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pychu [463]
2 years ago
9

the ruby throated hummingbird has a wing beat of about 200 beats per second. about how many wing beats would a humming bird have

in 3 seconds
Mathematics
1 answer:
lubasha [3.4K]2 years ago
5 0
600.....................
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What is the solution of the system? Use substitution.
trasher [3.6K]

Hi

4x-y=5

3x-7=2

We need to solve 3x-7=2 for x

Let's start by adding 7 to both sides

3x-7+7=2+7

3x=9

Now just divide both sides by 3 so we can find the value for x

3x/3=9/3

x=3

Now substitute 3 for x in 4x-y=5

4x-y=5

(4)(3)-y=5

-y+12=5

Now add -12

-y=12-12=5-12

-y=-7

Divide both sides by -1 so we can eliminate the negative sign

-y/-1=-7/-1

y=3

The answer is A

(3,7)

I hope that's help:0

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3 years ago
How to multiply 18 3/8 x 1/4
user100 [1]
Decimal Form: 
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Exact Form:     
<span>147/32</span><span> 

</span>Mixed Number Form: <span>4 19/32</span>
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kolbaska11 [484]

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2 years ago
What is the answer to the question
JulijaS [17]
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Iris has 120 songs on her playlist. Each week, she downloads 4 new songs.
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Answer:

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