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stiv31 [10]
3 years ago
9

You just priced what it would cost to buy vinyl floor tiles at the local tile store. They quoted you $3.29 per tile. When you we

nt home you found the same exact title for sale at an online outlet for $2.89 per tile. As a percentage, how much more expensive is the tile store's quote?
How would I do this and set it up to figure out the answer.
Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0
(3.29-2.89)/2.89 = .40/2.89 = .1384 or 13.84%
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Find the value of x and the value of y
steposvetlana [31]

Answer:

B.   x = 7, y = 4√2

Step-by-step explanation:

Drop a vertical from the upper left corner

This creates a rectangle and a 45-45-90 triangle

The bottom of the rectangle is 3

The legs of the triangle are 4

Therefor

x = 4 + 3

x = 7

For a 45-45-90 triangle

the hypotenuse = leg * √2

y = 4√2

4 0
3 years ago
Lucy wants to be exempt from her semester exam. In order for that to happen, she has to average an 85 over 3 test grades. Her fi
anastassius [24]

Answer:

<em>Grades to be scored in 3rd exam = 88</em>

Step-by-step explanation:

Given that average of 3 numbers is 85.

First two numbers are 81 and 86.

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Solution:

Let the third number = x

Formula for average is:

Average = \dfrac{Sum\ of\ numbers}{Total\ count\ of\ numbers}

Here, sum of numbers = 81+86+x =167+x

Total count of numbers = 3

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<em>Grades to be scored in 3rd exam = 88</em>

8 0
3 years ago
Just please help me, im trying to cram multiple things at once (house is crazy) and I just cant seem to concentrate and understa
Anastasy [175]
Y=31.2
X=15.6

I rounded both to the nearest tenth place.
5 0
3 years ago
Read 2 more answers
Jim earns $1,600 per month after taxes. He is working on his budget and has the first three categories finished. Why will he hav
marissa [1.9K]
What are the answers?
8 0
3 years ago
PLS HELP<br> THE SQUARE ROOT OF -17
jek_recluse [69]

Answer:

i√17 ≈ 4.123106i

Step-by-step explanation:

The square root of a negative number is "i" times the square root of its absolute value. It is an imaginary number.

_____

i is generally the symbol used for √(-1). In some fields, such as electrical engineering, where i has a different meaning, the symbol j may be used instead.

6 0
3 years ago
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