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Arada [10]
3 years ago
15

What is the solution to 34x + 95 = 3 (14X +9)

Mathematics
2 answers:
Leya [2.2K]3 years ago
8 0
X=17/2
Decimal form : x=8.5
SCORPION-xisa [38]3 years ago
7 0

Answer: 17/2 or 8.5

Step-by-step explanation:

1. 34x + 95 = 3(14x+9)

2. 34x + 95 = 42x + 27 (Distribute)

3. 34x - 42x + 95 = 27 (Subtract 42x from both sides)

4. 34x - 42x = 27 - 95 (Subtract 95 from both sides)

5. -8x = 27 - 95 (Combine like terms)

6. -8x = -68 (combine like terms)

7. x = 17/2 (divide both sides by -8)

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Answer:

C=20+0.20N

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Fixed monthly fee = $20

Amount charged per minute for long distance calls = $0.20

C denotes total cost such that N minutes are used for long distance calls.

Amount charged for N minutes for long distance calls =0.20N

Therefore, an equation for the total cost, C, when N minutes are used for long distance calls is C=20+0.20N

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(A) Write an expression that represents Sarah’s total pay last week. Represent her hourly wage with (w)?
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2 years ago
An equation is shown below:
Alex787 [66]
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4 0
3 years ago
1) f(x) = 2x + 4, g(x) = 4x2 + 1; Find (g ∘ f)(0).
Sholpan [36]

Answer:

<h2>(g \: \circ \: f)(0) = 17</h2>

Step-by-step explanation:

f(x) = 2x + 4

g(x) = 4x² + 1

In order to find (g ∘ f)(0) we must first find

(g ° f )(x)

To find (g ° f )(x) substitute f(x) into g(x) that's for every x in g(x) replace it with f(x)

That's

<h3>(g \: \circ \: f)(x) = 4( ({2x + 4})^{2} ) + 1 \\  = 4(4 {x}^{2}  + 16x + 16) + 1 \\  =  {16x}^{2}  + 64x + 16 + 1</h3>

We have

<h3>(g \: \circ \: f)(x) =  {16x}^{2}  + 64x + 17 \\</h3>

Now to find (g ∘ f)(0) substitute the value of x that's 0 into (g ∘ f)(0)

We have

<h3>(g \: \circ \: f)(0) = 16( {0})^{2}  + 64(0) + 17 \\</h3>

We have the final answer as

<h3>(g \: \circ \: f)(0) = 17</h3>

Hope this helps you

8 0
3 years ago
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