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Orlov [11]
2 years ago
7

The graph shows the relationship between James’s resting heart rate and the number of hours he exercises per day. For every hour

of exercise, James’s resting heart rate decreases by about (1,5,15,20) beats per minute. His resting heart rate is about (50.5, 70, 77.5,82.5) beats per minute when he exercises 4 1/2 hours a day.

Mathematics
2 answers:
Umnica [9.8K]2 years ago
7 0

Answer:

decreases by about 5 beats per minute

His resting heart beat is about 80 beats per minute

Step-by-step explanation:

sweet-ann [11.9K]2 years ago
6 0

Answer:

dude im in 8th grade and im getting college math no wonder i have a D-

Step-by-step explanation:

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Tomas makes a balloon sculptures at a circus. In 180 minutes, he uses 253 balloons to make 36 identical balloon sculptures.
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Simplify 25p^6q^9 / 45p^8q^4. write answer using a positive exponent
sleet_krkn [62]

The simplification of 25p^6q^9 / 45p^8q^4 using a positive exponent;

  • Division is 5p^6 q^9 / 9p^8 q^4
  • Elevated form is  5/9 p^-2 q^5

<h3>What are algebraic expressions?</h3>

Algebraic expressions are expressions made up of factors, variables, terms, coefficients and constants.

They are also comprised of arithmetic operations such as addition, subtraction, multiplication, division, etc

We also know that index forms are also know as standard forms.

They are mathematical expressions showing the power of exponent of a variable in terms of another variable.

Given the index algebraic forms;

25p^6q^9 / 45p^8q^4

Using the rule of indices, we take the negative exponent of the divisor and multiply through.

We have;

5p^6 q^9 × 9p^-8 q^-4

Add exponential values

5/9 p^6-8 q^9 -4

5/9 p^-2 q^5

Thus, the expression is simplified to 5/9 p^-2 q^5

Learn more about index forms here:

brainly.com/question/15361818

#SPJ1

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