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Naya [18.7K]
3 years ago
14

A teacher surveys 30 students on the number of books they read over the summer. The data

Mathematics
1 answer:
aliina [53]3 years ago
7 0

Answer: 8

Step-by-step explanation:

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If 1 mile equals 5280 feet and an escalator moves at a rate of 2 feet per second. At what rate does the escalator move in miles
Sever21 [200]
Ratio=2 ft/s
ratio=2 ft/s * (1 mile / 5280 ft)*(3600 s / 1 h)=1.36363636.. miles/h≈1.36 miles/h.


Answer: 1.36 miles/h
6 0
2 years ago
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In a dog show , there will be a gold and a silver medal awarded. There are 5 finalist. In how many different ways can the 2 meda
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P(5,2) = 5!/3! = 20

in 20 ways you can give medals

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3 years ago
Of the $2400 Mr Calvin earned, he spent 3/8 on food, 1/3 on taxes and 1/6 on other expenses. Find out how much all this is in do
sattari [20]

Answer: $300

Step-by-step explanation:

Mr. Calvin earned  \$2400

He spent  \frac{3}{8} on food i.e.

\Rightarrow \dfrac{3}{8}\times 2400=\$900

\dfrac{1}{3}\quad \text{on taxes i.e.}\\\\\Rightarrow \dfrac{1}{3}\times 2400=\$800

\dfrac{1}{6}\ \text{on other expenses i.e.}\\\\\Rightarrow \dfrac{1}{6}\times 2400=\$400

Remaining money = 2400-900-800-400=\$300

So, he saved $300 after expenses

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3 years ago
What is the distance between the points (18, 39) and (3, 39) in the xy-plane?
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Answer:

C. 15 units,

Step-by-step explanation:

The y coordinates are both 39 so the line joining the 2 points is a horizontal line.

Distance = 18-3 = 15.

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