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balu736 [363]
3 years ago
15

14 Pencils are sold for $3.84 per dozen. Find the cost of 15 pencils. SHOW HINT

Mathematics
1 answer:
masha68 [24]3 years ago
7 0

Answer:

the answer is ############

Step-by-step explanation:

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the length of a rectangle is 2 in more than it's w i d t h the area of a rectangle is equal to 1 inch less than three times a pe
Marizza181 [45]
If we let x and y represent length and width, respectively, then we can write equations according to the problem statement.
.. x = y +2
.. xy = 3(2(x +y)) -1

This can be solved a variety of ways. I find a graphing calculator provides an easy solution: (x, y) = (13, 11).

The length of the rectangle is 13 inches.
The width of the rectangle is 11 inches.

______
Just so you're aware, the problem statement is nonsensical. You cannot compare perimeter (inches) to area (square inches). You can compare their numerical values, but the units are different, so there is no direct comparison.

6 0
3 years ago
Find an equation for the linear function which has y-intercept -2 and x-intercept 9
Alexxx [7]

Answer:

equation y=-11/50-2

Step-by-step explanation:

Y intercept is where you start which is -2. Then you calculate the slope m=x1-y1/x2-y2

4 0
3 years ago
Question One
Alex

Answer:

Step-by-step explanation:

Set up proportions. Make sure length and widths line up!

\frac{12}{5} =\frac{x}{8}

Then do butterfly method.

12(8) = 5x

Solve for x.

96 = 5x\\\\x= 19.2 in

Hope that helped!

7 0
3 years ago
16 is what percent of 34? Round your answer to the nearest tenth of a percent if necessary.
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<span>Divide 16 by 34, then move the decimal point two places to the left. 
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4 0
3 years ago
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What is true when a system of equations has infinitely many solutions?
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B. The lines coincide
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