2 years ago

Two quantities are proportional if they vary and have a constant ratio or unit rate.

Mathematics

1 answer:

madreJ [45]2 years ago

8 0

I think true but i could be so wrong

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Scott received $88.50 from a customer whose meal bill was $75. What percent tip did Scott receive? A. 12% B. 15% C. 18% D. 20%

Neporo4naja [7]

1st find out how much the tip was:
88.50 - 75.00 = 13.50

Now find the percentage 13.5 is of 75
13.5/75 x 100 = 18% (C)

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3 years ago

Darnell has 8 coins worth $1.80. If the coins are all quarters and nickels, how many quarters and nickels does he have?

Rudiy27

Answer:

7 quarters 1 nickel

Step-by-step explanation:

7 x.25= 1.75

1.75+ .05= 1.80

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2 years ago

the mean of four consecutive even numbers is 15.the greatest of these numbers is a1.the least of these numbers is a2.

Lady bird [3.3K]

Hello,

I suppose you want the 4 numbers.

Let's call the numbers $2n,2n+2,2n+4,2n+6$
$2n+2n+2+2n+4+2n+6[=8n+12=15*4\\
8n+12=60\\
8n=48\\
n=6\\\\
2n=12\\
2n+2=14\\
2n+4=16\\
2n+6=18\\
$

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2 years ago

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CAN U EXPLAIN HOW TO SOLVE THIS?!

Ivan

Find a right angle and multiply each side and then add them :) hope this helps

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2 years ago

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frozen [14]

The answer is segment CE=10

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2 years ago