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s2008m [1.1K]
3 years ago
5

Is the answer a b c please help

Mathematics
1 answer:
satela [25.4K]3 years ago
8 0

Answer:

B, you were right

Step-by-step explanation:

15*5=75

1125/75=15

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A solution is heated from 0°C to 100°C. Between 0°C and 50°C, the rate of temperature increase is 1.5°C/min. Between 50°C and 10
muminat

Answer:

0.6 °C/min

Step-by-step explanation:

The relationship between rates and movement is ...

time = distance/speed

Here, the "distance" is measured in °C, and the "speed" is the rate of change of temperature.

For the first half of the heating, the time required is ...

(50°C -0°C)/(1.5 °C/min) = 50/(3/2) min = 100/3 min

For the second half of the heating, the time required is ...

(100°C -50°C)/(4/10 °C/min) = 50/(4/10) = 125 min

Then the total time is ...

((100/3) +125) min = (475/3) min

And the average rate of temperature increase is ...

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= (100°C -0°C)/(475/3 min) = 300/475 °C/min = 12/19 °C/min ≈ 0.6 °C/min

4 0
3 years ago
What is the solution to 89+k=-42
fiasKO [112]
Subtract 89 from -42. k=-131
6 0
3 years ago
Read 2 more answers
Price-club sells a 12-ounce package of spaghetti noodles for $3.44 and Shop Mart sells a 2-pound box of spaghetti noodles for $8
Eva8 [605]

The unit price per ounce at Price club is $0.29 and the unit price per ounce at Shop Mart is $0.26

Step-by-step explanation:

Price of 12 ounce package at Price Club = $3.44

Unit rate per ounce = \frac{Price\ of\ package}{Weight\ of\ package}

Unit rate per ounce = \frac{3.44}{12} = \$0.29

Price of 2 pound box at Shop Mart= $8.35

1 pound = 16 ounce

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Unit rate per ounce = \frac{8.35}{32} = \$0.26

The unit price per ounce at Price club is $0.29 and the unit price per ounce at Shop Mart is $0.26

Keywords: unit rate, division

Learn more about division at:

  • brainly.com/question/4401748
  • brainly.com/question/4459688

#LearnwithBrainly

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3 years ago
Find values for θ that make each statement true (show steps)
Ksju [112]

Answer:

Step-by-step explanation:

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25 ° is in the between 0 and 90°

therefore it can simply represent

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40Ф = 2697

Ф = 2697 / 40 = 67.425 ≅ 67.4°

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The area of a
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area=l×w

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l=105/5

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perimeter=22

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2 years ago
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