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Arlecino [84]
3 years ago
9

In a test(+5) marks are given for every correct answer and (-2) marks

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

2 numbers hope this helps

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Anzelm wants to burn 540 calories while jogging. Jogging burns about 12 calories per minute. When Anzelm goes jogging, he usuall
kow [346]

Anzelm wants to burn 540 calories while jogging. Jogging burns about 12 calories per minute.

he usually plans to stop and rest for about 5 minutes.

m  represents the total minutes.

12 calories per minute.

for m minutes the calories burn is 12m

He stop and rest for about 5 minutes. so we need to subtract 5 from total minutes

So expression becomes 12(m-5)

He wants to burn 540 calories. So we set the calories = 540

The equation becomes ,

12(m-5) = 540

Now we solve for m , total number of minutes

12(m-5) = 540(divide by 12 on both sides)

m - 5 = 45

m = 50 ( add 5 on both sides)

Anzelm should plan to be out jogging for 50 minutes






4 0
4 years ago
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Darnell is designing a new game. He will have 110 different-colored blocks in a bag. While a person is blindfolded, he or she wi
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110*0.6=66 blue blocks
110*0.1=11 green blocks
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3 years ago
A large bottle of shampoo is 20 centimeters tall and cylindrical in shape.
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<span>Hello.
</span><span>
1). Your radius is found by taking the square root of the quantity: volume divided by height divided by pi, </span><span>r=sqrt((V\H)\pi)</span>


Please let me know if you need additional help in private messages!
Thanks, 

-GeVontae the BRAINLY Team.
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In the​ after-school club, ​, ​, and knit scarves that are all the same size with​ yellow, white, and blue yarn. ​'s scarf is ​y
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Step-by-step explanation: your just duh and duh

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3 years ago
Give at least five problems solving about area of a sector of a circle.
Katyanochek1 [597]

See below for the examples of sectors and arcs of a circle

<h3>Area of sector of a circle</h3>

The area of a sector is calculated as:

A = \frac{\theta}{360} * \pi r^2 ---- when the angle is in degrees

A = \frac{\theta}{2} *r^2 ---- when the angle is in radians

Take for instance, we have the following problems involving sector areas

Calculate the area of a sector where the radius of the circle is 7, and

  1. The central angle is 30 degrees
  2. The central angle is π/12 rad
  3. The central angle is 90 degrees
  4. The central angle is π/4 rad
  5. The central angle is 180 degrees

Using the above formulas, the sector areas are:

1. A = \frac{30}{360}* \frac{22}{7} * 7^2 = 12.83

2.  A = \frac{\pi}{12} * 7^2 = 12.83

3. A = \frac{90}{360}* \frac{22}{7} * 7^2 = 38.5

4. A = \frac{\pi}{2} * 7^2 = 38.5

5. A = \frac{180}{360}* \frac{22}{7} * 7^2 = 77

<h3>Examples of arc length</h3>

The length of an arc is calculated as:

L= \frac{\theta}{360} * 2\pi r ---- when the angle is in degrees

L = r\theta ---- when the angle is in radians

Take for instance, we have the following problems involving arc lengths

Calculate the length of an arc where the radius of the circle is 7, and

  1. The central angle is 30 degrees
  2. The central angle is π/12 rad
  3. The central angle is 90 degrees
  4. The central angle is π/4 rad
  5. The central angle is 180 degrees

Using the above formulas, the arc lengths are:

1. L = \frac{30}{360}* 2 * \frac{22}{7} * 7 = 3.7

2.  L = \frac{\pi}{12} * 7 = 3.7

3. L = \frac{90}{360}*2 * \frac{22}{7} * 7 = 11.0

4. L = \frac{\pi}{4} * 7 = 11

5. L = \frac{180}{360}*2 * \frac{22}{7} * 7 = 22

<h3>Examples of the arcs of a circle</h3>

The examples include:

  • A parabolic path
  • Distance in a curve
  • Curved bridges
  • Pizza
  • Bows

Read more about arc and sectors at:

brainly.com/question/15955580

#SPJ1

5 0
2 years ago
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