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Anestetic [448]
3 years ago
5

Solve the system of linear equations by substitution.

Mathematics
1 answer:
Bezzdna [24]3 years ago
3 0
For this you need to solve by elmination
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The graph represents a person's heart rate in beats per minute during 30 minutes of exercise.
Andrej [43]

Looking at the graph closely we can see that the heart rate increases from 0 to 6 min then became steady from 6 to 25 min then finally decreases from 25 to 30 min. Therefore the correct answer is:

“The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.”

 

In real life cardiac exercises, we can interpret that the period from 0 to 6 min is the period where the person is still warming up thus leading to an increase in heart rate. At 6 min, the person is fully warmed up hence reaching a stable heart rate. Then at 25 min, the person starts cooling down which means that the exercise is ending soon.

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2 years ago
Please help
dedylja [7]

Answer:

C ( 8,-6)

Because you move the points according to the rule.

6 0
2 years ago
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What is the scientific notation of 6174798604
lesantik [10]
Here is your answer:

Since their no zeros (0) here's your answer:

6.174798604×10^9
7 0
2 years ago
Please help thank u<br> i will give 15 points + branliest
FromTheMoon [43]

Answer:

the answer is d

Step-by-step explanation:

its the only answer that makes sense in my opinion

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3 years ago
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bulgar [2K]
I think it’s C if it’s wrong lmk and i can fix it
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