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Sever21 [200]
2 years ago
9

GIVING BRAINLEST!

Mathematics
1 answer:
irina [24]2 years ago
7 0

Answer:

the 5th month

Step-by-step explanation:

Triax=

1st month $50 phone+ $40fee = $90 first month

2nd month= $90+$40=$130

3rd month= $170 (I think you caught on tp the add $40 each month)

4th month= $210

5th month=$250

CellUR=

1st month = $50

2nd month = $50+$50=$100

3rd month = $150(I think you caught on tp the add $50 each month)

4th month= $200

5th month=$250

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solve the equations below. make sure you say how many solutions each equation has(MCC.8.EE.7a) A. 5p-9=7p-19 b. 5p-9= 5p-19 C. 5
Sedaia [141]
<h3>Answer:</h3>
  • A) p = 5, one solution
  • B) no solutions
  • C) infinite solutions
<h3>Step-by-step explanation:</h3>

A) Add 19-5p to each side of the equation:

... 10 = 2p

... 5 = p . . . . . divide by the coefficient of p

B) Subtract 5p from both sides of the equation:

... -9 = -19 . . . . . there is <em>no value of p</em> that will make this true. (No solution.)

C) Subtract 5p from both sides of the equation:

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Step-by-step explanation:

7 0
3 years ago
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a company promises to release model every month. each model's battery life will be 6% longer than the previous model's. if the c
Ratling [72]

The number of months that it will take the latest model's battery life to reach 1,008.9 minutes is; 8 months

<h3>How to solve geometric progression?</h3>

Each month, there is an increase by a factor of 0.06 of the previous months model.

From geometric sequence formula of aₙ = ar^(n - 1),

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r is common ratio

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we have;

1,008.9 = 671 * 1.06^(n - 1)

1008.9/671 = 1.06^(n - 1)

In 1.504 = (n - 1) In 1.06

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n - 1 = 0.408/0.058

n = 7.03 + 1

n ≈ 8 months

Read more about geometric sequence at; brainly.com/question/24643676

#SPJ1

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2 years ago
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irga5000 [103]

Answer:

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14.2 mm x 12 mm x 8.5 mm = 1,448.4 mm^2.

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