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Harlamova29_29 [7]
3 years ago
5

Help please time limit...Amanda is choosing between two exercise routines.

Mathematics
1 answer:
Marina86 [1]3 years ago
7 0

Amanda must spend more than 8 minutes on Routine #1 to burn more calories than Routine #2.

Step-by-step explanation:

Routine # 1;

Calories burned in running = 15.5 per minute

Let,

t be the minutes spent running.

T = total calories burned

T = 15.5t

Routine # 2;

Calories burned while walking = 22 calories

Calories burned while running = 12.75 per minute

T = 12.75t + 22

For burning more calories in Routine 1;

Routine 1 > Routine 2

15.5t>12.75t+22\\15.5t-12.75t>22\\2.75t>22\\

Dividing both sides by 2.75

\frac{2.75t}{2.75}>\frac{22}{2.75}\\t>8

Amanda must spend more than 8 minutes on Routine #1 to burn more calories than Routine #2.

Keywords: linear inequality, division

Learn more about division at:

  • brainly.com/question/9136949
  • brainly.com/question/909890

#LearnwithBrainly

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Answer:

She will be able to cut approximately 2 yards off and still have 1 yard.

Step-by-step explanation:

Because 3-2=1 so there would be 1 yard left.

4 0
3 years ago
Partially factored form: f(x) = (x − 3)(x 3)(x2− 4x 5) use the quadratic formula to identify the zeroes of x2 − 4x 5. x =
Dimas [21]

Answer:

2 ± i

Step-by-step explanation:

by 5, I assume you mean +5

x² - 4x + 5 = 0

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x = (4 ± (√(16 - 20)) / 2

x = (4 ± (√(-4)) / 2

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8 0
2 years ago
At what rate per annum does the compound interest of Rs 576 becomes to Rs 153 in 2 years
ArbitrLikvidat [17]

Answer:

The value of rate per annum is R = 12.5 %

Step-by-step explanation:

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Amount after 2 years = 576 + 153 = 729

We know that

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Put all the values in above equation

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This is the value of rate per annum.

4 0
3 years ago
Brooklyn is starting a running plan to train for a race . In the first week of her running plan , Brooklyn will run 8 miles . Th
Elanso [62]

Answer:

36.5 miles

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Please help me, I don’t understand how I keep getting it wrong!
GenaCL600 [577]

9514 1404 393

Answer:

  1.2 t/m³

Step-by-step explanation:

1 tonne is 1 Mg = 10⁶ g

1 m³ is (100 cm)³ = 10⁶ cm³

The conversion is ...

  (1.2 g/cm³) · (1 t)/(10⁶ g) · (10⁶ cm³)/(1 m³)

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For this conversion, the numerical value does not change. Megagrams per cubic meter is the same ratio as grams per cubic centimeter.

6 0
2 years ago
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