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icang [17]
3 years ago
12

The amount a spring stretches varies directly as the weight of the object attracted to it. If an 8 ounce weight stretches a spri

ng 10 centimeters, how much weight will stretch it 15 centimeters
Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Answer:

Weight of <u>12 ounces</u> will stretch spring of 15 centimeters.

Step-by-step explanation:

Given:

The amount a spring stretches varies directly as the weight of the object attracted to it.

An 8 ounce weight stretches a spring 10 centimeters.

Now, to get how much weight will stretch it is 15 centimeters.

According to question:

<em>A spring of 10 centimeters stretches a weight of 8 ounce.</em>

<em>Then a spring of 1 centimeter stretches a weight of = \frac{8}{10}=0.8\ ounce.</em>

<em>So, a spring of 15 centimetres stretches a weight of = 0.8\times 15=12\ ounces.</em>

Therefore, weight of 12 ounces will stretch spring of 15 centimeters.

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This is esay to do when you realize the the speed of mowing is addtive. This is if John mows at 1 lawn / (2/3) hour and Gerge mows at 1 lawn /  1hour, the total speed of mowing is:

1 / (2/3) + 1 = 3/2 + 1 = 5/2

=> 5/2 of lawn per hour

Now, the time is calcualted as the amount of lawn divided by the speed:

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Answer: 2/5 of an hour.
8 0
3 years ago
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Consider the number line of x &gt; 28 which numbers are solutions of the inequality
Gelneren [198K]

Answer:

D and E because they are bigger than 28. C is 28 but there isn't a greater OR EQUAL sign next to it  

8 0
3 years ago
Please help i’m just trying to pass
boyakko [2]

Answer:

C- 2

Step-by-step explanation:

f(-2)=4x+10

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4 0
2 years ago
Reabilwe is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the
frosja888 [35]

The formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

We have Reabilwe who is conducting an experiment in which the temperature is measured carefully. The temperature was 106°C at the end of the first minute, and then it falls by 6°C every minute after that.

We have to tp determine a formula to calculate the temperature (T) after m minutes.

<h3 /><h3>Starting from x, if the bacteria count rises by 5 every second, then determine the formula to calculate the bacteria count after 30 seconds.</h3>

Initial count = x

Count increasing per second = 5

Assume that the bacteria count after t seconds is y. Then -

y = x + 5t

for t = 30 ↔ y = 150 + x

According to question, we have -

Initial Temperature = 106 degrees Celsius

Temperature increase per minute = 6 degrees Celsius

Assume that the Temperature fall after m minutes is T. Then -

T = 106 - 6m

Hence, formula to calculate the temperature (T) after m minutes is -

T = 106 - 6m

To solve more questions on Equation Modelling, visit the link below -

brainly.com/question/20876878

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1 year ago
If Besty has 14 t-shirts and 8 pairs of pants, the ratio of pants to t-shirts is?
vlabodo [156]

Answer:

4:7

Step-by-step explanation:

8 : 14

8/2 : 14/2

= 4 : 7

6 0
3 years ago
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