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SpyIntel [72]
2 years ago
6

How many times would you expect your heart to beat in 25 seconds? ____________

Mathematics
2 answers:
gladu [14]2 years ago
6 0

Answer:

60 seconds i think 100 and 120 would be will 200

Step-by-step explanation:

wel2 years ago
3 0
I thing it’s right 120 seconds
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irina1246 [14]
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3 years ago
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Need help with questions 18,20, and 22 please and thank you
Tatiana [17]

Answer:

18. x² + x - 4

20.  \frac{x^{2} +2x-3}{x+1} or  x + 1 - \frac{4}{x+1}

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Step-by-step explanation:

For some reason my work was unable to be submitted so please see attachment for detailed explanation

6 0
3 years ago
A cyclist rides his bike at a speed of 21miles per hour. What is this speed in miles per minute? How many miles will the cyclist
AveGali [126]

Answer:

.35 miles per minute

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Step-by-step explanation:

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7 0
3 years ago
The question is in the picture​
otez555 [7]

Answer:

x=27.8

Step-by-step explanation:

first, you need to find y. 2y-5=65. 65+5 is 60 and you are left with 2y=70. to get the 2 off of the y you divide everything by 2. 70/2 is 35 therefor y=35. Now you plug that into the other equation (2x+y) and get 2x+35 which is equal to segment 90.6 so 2x+35=90.6. subtract 35 on both sides and you have 2x=55.6. To get the 2 off the x, we divide everything by 2. all of that divided by 2 is x=27.8

5 0
2 years ago
PLEASE HELP ME I DONT UNDERSTAND
drek231 [11]

Answer:

\frac{v}{-9} < -18 or v ÷ -9 < -18

Step-by-step explanation:

"The quotient" means that it is a division problem. That means you have to divide.

Less than is a symbol that stands for *The number is less than the other number*

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3 years ago
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