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Delicious77 [7]
3 years ago
11

Nancy is buying a new pair of boots. The store is having a sale and all boots are 20% off. Which expression represents the sale

price of the boots where x is the original price of the boots?
Mathematics
1 answer:
leva [86]3 years ago
3 0
There are two expressions that can work for this: 0.8x and x-0.2x Hope this helps :)
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How many solutions are there to the following system of equations? 3x-9y=0 -x+3y=-3​
Cloud [144]

Answer:

no solution

Step-by-step explanation:

if you graph both equation the lines are parallel.

parallel = no solution

overlap = infinite solution

intersect = one solution

4 0
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Find a rational and irrational number between 9.5 and 9.7.
pshichka [43]
So we know that it must be between 9.5 9.7.. So it has to be 9.56763865854637984... (rounded 9.57) it is irrational because it has no pattern.
7 0
3 years ago
Represent 0.533 (only the last 3 is bar number) into a rational number
weqwewe [10]

Answer:

\frac{8}{15}

Step-by-step explanation:

We require 2 equations with the repeating 3 placed after the decimal point.

let x = 0.5333.. ( multiply both sides by 10 and 100 )

10x = 5.333... → (1)

100x = 53.333... → (2)

Subtract (1) from (2) tus eliminating the repeating 3

90x = 48 ( divide both sides by 90 )

x = \frac{48}{90} = \frac{8}{15}

3 0
3 years ago
Simplify the algebraic expression <br> (10x2 + 11y) - (3x2 + y)
SSSSS [86.1K]

Answer: 7x squared + 10y

Step-by-step explanation:

5 0
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Read 2 more answers
Segment CD has endpoints at C(0, 3) and D(0, 7). If the segment is dilated by a factor of 3 about point C, what is the length of
Klio2033 [76]

The distance is dilated by a factor of 3, the length of the image of segment CD will be 4(3) which is 12 units

Given the coordinate of the segment CD with endpoints at C(0, 3) and D(0, 7) is expressed as:

D=\sqrt{(7-3)^2(0-0)^2}\\D=\sqrt{4^2}\\D = 4 units

If the distance is dilated by a factor of 3, the length of the image of segment CD will be 4(3) which is 12 units

Learn more here: brainly.com/question/22624745

3 0
3 years ago
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