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DedPeter [7]
3 years ago
10

15.5z = −77.5 ? What does the z stand for? (Show all work if possible!!) Thank you

Mathematics
2 answers:
musickatia [10]3 years ago
7 0

Answer:

15.5z=-77.5

add 77.5 and you’ll get 93z z=93

Step-by-step explanation:

if the z is with a number than that’s the answer

MissTica3 years ago
6 0

im done with dis

Step-by-step explanation:

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A pair of skis was discounted 20%. How many percent will the discounted price have to be increased to return to the original pri
denis-greek [22]

Answer:

25%

Step-by-step explanation:

Let the original price of A pair of skis be $100

discount given on A pair of skis = 20% on original price

discount value of A pair of skis in $ = 20% * $100

                   =  (20 * 100)/100 = $20

discounted price of A pair of skis =  original price - discount = 100 -20 = $80

in order to increase discounted price to original price of $100

there must be increase of $20 to discounted price which is $80

percentage increase on discounted price   to return to the original price =

(increased \ amount / discounted \ price) * 100 \\=>( 20/80) * 100 =  25\\

therefore 25% must be increase on discounted price to return to the original price

6 0
3 years ago
How do you put an equation in slope-intercept form into standard or point-slope form?
RSB [31]

Answer:

Write in slope-intercept form,  y = m x + b

y=mx+b.

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Step-by-step explanation:

8 0
3 years ago
Find the domain and range of the graph
ozzi

9514 1404 393

Answer:

  • domain: [-6, -1)
  • range: [-5, 4]

Step-by-step explanation:

You have correctly determined the domain to be from x = -6 to x < -1. In interval notation, that would be ...

  [-6, -1)

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The range is the vertical extent of the graph. It extends from a minimum of y = -5 to a maximum of y = +4 at the top of the curve. In interval notation, that would be ...

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8 0
2 years ago
Omg someone pleaseeee help me!!! 30 points!!!
Crank

add the volume of a cone, V=1/3 pi times radius squared times h. The volume of the cone is V=355. Then you add the volume of the cone to the volume of the cylinder. the formula for the volume of a cylinder is V= pi times radius squared times h. So the volume of the cylinder will be V=923. if you add those two together the overall volume is 1,278.

8 0
3 years ago
How do you calculate the midpoint of question e)? I am very desperate. please help
andrey2020 [161]

Answer:

(-1,-1)

Step-by-step explanation:

Midpoint equation: (\frac{x_2+x_1}{2}, \frac{y_2+y_1}{2})

= (\frac{-5/2+1/2}{2},\frac{-1/2-3/2}{2} )

= (\frac{-2}{2},\frac{-2}{2})

=(-1,-1)

Use the formula and plug it in :)

7 0
2 years ago
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