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arsen [322]
2 years ago
12

Find AC please, help is very much appreciated.

Mathematics
1 answer:
fenix001 [56]2 years ago
4 0

Answer:

AC ≈ 67.9

Step-by-step explanation:

15² = 9 (3x + 1 + 9)

225 = 9 (3x + 10)

225 = 27x + 90

135 = 27x

x ≈ 19.29

AC = (3x + 1 + 9)

AC = 3 (19.2857...) + 1 + 9

AC = 57.857... + 1 + 9

AC =  57.857... + 10

AC ≈ 67.9

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The sum of two numbers is 64 and the difference is 6. What are the numbers?
Ne4ueva [31]

Answer:

29 and 35

Step-by-step explanation:

x+y=64

x-y=6

Solve by substitution.

x=6+y

6+y+y=64

6+2y=64

y=29

Then plug in 29 for y.

x+29=64 ......35

7 0
3 years ago
PLEASE HELP!!
Rashid [163]

Answer:

The answer is $10.80

Step-by-step explanation:

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skelet666 [1.2K]

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

6 0
3 years ago
A whole number is 6 more than 2 times another number. The sum of the two numbers is less than 50. This can be written in an ineq
marshall27 [118]
Start with the given expression:
x+2x+6.

Simplify by grouping like terms:
3x+6

Isolate variable terms:
3x

Solve for x:
x
x

Therefor the expression holds for integers less than or equal to 14.

As a check:
x+2x+6
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and:
x+2x+6
15+2(15)+6
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The only choice that fits is A.

8 0
3 years ago
Read 2 more answers
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