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3 years ago

Please help me answer 70 is 160% of what?

Mathematics

2 answers:

Blizzard [7]3 years ago

8 0

70 = 160% of x

70 = 160/100 * x

70 = 1.6x

1.6x = 70

x = 70 / 1.6

x = 43.75

70 is 160% of 43.75

Lina20 [59]3 years ago

6 0

You are basically asking 160% of X = 70.
1) 70 x 100 = 7000 (to turn the 70 into a %)
2) 7000 /160 = 43.75

You can reverse the equation to double check the answer.
160% x 43.75 = 70

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The midpoint of AB is (3,2). If point is is located at(8,4) what are the coordinates of point B

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Step-by-step explanation:

8-3 = 5,

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A country's population in 1995 was 164 million. in 2001 it was 169 million. estimate the population in 2015 using the exponentia

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Find an equation of the line satisfying the given conditions Through (6,4); perpendicular to 3X + 5Y =38

Katyanochek1 [597]

To answer this, we will need to know:

• The slope of the equation we are trying to get
• The point it passes through using the

First, we will need to find the slope of this equation. To find this, we must simplify the equation $3x+5y=38$ into $y=mx+b$ form. Lets do it!

$3x+5y=38$
= $5y = -3x+38$ (Subtract 3x from both sides)
= $y= -\frac{3}{5}x+ \frac{38}{5}$ (Divide both sides by 5)

The slope of a line perpendicular would have to multiply with the equation we just changed to equal -1. In other words, it would have to equal the negative reciprocal.

The negative reciprocal of the line given is $\frac{5}{3}$ .

Now that we know the slope, we have to find out the rest of the equation using the slope formula, which is:

$\frac{y-y _{1} }{x- x_{1} }=m$

Substituting values, we find that:

$\frac{y-4}{x-6}= \frac{5}{3}$

By simplifying this equation to slope-intercept form (By cross-multiplying then simplifying), we then get that:

$y= \frac{5}{3}x-6$ , which is our final answer.

Thank you, and I wish you luck.

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