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Sidana [21]
3 years ago
14

How do you solve for X ax-x=c

Mathematics
1 answer:
MArishka [77]3 years ago
8 0
Factor out the "x"  and you'll have:
x(a-1) =c \qquad /:(a-1) \\ x=\frac{c}{a-1} \qquad \qquad  a\neq 1
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A sports store is having a 20% off sale on skis. The original price of the ski is $560.00
attashe74 [19]

Answer:

Total cost: 486.080$

Step-by-step explanation:

Original Price: 560.000$

Sale: 20%

Discount: 560.000$ * 20% = 112.000$

Discounted Price: 560.000$ - 112.000$ = 448.000$

Tax Rate: 8.5%

Tax: 448.000$ * 8.5% = 38.080$

Tax after Tax: 448.000$ + 38.080$ = 486.080$

7 0
3 years ago
Solve the following system by using the elimination method.<br> 2x + 2y = 8<br> 4x - 2y = 10
Rudik [331]
X = 3
y = 1

You can get this by adding straight through and the y terms will cancel. Then divide the x terms to get the answer. You can then plug that x into either equation to solve for y. 
6 0
3 years ago
Read 2 more answers
the length of a rectangle is twice its width. the area of the rectangle is 32 square feet. what are the length and width? which
SSSSS [86.1K]
Work shown above!

Length would be 8 feet

Width would be 4 ft

Equation would be either:
Area = 2w^2 or
32 = 2w^2 which is the same thing except area was replaced with it's actual number

4 0
3 years ago
Read 2 more answers
In a sale there is 25% off all prices a bed costs £33 how much was it before the sale ?
VladimirAG [237]
100% - 25% = 75%
75% = $33
________ : 3
25% = $11
________ × 4
100% = $44
4 0
3 years ago
The amount of time a certain brand of light bulb lasts is normally distributed with a
Alisiya [41]

Answer:

23.47 %      ( or .2347)

Step-by-step explanation:

780    is    20/50 = .4   for z score - .4

810     is    10/50 = .2       z-score = .2

 Use z-score table         .5793 - .3446 = .2347     23.47%

4 0
2 years ago
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