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sp2606 [1]
3 years ago
11

After exercising, Malik checked his heart rate it was beating at 90 beats per minute. After 20 minutes he rechecked his heart ra

te it was 55 beats per minute. What is the percent decrease in his heart rate?
Mathematics
1 answer:
miskamm [114]3 years ago
7 0

Answer:

39%

Step-by-step explanation:

Hope this helped!

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Need help with this
m_a_m_a [10]

Answer:

4.3

Step-by-step explanation:

The area of a circle is pi(radius 2) So, the radius is just half of the diameter. The radius of the baseball is 1.5 and 1.5 x 1.5 x 3.14(pi) is 7.065. Then for the softball, 3.8/2 is 1.9, and 1.9 x 1.9 x 3.14(pi) is 11.3354 then 11.3354-7.065 is 4.2704 and that rounded, is 4.3

Hope this helped!❤

3 0
3 years ago
Ohio's license plates have 4 letters followed by 3 numbers. If the same number CANNOT be repeated, how many license plates can b
spin [16.1K]

Answer:

175,760, 000 plates

Step-by-step explanation:

There are 3 spots where there are 26 choices each

(=26^3)

and 4 spots where there are 10 choices each (the digits 0 through 9, =10^4). This gives:

26^3 x 10^4 = 175,760,000 plates

Hope this helps!

3 0
3 years ago
In the diagram below is a regular pentagon ABCDE, side EB is drawn.
Kaylis [27]

Answer:

BEA is 36° and BED is 72° therefore DAEB is 108°

8 0
3 years ago
Adan has cookies recipe that require 12 eggs for 3 batches of cookies. How many eggs are needed per batch for cookies?
skelet666 [1.2K]

Answer:24

Step-by-step explanation:

5 0
3 years ago
Two of the Rosen eggs in a carton are cracked. About what percent of the carton is not cracked.
Snezhnost [94]

i would say 10 because a dozen is 12 and you are mincing 2 so 12-2=10. hope this helps and have a good day


8 0
4 years ago
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