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TEA [102]
2 years ago
5

A giant hummingbird can flap its wings at a rate of 13 flaps per second, how many times

Mathematics
1 answer:
antoniya [11.8K]2 years ago
8 0

Answer:

780 flaps per second

Step-by-step explanation:

just multiply 13×60

You might be interested in
The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. what would
svlad2 [7]

Answer:

The population in 2005 is 59,535 people.

Step-by-step explanation:

Annum means annually or yearly. We assume the rate has been consistent. To calculate percentage, take the percent in decimal form. 5% is 0.05 (like 17% is 0.17, and 50% 0.5). 5% is actually 5 hundredths of a number. Multiply this by the number you want the percentage of. 54,000*0.05=2,700. This is how much the population grows from 2003 to 2004.

There is a very common mistake people make after this, which is simply doubling that number and adding to the population. This is incorrect because if it grows 5% yearly, the yearly population CHANGES. The question would change if it were 2004 to 2005. Ask your teacher for clarification if this sounds wrong (if it is, do what I said above, the answer would be 59,400 people).

So, the population in 2004 is 54,000+2,700=56,700. Now, find 5% of the population in 2004 using the same method as before. 56,700*0.05=2,835. Add the growth to the pervious population. 56,700+2,835=59,535.

The population in 2005 is 59,535 people.

7 0
2 years ago
Please help!!<br> im not sure how to find the answer
Sophie [7]

Answer:

93

Step-by-step explanation:

Add: 67+41+91+68=267

Subtract: 360-267=93

Hope this helps

3 0
2 years ago
What makes 83 cents ?
Sliva [168]
83 Cents = 2 Quarters, 1 Nickel, 4 Pennies.

Glad I Could Help, And Good Luck!

~AnonymousGiantsFan~
6 0
3 years ago
Read 2 more answers
I need help with number 1
Ivan
The answer you have is good. You don't need to change anything.
3 0
3 years ago
I think I know the answer but I just want to double check.
Levart [38]
D would be the correct answer
8 0
3 years ago
Read 2 more answers
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