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Sveta_85 [38]
3 years ago
13

HELLPPP!!!!!!!!!!!!!!!Liz's resting heart rate is 64 beats per minute. During a recent workout, she measured her heart rate to b

e 112 beats per minute. By what percentage did her heart rate increase during her workout?
Mathematics
2 answers:
svetoff [14.1K]3 years ago
8 0

Answer:

57.4

Step-by-step explanation:

kkurt [141]3 years ago
5 0

Answer:

75%

Step-by-step explanation:

do you need the work?

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I NEED AN ANSWER PLEASE :(((
Alekssandra [29.7K]

Answer:

80 lemons

Step-by-step explanation:

Let x represent the amount of lemons that were on the tree.

We can use this to set up an equation:

40\%x=32

Note that percentages can also be written as that number over 100.

\frac{40}{100}x=32

Simplify the fraction.

\frac{2}{5}x=32

Multiply both sides by 5

2x=160

Divide both sides by 2

x=80

There were 80 lemons on the tree before he picked the lemons.

6 0
3 years ago
An aircraft has a maximum of 30 first class seats and 220 economy seats.
guajiro [1.7K]

Answer:

x<y first inequality

x>y second inequality

x=y third inequality

5 0
4 years ago
Explain the steps for dividing decimals. Write three or four sentences.
ryzh [129]

Answer:

1.First Move the decimal point in the divisor and dividend.

2.Place a decimal point in the quotient (the answer) directly above where the decimal point now appears in the dividend.

3.Divide as usual, being careful to line up the quotient properly so that the decimal point falls into place.

Step-by-step explanation:

I got it from google tbh

8 0
3 years ago
Read 2 more answers
Plz answer below 38 pts and will mkae u brainliest.
mestny [16]

Answer:

Question 1: She needs 12 blue beads and 48 black beads.

Question 2: She needs 10 blue beads and 25 black beads.

Step-by-step explanation:

I used ratios

question one's ratio is 3:12 and the second one's ratio is 4:10. If you keep that ratio consistent than those are the numbers you get based on the number of beads long she wants her necklace.

that's my best guess

7 0
3 years ago
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.64 before the discount, and
OLEGan [10]

Answer:

  $82.57

Step-by-step explanation:

The tip they leave is ...

  $78.64 × 0.20 = $15.73

The amount of the discount is ...

  $78.64 × 0.15 = $11.80

Then the total cost of the meal and tip is ...

  meal price - discount + tip

  $78.64 -11.80 +15.73 = $82.57

6 0
3 years ago
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