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bazaltina [42]
4 years ago
10

A dolphin's hearts beats 688 times in 6 minutes. Answer: about 100 times

Mathematics
2 answers:
skad [1K]4 years ago
6 0
The answer is 688000 because 688 x 100 is 688000
alukav5142 [94]4 years ago
4 0
More precisely it would be beating 114 times in a minute!
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ch4aika [34]

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3 years ago
How do you know that 5, 7, 8, 9, 10, and 11 are not factors of 12?
Mrrafil [7]

Answer :

Factors of 12 are

1  \times 12 \\ 2  \times  6 \\ 3  \times  4.

  1. 5 multiplied by any number can never give 12 . Multiples of 5 are
  2. 5 \: 10 \: 15 \: 20
  3. 7 multiples are
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6 0
3 years ago
Is y=2x+3 proportional
Nataly [62]

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Step-by-step explanation:

I calculated

7 0
3 years ago
Read 2 more answers
If a=-3/2 b=5/4 and c=7/8 prove that a(b+c) = ab +ac.<br> Thank you in advance
scoundrel [369]

Answer:

You would figure this out by the method of substitution

Step-by-step explanation:

a= -3/2

b= 5/4

c=7/8

a(b+c) = a(b)+a(c)

Substitute

-3/2(5/4 +7/8) = -3/2(5/4)+-3/2(7/8)

-51/16 =-51/16

8 0
3 years ago
Suppose a ball is dropped from a height of 6 ft. It bounces back up but each time it bounces, it reaches only 7/10 of its previo
MatroZZZ [7]
6
6 * 0.7 = 4.2
4.2 * 0.7 = 2.94
2.94 * 0.7 = 2.058
2.058 * 0.7 = 1.4406
1.4406 * 0.7 = 1.00842

4.2 + 4.2 + 2.94 + 2.94 + 2.058 + 2.058 + 1.4406 + 1.4406  = 
5 0
3 years ago
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