3 years ago

A new pair of sneakers is on sale for $99. They were 10% off the original price. What was the original price?

Mathematics

1 answer:

stepladder [879]3 years ago

6 0

Answer: $110

Explanation: 110 x .1 = 11
110 - 11 = 99

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Item 18 You and your friend are selling tickets to a charity event. You sell 7 adult tickets and 16 student tickets for $120. Yo

Jobisdone [24]

$4

You can get this by setting up 2 equations. One for you and one for your friend. Each should have a cost equation. Let x = adult and y = student.

You: 7x + 16y = 120
Friend: 13x + 9 = 140

Solve using any method.

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3 years ago

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Please help!!!!!!!!!!

Likurg_2 [28]

Answer:

yes

Step-by-step explanation:

1+3=4

4+3=7

7+3=10

and 10+3=13

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3 years ago

Linda is training for a half marathon.she ran 3 miles Monday,3 miles Tuesday,2 miles Wednesday how many miles did she run in tho

zepelin [54]

Answer:

Step-by-step explanation: 3+3+2=8

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3 years ago

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What are the dimensions of a rectangular box with a volume of 50b 3 + 75b2 - 2b - 3?

Inessa [10]

Answer:

$\large\boxed{(2b+3)\times(5b-1)\times(5b+1)}$

Step-by-step explanation:

The formula of a volume of a rectangular box:

$V=lwh$

l - lenght

w - width

h - height

$V=50b^3+75b^2-2b-3=25b^2(2b+3)-1(2b+3)\\\\=(2b+3)(25b^2-1)=(2b+3)(5^2b^2-1^2)\\\\=(2b+3)\bigg((5b)^2-1^2\bigg)\qquad\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=(2b+3)(5b-1)(5b+1)$

Therefore the dinemsions of thisp prism are:

$(2b+3)\times(5b-1)\times(5b+1)$

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Blababa [14]

Simplify the given expression as shown below

$\begin{gathered} 3x(4x^4-5x)=3x*4x^4+3x(-5x)=12x^5+(-15x^2) \\ =12x^5-15x^2 \end{gathered}$ <h2>Therefore, the answer is 12x^5-15x^2</h2>

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1 year ago