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alex41 [277]
1 year ago
7

A student is factoring 18x + 6x. Find the students mistake and correct it. 18x + 6x = 6x(3)=18x

Mathematics
1 answer:
Fiesta28 [93]1 year ago
6 0

The mistake made by student is 6x(3) = 18x

because 18x + 6x = (18+6) x = 24x

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A bank loaned out 17000 part of it at the rate of 7% per year and the rest 15% per year. If the interest received in one year to
pogonyaev

x+y=17000 (x.7+y.15)/100=2000 (7x+7y)+8y=200000. 8y=200000-17000.7 y=61.5.5.5 17000-y=9375=x x=9375

6 0
3 years ago
7)
saul85 [17]

Answer:

B

Step-by-step explanation:

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Use the quadratic formula to find both solutions to the quadratic equation
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3 0
3 years ago
A trapezoid has an area of 13.5 square inches. If the bases are 3 and 6 inches what is the height?
liraira [26]
Well the formula is : b1+b2/2 (h)

so the height would be solved as : 
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13.5 = 9/2 (h)
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5 0
3 years ago
2) What is the inequality that this graph represents? -15 # 3 6 x​
kvasek [131]

Answer:  y < -\frac{1}{2}x+3

This is the same as writing y < (-1/2)x+3

==============================================================

Explanation:

The dashed boundary line goes through (0,3) and (4,1)

Apply the slope formula for those two points

m = (y2-y1)/(x2-x1)

m = (1-3)/(4-0)

m = -2/4

m = -1/2

The slope of the dashed line is -1/2. The y intercept is 3. So we go from y = mx+b to y = (-1/2)x+3 to represent the equation of the dashed line. This is the same as writing y = -\frac{1}{2}x+3

We shade below the dashed line to represent the inequality y < -\frac{1}{2}x+3. Points in the shaded region are solutions to the inequality. One example point is (0,0).

Note that we don't have "or equal to" as part of the inequality sign because we are not including points on the boundary. A solid line, rather than a dashed line, would include points on the boundary.

3 0
2 years ago
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