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stira [4]
3 years ago
15

If 5x + 7 = 8x - 3, then x=?

Mathematics
2 answers:
Ronch [10]3 years ago
8 0

Step-by-step explanation:

5x+7=8x-3

subtract 7 from both sides

5x=8x-10

subtract 8x from both sides

-3x=-10

divides -3 from both sides

x=0.3

I hope I'm right and hope I helped :))

Tcecarenko [31]3 years ago
6 0

Answer:

Find the Inverse Function f(x)=5x-7. Replace with . Interchange the variables. Solve for . Tap for more steps... Rewrite the equation as . Add to both sides of the equation. Divide each term by and simplify.

Step-by-step explanation:

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2 years ago
A basketball court is 94 feet by 50 feet. Eight fans ca
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Answer:

The entire floor can contain approximately 4178 fans

Step-by-step explanation:

The first step is to calculate the area of the basketball floor.

we can do this by multiplying the length by the breadth as such 94 X 50 = 4700 square feet.

The second step is to calculate the area occupied by 8 of the fans. We can do this by multiplying 3 ft by 3ft = 9 square feet.

From this, it will be easier to estimate the area occupied by only one fan. This can be got by dividing 9 square feet by 8.  

This is = 1.125 square feet.

To get the number of students it can occupy, we divide the total area of the court by the area occupied by one student.

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4 0
3 years ago
F(x)= 2lxl? (graphing absolute values) I'm a little confused.
Vesnalui [34]
I see. Imagine you have f(x)=|x|. It's a V shaped graph.

Now if f(x)=|x|, 2f(x)=2|x|.

Graph Transformation Rule:

af(x), multiply y-coordinates by a.

*Ultimately, you'd still have a V shaped graph in 2f(x)=2|x|, but the y values of all the coordinates in f(x)=|x| would have to be multiplied by 2 giving you 2f(x)=2|x|.
6 0
4 years ago
Read 2 more answers
I feel like I am asking so my questions but I dont really care its a Sunday xD
dimulka [17.4K]
You would add like terms so it would be 1x then you add 1 to 7 so you would get 8.. the you divide both sides by 1x and you'd get 8=x
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3 years ago
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A rectangular parking lot is enclosed by concrete barriers 5 feet long. There are 160 barriers in total. Determine the maximum a
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3 years ago
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