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Ray Of Light [21]
3 years ago
11

X + 3(2x - 5) = 4x – 12

Mathematics
2 answers:
jekas [21]3 years ago
7 0

Answer:

X is 9

X+6x-15=4x+12

3x-15=12

3x=27

x=9

SO x is 9

poizon [28]3 years ago
7 0

Answer:

x=9

Step-by-step explanation:

x + 3(2x - 5) = 4x – 12

distrubute left side

3 times 2x; 3 times -5

x+6x-15=4x-12

add like terms

x+6x

7x-15=4x-12

get all variables on the same side

7x-15=4x-12

-4x -4x

3x-15=12

add 15 to both sides

3x-15=12

+15 +15

3x=27

divide by 3 on both sides

3x/3=27/3

x=9

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horace is a professional hair stylist. let ccc represent the number of child haircuts and aaa represent the number of adult hair
Novay_Z [31]

He can give at most 2 adult haircuts with the remaining time

<h3>How many adult haircuts at most can he give with the remaining time? </h3>

The inequality is given as:

0.75C + 1.25A <= 7

Also, we have

C = 5

Substitute C = 5 in 0.75C + 1.25A <= 7

0.75 * 5 + 1.25A <= 7

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Read more about inequalities at:

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<u>Complete question</u>

Horace is a professional hair stylist. Let C represent the number of child haircuts and A represent the number of adult haircuts that Horace can give within 7 hours. 0.75C + 1.25A <= 7

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2 years ago
Determine the standard form of the equation for the circle with center (h,k)= (0,-2) and radius r=9
gladu [14]
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3 years ago
Claire invests £200,000 in a savings account for 4 years. The account pays a compound interest of 1.6% annum. Calculate the tota
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Answer: total amount of interest = £13110.49

Step-by-step explanation:

given that the

Principal P =  £200,000

Time t = 4 years.

Rate R = 1.6% 

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Amount = 200000( 1 + 1.6%)^4

Amount = 200000 (1.016)^4

Amount = 200000 × 1.06555245

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Total amount of interest = 213110.49 - 200000

The total amount of interest = £13110.49

Therefore, Claire will get a total amount of interest of £13110.49 at the end of four years

6 0
3 years ago
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