Ask question

Ask question

All categories

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?

1 answer:

miskamm [114]3 years ago

7 0

Answer:

39%

Step-by-step explanation:

Hope this helped!

You might be interested in

There are 2 squares and 10 triangles. What is the simplest ratio of squares to triangles

kipiarov [429]

Answer:

1/5

Step-by-step explanation:

2 squares to 10 traingles is 2/10

But if you divide both top and bottom by 2, it simplifies to 1/5

8 0

3 years ago

Caroline incorrectly answered the following problem: Which ordered pair would NOT appear as a solution for the linear equation y

Nady [450]

-6=-4(1)-2
-6=-4-2
-6=-6

The ordered pair still works.

3 0

3 years ago

Tyler’s brother earns $10 per hour. The store offers him a raise—a 5% increase per hour. After the raise, how much will Tyler’s

VashaNatasha [74]

Answer:

10.5 Dollars an hour

Step-by-step explanation:

If he is making 10 dollars an hour then to represent the raise, you would multiply 10 by 5% and add the result onto 10 to get how much he will be making per hour. In this case, 10 x 1.05 would be the equation.

5 0

3 years ago

Which equation best matches the graph shown below?

n200080 [17]

Answer:

y= 0.2(x+1)^2+5 (Bottom left answer)

Step-by-step explanation:

Hope this helps :)

6 0

3 years ago

Write a linear equation for the statement below:

liberstina [14]

Answer: y = $\frac{-19}{2} x + \frac{219}{2}$

Step-by-step explanation:

1. Find the slope

2. Substitute the slope, along with x and y coordinates into linear equation to solve for y-intercept

3. Write equation

I'm kind of late but if you need more help, feel free to ask :)

6 0

3 years ago