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zhenek [66]
4 years ago
15

The ruby-throated hummingbird has a wing beat of about 200 beats per second. About how many wing beats would a hummingbird have

in 3 minutes
Mathematics
2 answers:
mars1129 [50]4 years ago
7 0
When you multiply 200 by 60, you get 12000. and you multiply that by 3 and you get 36000. so in 3 minutes it'd be 36000
aleksley [76]4 years ago
6 0
So,
To get how many wingbeats per minute,
200x60=12000 because there are 60 seconds in a minute
To get how many in 3 minutes,
12000x3=36000

Hope I helped!
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PLS<br> Write a real world problem for the inequality 8-2x≤5.
Hatshy [7]

Step-by-step explanation:

  • 8-2x<u><</u><u> </u><u>5</u>
  • -2x<u><</u>5-8
  • x<u><</u><u> </u>-3/-2
  • x<u><</u>1.5

hope it helps.

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3 years ago
A student is given a rock that is known to have a mass of 436.8 grams. She measures the mass of the rock three different times w
love history [14]
I’m not sure just need to answer questions to help me so sorry
5 0
3 years ago
Sally invests £8000 in a savings account. The account pays 2.8% compound interest per year work out the value of her investment
Alborosie

Answer: the value of her investment after 4 years is £8934.3

Step-by-step explanation:

The formula for determining compound interest is expressed as

A = P(1+r/n)^nt

Where

A = total amount in the account at the end of t years

r represents the interest rate.

n represents the periodic interval at which it was compounded.

P represents the principal or initial amount invested.

t represents the duration of the investment in years.

From the information given,

P = 8000

r = 2.8% = 2.8/100 = 0.028

n = 1 because it was compounded once in a year.

t = 4 years

Therefore,

A = 8000(1+0.028/1)^1 × 4

A = 8000(1+0.028)^4

A = 8000(1.028)^4

A = £8934.3 to the the nearest penny

6 0
4 years ago
Find the assessed value of a home with a market value of 88,000 if the assessement rate is 42%
dolphi86 [110]

(0.42)(88000)=36,960

8 0
4 years ago
WILL MARK BRAINLIEST!!! The men's costumes for an upcoming play cost $25.67 each, while the women's costumes cost $41.39 each. I
NeX [460]

Answer:

There is money left over. They have 48.98 dollars left.

Step-by-step explanation:

Men costumes in total cost $102.68 and women costumes in total cost $248.34. There budget it $400 so we add both the men and women costumes together which is $351.02 which means that they do have left over money. To find the left over money, we have to subtract $400 from $351.02 which is equal to $48.98.

4 0
3 years ago
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