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Whitepunk [10]
3 years ago
11

3(5-2x)=-4(cx+4)

Mathematics
1 answer:
ycow [4]3 years ago
7 0

Answer:

c = 3/2

Step-by-step explanation:

hello :

3(5-2x)=-4(cx+4)

-6x+15 = - 4 cx-16

-6x+4cx = -16-15    means 6x-4cx=-31

(6-4c ) x = 31

the equation have no solutions when : 6-4c = 0   (you have : 0x=31...false)

-4c=-6

c= -6/-4

c = 3/2

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Joseph works at a car dealership and earns a flat $450.00 per week. He also earns 3% of his sales each week. Joseph needs to ear
777dan777 [17]

Answer:

Joe needs to sell $21,667 in goods to end up with a weekly income of $1,100.

Step-by-step explanation:

Let's write an equation that describes this situation, and then solve the equation for the necessary weekly sales.

Flat $450, plus 3% of his sales, add up to $1,100.

Let s represent the amount of sales.

Then $450 + 0.03s = $1,100, where 0.03 is the decimal equivalent of 3%.

Solving for s,

0.03s = $1,100 - $450 = $650.

Dividing both sides by 0.03, to isolate s, we get:

s = $650/0.03 = $21,667

Joe needs to sell $21,667 in goods to end up with a weekly income of $1,100.

8 0
3 years ago
Select the correct answer. Consider the graph of the function f(x) = e^x.
patriot [66]

Taking into account the definition of y-intercept,  the y-intercept of function g is (0,3) (option C).

<h3>What is y-intercept</h3>

To find the y-intercept of a function, simply replace x with 0; and then solve the equation.

That is, to find the intersection point with the ordinate axis, f(0) is calculated by making x = 0.

<h3>The y-intercept of g(x) = 2f(x)+1</h3>

In this case, you know that:

f(x) = eˣ

g(x) = 2f(x)+1

Then, substituting the expression of the function f(x) in the function g(x), you obtain g(x)=2×eˣ + 1

The y-intercept of function g is g(0). So, g(0)=2×e⁰ + 1

Solving:

g(0)=2×1 + 1

g(0)= 2+1

<u><em>g(0)= 3</em></u>

Finally, the y-intercept of function g is (0,3) (option C).

Learn more about y-intercept:

brainly.com/question/22045441

brainly.com/question/11405197

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6 0
2 years ago
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3 years ago
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The bar graph shown shows the number of students at XYZ High School who signed up for one of the summer camp programs offered by
Yakvenalex [24]

Answer:

C. 20

Step-by-step explanation:

band is 35. cheerleading is 20. 35 +20= 55. drama is 15 and math is 20. 15+20=35. 55-35=20.

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lukranit [14]

Answer:

Length 4, width 5 depth 3

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