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sergey [27]
3 years ago
9

What does - 12/s - 5 - 9w use s =4 and w = 3 equal

Mathematics
1 answer:
qwelly [4]3 years ago
5 0
Your answer would be -35.
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An item that was selling for $72.00 was reduced to $60.00. Find the percent decrease in price. Show all your work.
dsp73
The formula to figure out the percentage increase or decrease is: 
<span>(new - old) / old * 100% </span>

<span>new = 60 </span>
<span>old = 72 </span>

<span>(60 - 72) / 72 * 100% </span>
<span>-12 / 72 * 100% </span>
<span>= -1/6 * 100% </span>
<span>= -0.1666... * 100% </span>
<span>≈ -16.667% </span>

<span>Because it is negative, that's a decrease. </span>

<span>Answer: </span>
<span>A decrease of about 16.7%</span>
8 0
3 years ago
The radius of a semicircle is 17 millimeters. what is the semicircle's perimeter?
Maksim231197 [3]

Answer:

87.407

Step-by-step explanation:

circumference = 2*pie*r

= 2*pie*17

=106.8/2

=53.4

53.4+(17*2)

=87.4

4 0
2 years ago
Can someone pls help? can you add steps too
MrRissso [65]

Answer:

Well use a straight object to see if it is like a comb ir a brush.

Step-by-step explanation:

5 0
2 years ago
what is the slope of a line that is perpendicular to the line that contains points (5,4) and (-7,9). explain please
Luba_88 [7]

Answer:

\frac{12}{5}

Step-by-step explanation:

First find the slope of the line containing points (5,4) and (-7,9).  To find the slope use the formula \frac{y_{2} -y_{1}}{x_{2}-x_{1}}.  Putting those values in, you have

\frac{9-4}{-7-5}

Simplify

\frac{5}{-12}

-\frac{5}{12}

Then, to find the slope of the line perpendicular to that, find the negative reciprocal.  

\frac{12}{5}

3 0
3 years ago
You have 5 places left for pictures in your photo album and you have 8 pictures. How many different sets of 5 pictures can be se
kkurt [141]
4 is the answer I hope it helps
8 0
3 years ago
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