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gulaghasi [49]
3 years ago
15

3 (x+6) what is the answer ??​

Mathematics
2 answers:
grigory [225]3 years ago
7 0

For this case we have the following expression:

3 (x + 6)

We must apply distributive property, which by definition establishes that:

a (b + c) = ab + ac

Then, applying the distributive property to the expression we have:

3 (x + 6) = 3x + 3 * 6 = 3x + 18

So, 3 (x + 6) = 3x + 18

Answer:

3x + 18

ziro4ka [17]3 years ago
4 0

Answer:

3x+18

Step-by-step explanation:

3 (x+6)

Distribute

3x+3*6

3x+18

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Answer:

Step-by-step explanation:

Multiply $120 (cost of haircut) X .18 (18% in decimal form) to get the tip amt.

120 X .18 = 21.60

Now add $120 (haircut) + 21.60 (tip) together to get the total amt. she paid.

120 + 21.60 = $131.60

Carla gave her stylist $131.60 total

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3 years ago
One person can do a certain job in 15 minutes and another person can do the same job in 30 minutes. How many minutes will it tak
Flauer [41]

Hello! Your answer is B, 10 minutes.

Say the x = minutes taken to do the job. You can set up an equation like this to solve this.

\frac{1}{15} x + \frac{1}{30} x = 1

This is representative of the situation. The fractions each represent <u>how much each person does in a minute</u>, and when they're multiplied by x, that's <u>how much of the project they get done</u> based off of the minutes they work together on the job. Add the two together, and you get <u>how much of the project is finished in x amount of time</u>. Set it equal to 1, as you are looking for 100% completion.

Once you have this equation, find a common denominator, add, and solve.

\frac{1}{15} x + \frac{1}{30} x = 1

\frac{2}{30} x + \frac{1}{30} x = 1

\frac{3}{30}x = 1

\frac{1}{10}x = 1

x = 10

Therefore, it will take them 10 minutes to do the job together.

Hope this helps!

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Answer:

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Answer:

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Step-by-step explanation:

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