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elena-14-01-66 [18.8K]
3 years ago
8

A ruby throated hummingbird beat its wings about 53 times each second about how many times does a ruby throated hummingbird beat

its wings in 5 seconds
Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
3 0
You would cross multiply 53 times 5 and divide by 1
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R plus the sum of 7 and s
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Answer:

R+(7+s)

Step-by-step explanation:


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Problem: How many cubic yards of concrete must be ordered to pour the section
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Answer:

0.9 yd³

Step-by-step explanation:

Information given:

Length = 18 ft

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What to find/do:

First, convert the measurement from feet to yards. (3 ft = 1 yard)

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Next, find the volume of the shape given. The volume would give us the amount of concrete to use in yards.

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When a number is multiplied by itself and 2 is added to it, the result is 227. What is the number?​
Ede4ka [16]

Let number be x

\leadsto \sf {x}^{2} + 2 = 227

\\  \\

\leadsto \sf {x}^{2} = 227 - 2

\\  \\

\leadsto \sf {x}^{2} = 225

\\  \\

\leadsto \sf {x} =  \sqrt{225}

\\  \\

\leadsto \sf {x} =  \sqrt{15 \times 15}

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Number = 15

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