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defon
3 years ago
10

A cell phone provider charges $30 each month to have a cell on their plan, but their talk and text are not free. It costs $0.05

for every minute of talk and $0.10 for every text sent. There is no charge for receiving texts. a. Write an algebraic expression that represents the monthly costs of the plan, given t represents the number of minutes and x represents the number of texts sent for each month.
Mathematics
2 answers:
Alenkasestr [34]3 years ago
8 0

Answer:$30m+.05t+.10x

Ugo [173]3 years ago
7 0
The answer is 10x +0.05x +30=y
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Drag each length to the correct location on the image. Each length can be used more than once, but not all lengths will be used.
Zepler [3.9K]

Applying trigonometric ratios, the missing segments lengths in the image attached below are: <em>a = 8√3; b = 12.</em>

<h3>The Trigonometric Ratios</h3>
  • SOH is sin ∅ = opp/hyp
  • CAH is cos ∅ = adj/hyp
  • TOA is tan ∅ = opp/adj
  • SOHCAHTOA is used to solve right triangles.

Given the right triangle in the mage attached below, we would find the missing sides as follows:

<em>Find a:</em>

Reference angle (∅) = 30°

opposite = 4√3

hypotenuse = a

  • <em>Apply SOH:</em>

sin 30 = (4√3)/a

a = (4√3)/sin 30

a = (4√3)/(1/2) (sin 30 = 1/2)

a = (4√3)×2

a = 8√3

<em>Find b:</em>

Reference angle (∅) = 60°

opposite = b

adjacent = 4√3

  • <em>Apply TOA:</em>

tan 60 = b/(4√3)

b = tan 60 × 4√3

b = √3 × 4√3

b = 12

Therefore, applying trigonometric ratios, the missing segments lengths in the image attached below are: <em>a = 8√3; b = 12.</em>

Learn more about trigonometric ratios on:

brainly.com/question/4326804

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Solve for system of equations<br> −3y−4x=−11<br> 3y−5x=−61<br> ​
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X= 8
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If you use elimination:

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Substitute 8 in for x

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Simplify

–3y–32=–11

Add 32 on both sides

–3y=21

Divide by –3 on both sides

Y=–7
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Answer:25 percent

Step-by-step explanation:

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