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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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How much do you earn per week if your annual salary is $40,716?
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Answer:

783

Step-by-step explanation:

There are 52 weeks in a year. Divide 40,716/52 and you get $783 weekly.

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2 years ago
The quadratic regression equation that models these data is y = –0.34x2 + 4.43x + 3.46. Using the quadratic regression equation,
arsen [322]

Answer:

13.76

Step-by-step explanation:

We want year 10; this means we substitute 10 in place of x:

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y = -0.34(100)+4.43(10)+3.46

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3 0
3 years ago
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On the day before an election in a large city, each person in a random sample of 1,000 likely voters is asked which candidate he
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It's not possible to reach a conclusion about who will vote candidate Taylor because this is a random sample and not a population census or experiment.

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It is impossible to reach a conclusion about the proportion of all likely voters who plan to vote for candidate Taylor because the 1,000 likely voters in the sample represent only a small fraction of all likely voters in a large city.

6 0
3 years ago
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Find each product or quotient. give all answers in simplest form. -8/12 x -2/13
SashulF [63]

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-8/12×-2/13

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7 0
2 years ago
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Perimeter of a rectangle is 52 feet. If the length is 10 less than 2 times the width, what is the width?
ella [17]

Step-by-step explanation:

Let the width be x feet.

Therefore, length = 2x - 10

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2(2x - 10 + x) = 52 \\ 2(3x - 10) = 52 \\ \therefore \:  3x - 10 =  \frac{52}{2} \\ \therefore \:  3x - 10 = 26\\ \therefore \:  3x = 26 + 10\\ \therefore \:  3x = 36 \\ \therefore \:  x =  \frac{36}{3} \\ \therefore \:  x =  12 \\ \purple{ \boxed{\therefore \: width \: of \: rectangle = 12 \: feet }}

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2 years ago
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