4 years ago

What is the answer? to this question

Mathematics

1 answer:

Elenna [48]4 years ago

5 0

It would be
Esther
Jackie
Alexis
Maryann

If you're still confused just order the time from least to greatest :)

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A chemist is using 347 milliliters of a solution of acid and water. If 16.3 percent of the solution is acid, how many millileter

Katyanochek1 [597]

56.561 Milliliters

How:
347*.162 (Remember, percents are fractions)
=56.561

4 0

3 years ago

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For the given line segment, write the equation of the perpendicular bisector.

natta225 [31]

Answer:

$y=-0.8x-4.7$

Step-by-step explanation:

Let

$A(-6,-4), B(-2,1)$

we know that

The perpendicular bisector pass through the midpoint of AB

step 1

Find the midpoint AB

$M=((-6-2)/2,(-4+1)/2)$

$M=(-4,-1.5)$

step 2

Find the slope of the given line AB

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute

$m=\frac{1+4}{-2+6}$

$m=\frac{5}{4}$

step 3

Find the slope of the perpendicular bisector

we know that

If two lines are perpendicular, then the product of their slopes is equal to -1

$m1*m2=-1$

we have

$m1=\frac{5}{4}$ ----> slope of the given line

substitute in the formula

$\frac{5}{4}*m2=-1$

$m2=-\frac{4}{5}=-0.8$

step 4

Find the equation of the perpendicular bisector

we know that

The equation of the line into point slope form is equal to

$y-y1=m(x-x1)$

we have

$m=-0.8$

$M=(-4,-1.5)$

substitute

$y+1.5=-0.8(x+4)$

$y=-0.8x-3.2-1.5$

$y=-0.8x-4.7$

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3 years ago

Factor out coefficient 4n-3

vodomira [7]

$4n-3 = \boxed {4 (n- \frac{3}{4} )}$

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3 years ago

A pet survey found that the ratio of dogs a cats is 2/5. Which proportion shows the number of dogs if the number of cats is 140?

Sonbull [250]

There are 56 dogs

2/5 = x/140

140 x 2 = 5 x x
280 = 5x
56 = x

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4 years ago

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What's a pair of equal ratios

Kruka [31]

Y= 2x + 2 and y= 2x - 1

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