3 years ago

Jana is buying a cell-phone plan. She has two plans to choose from.

Mathematics

1 answer:

Svet_ta [14]3 years ago

5 0

Plan A: y = 400 + (60x)
Plan B: y = 200 + (85x)

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Solve for the variable 3x + 3 = 36 A 11 B 12 C 13 D 33

LenKa [72]

3(x)+3=36
-3 -3

3(x)=33
3 3

x=11

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OPENER: Select all the names for the answers to a polynomial equation

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Log (3x+1) - Log (2x+5)= 1

sleet_krkn [62]

Answer:

$\huge \red { \boxed{x = - \frac{49}{17}}}$

Step-by-step explanation:

$log(3x + 1) - log(2x + 5) = 1 \\ \\ log \: \frac{3x + 1}{2x + 5} = log \: 10..( \because \: log \: 10 = 1) \\ \\ \frac{3x + 1}{2x + 5} = 10 \\ \\ 3x + 1 = 20x + 50 \\ 3x - 20x = 50 - 1 \\ \\ - 17x = 49 \\ \\ x = \frac{49}{ - 17} \\ \\ \huge \purple{ \boxed{x = - \frac{49}{17}}} \\$

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3 years ago

Solve and find X. Question says 5-x / 2 = 2x-7

poizon [28]

Answer:

x = 3.8

Step-by-step explanation:

The equation is (5 - x) / 2 = 2x - 7

Multiply both sides by 2:

5 - x = 4x - 14

Add 14 to both sides:

19 - x = 4x

Add x to both sides:

19 = 5x

Divide both sides by 5 to isolate x:

3.8 = x

Therefore, x = 3.8.

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3 years ago

Read 2 more answers

What are all of the factors for 12 and 30? If you answer thank you for helping, I really appreciate it.

svet-max [94.6K]

Answer:

2,3,4,6

12,3,5,6,10,15

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