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ra1l [238]
3 years ago
11

Johanna ran a mile in physical education class. After resting for one hour, her heart rate were 60 bpm. If her heart rate decrea

sed by 2/5, what was her heart rate immediately after she ran the miles?
Mathematics
2 answers:
emmasim [6.3K]3 years ago
7 0

60 bpm = 3600 beats per hour

2/5= .4

Her heart rate decreased by .4

This means:  3600 = x * .4

x = 3600/.4

x=9000

Her heart rate was 9000 beats per hour OR

9000bph = 150 bpm

EleoNora [17]3 years ago
3 0
Hey heart rate was 100 BPM immediately after running.
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3 years ago
Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes
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Answer:

<u>The correct table is A.</u>

Correct statement and question:

Sarah sells beaded necklaces she makes a profit of $4 on every necklace she sells which table represents the profit Sarah makes.

A.

Necklaces Sold Profit $

 4                           16

 6                           24

 8                           32

10                          40

B.  

Necklaces Sold Profit $

 4                           8

 6                           10

 8                           12

10                          14

C.

Necklaces Sold Profit $

 4                           4

 6                           8

 8                           12

10                          16

D.

Necklaces Sold Profit $

 4                           16

 6                           20

 8                           24

10                          28

Source:

North Carolina Practice Test

Step-by-step explanation:

If Sarah makes a profit of $ 4 on every necklace she sells, then:

4 necklaces = 4 * 4 = $ 16

6 necklaces = 6 * 4 = $ 24

8 necklaces = 8 * 4 = $ 32

10 necklaces = 10 * 4 = $ 40

<u>The correct table is A.</u>

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Answer:

  7²b³

Step-by-step explanation:

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