt=" \sf \: 5(x - 9) + 3(x + 4) = 2(x - 6)" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
JulsSmile [24]3 years ago
6 0

Answer:

5x - 45 + 3x + 12 = 2x - 12 \\ 8x  -  33 = 2x - 12 \\ 6x = 21 \\ x = 3.5

skelet666 [1.2K]3 years ago
5 0

Answer:

\huge{x =  \frac{7}{2} }

Step-by-step explanation:

5(x - 9) + 3(x + 4) = 2(x - 6)

<u>First expand the terms in the bracket</u>

That's

5x - 45 + 3x + 12 = 2x - 12

<u>Simplify</u>

8x - 33 = 2x - 12

8x - 2x = 33 - 12

6x = 21

<u>Divide both sides by 6</u>

\frac{6x}{6}  =  \frac{21}{6} \\ x =  \frac{21}{6}

Simplify

We have the final answer as

x =  \frac{7}{2}  \\

Hope this helps you

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7 0
2 years ago
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A birthday cake is being made using a cylindrical baking pan. The radius of the pan is 4 inches, and the height is 5 inches.
aleksandr82 [10.1K]

Answer:

the formula represent the correct way is  π(4)^2 (5)

Step-by-step explanation:

The formula that represent the correct way to calculate is given below:

As we know that

Volume = πr^2 h

where

r denotes the radius i.e. 4 inches

And, h denotes the height i.e. 5 inches

Now placed these values to the above formula

So,

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Hence, the formula represent the correct way is  π(4)^2 (5)

8 0
3 years ago
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SashulF [63]

Answer:

(a)

Amount of water in the first pool (in liters) = 3850 liters - 33 liters per minute * x minutes

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(b)

3850 liters - 33 liters per minute * x minutes= 4370 liters - 43 liters per minute * x minutes

Step-by-step explanation:

(a) With x being the minutes after which you want to calculate the amount of water in the pool, to calculate this amount of water you must subtract the water drained from the initial amount of water that the pool contains.

Knowing that, for example, the water from the first pool drains at a rate of 33 liters per minute, then after x minutes, the total water drained will be 33 liters per minute * x minutes. Then:

<u><em>Amount of water in the first pool (in liters) = 3850 liters - 33 liters per minute * x minutes</em></u>

Reasoning in the same way:

<u><em>Amount of water in the second pool (in liters) = 4370 liters - 43 liters per minute * x minutes</em></u>

(b)  Now want to know when the two pools would have the same amount of water.  If they have the same amount of water then you can express:

Amount of water in the first pool = Amount of water in the second pool

Replacing the expressions found in (a):

<u><em>3850 liters - 33 liters per minute * x minutes= 4370 liters - 43 liters per minute * x minutes</em></u>

5 0
3 years ago
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Answer:

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