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bija089 [108]
3 years ago
12

A music app charges $2 to download the app plus $1.29 per song downloaded wright and solve a linear equation to find the total c

ost to download 30 songs
Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
4 0

Answer: $40.7

Step-by-step explanation:

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Ken has a pole that is 26 inches long. He wishes to cut it into two pieces so that one piece will be 8 inches longer than the ot
Yuliya22 [10]

Answer:

9 inches

Step-by-step explanation:

Do the question algebraically, represented by this equation:

let x be the shorter piece

x + (x + 8) = 26                      (longer piece is 8 units longer)

Remove brackets

x + x + 8 = 26                 Combine like terms              

2x + 8 = 26                   Start isolating "x"

2x + 8 - 8 = 26 - 8           Subtract 8 from both sides

2x = 18

2x/2 = 18/2           Divide both sides by 2

x = 9                    shorter piece

The shorter piece would be 9 inches.

If you needed the longer piece too:

longer piece = x + 8

x + 8

= 9 + 8

= 17

The longer piece would be 17 inches.

Check your answer:

Longer + Shorter = 26           Substitute the lengths

17 + 9 = 26                    Add

26 = 26                same number

LS = RS                left side equals right side

The answer is correct.

3 0
3 years ago
I need help with percent and tax
sasho [114]

Hello there

56•25/100=

1400÷100=

14$

56-14=42$

He will pay 42$

:D

6 0
3 years ago
What is the perimeter of a quadrilateral with vertices at (3,-6),(8,-6),(3,-4), and (8,-4)
Eduardwww [97]

Answer:

im sorry i dont know but this is for a challenge

Step-by-step explanation:

3 0
2 years ago
Guys u have to help me im trying for one hour
Tpy6a [65]

Answer:

12 is the answers for the question

Step-by-step explanation:

please give me brainlest

3 0
2 years ago
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Find the missing side of the triangle
stepan [7]

Answer:

x = 7\sqrt{2}

Step-by-step explanation:

Pytago:

7^2 + 7^2 = x^2\\x = \sqrt{7^2 + 7^2} \\x = 7\sqrt{2}

3 0
3 years ago
Read 2 more answers
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