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3 years ago

A pair of sneakers on sale for 20% off if the discount is $26 what is the original cost of the the sneaker

Mathematics

2 answers:

Alexeev081 [22]3 years ago

6 0

The answer is $32.50.... good luck

zhenek [66]3 years ago

4 0

Answer:

$32.50

Step-by-step explanation:

$\frac{26}{y} :\frac{80}{100}$

y · 80 = 26 · 100

80y = 2600

80y ÷ 80 = 2600 ÷ 80

y = 32.5

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Find the distance between the points (5, -5) and (-7,4).

abruzzese [7]

Answer:

<h2>The answer is 15 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(5, -5) and (-7,4)

The distance between them is

$d = \sqrt{ ({5 + 7})^{2} + ({ - 5 - 4})^{2} } \\ = \sqrt{ {12}^{2} + ( { - 9})^{2} } \\ = \sqrt{144 + 81} \\ = \sqrt{225} \\ = 15 \: \: \: \: \: \:$

We have the final answer as

<h3>15 units</h3>

Hope this helps you

4 0

3 years ago

Lizette is training for a marathon. At 7:00 she left her house and ran until 8:30, then she walked until 11:30. She covered a to

Leokris [45]

<h3>Answer:</h3>

running speed: 8 mph
walking speed: 2 mph

<h3>Step-by-step explanation:</h3>

Let w represent Lizette's walking speed. Then her running speed is w+6. The relationship between speed, time, and distance is ...

distance = speed × time

Lizette ran for 1.5 hours, then walked for 3 hours. Her total distance is ...

(w+6)·1.5 + w·3 = 18

4.5w + 9 = 18 . . . . . simplify

4.5w = 9 . . . . . . . . . subtract 9

w = 2 . . . . . . . . . . . .divide by 4.5

Lizette's walking speed is 2 mph; her running speed is 8 mph.

6 0

3 years ago

Read 2 more answers

Simplify 4 to the 7th over 5 squared all raised to the 3rd power.

Radda [10]

First write out your original equation.
${(\frac{ {4}^{7} }{ {5}^{2} } ) }^{3}$
Then use the law of exponents(power of a power) to simplify.
$\frac{ {4}^{21} }{ {5}^{6} }$
(Multiply the numerator and denominator exponents by the outside power.)

The answer is 4 to the 21st over 5 to the 6th.

6 0

3 years ago

Which facts could be applied to simplify this expression? Check all that apply.

Lubov Fominskaja [6]

Answer:

i think ii first add 5x + x then you can remove the parentheses, group similar terms and add similar elements

Step-by-step explanation: