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vodka [1.7K]
3 years ago
7

PLEASE HELP!!! Thanks in advance!! Henry is a ringmaster for the circus. He stands inside a circular circus ring that has a circ

umference of 3π meters. What is the area of the circus ring in square meters?
Mathematics
1 answer:
Andreas93 [3]3 years ago
3 0

Circumference  =   2pi  * r

So

3pi   =  2pi  r               divide  away pi

3  =  2  r

(3/2)  =  r    =   1.5 m

Area  =  pi  ( r^2)   =   pi  (1.5)^2   =   2.25 pi   m^2   ≈  7.07  m^2

cited from web2.0calc

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The area of a triangle is 30 square feet. If<br> the base is 4 feet, then what is the height?
ExtremeBDS [4]
Height=15

Explanation:
Area of a triangle= 1/2base x height
Plug in information
30=1/2 x 4 x h
Solve 1/2 x 4 = 2
30= 2 x h
Divide both side by two
30/2=2 x h/2
Solve:
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6 0
3 years ago
When a force of 30 N acts on a certain object the acceleration of the object is 5m/s2 if the force is changed to 54 N what will
PtichkaEL [24]

Answer:

The correct answer is 9 m per second^{2}

Step-by-step explanation:

Force is defined by mass of an object times it's acceleration.

Let the mass of the object be m kilograms.

When a force of 30 N acts on a certain object the acceleration of the object is 5 m per second^{2}

∴ 30 = m × 5

⇒ m = 6.

If the force is changed to 54 N, let the acceleration of the object be x  m per second^{2}.

∴ 54 = m × x

⇒ x = \frac{54}{6} = 9

Thus when the force is 54 N, the acceleration of the object is 9 m per second^{2}.

6 0
4 years ago
2 people answer this so i can give one of you brainliest2 people answer this so i can give one of you brainliest2 people answer
Furkat [3]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
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55% of 6th grade students voted in the student election. 440 sixth grade students voted in the student election. How many total
Ne4ueva [31]

Answer:

800. Here's why:

Step-by-step explanation:

This indicats that 440 students make up 55% of the 6th grade population. We can write this as

55/440.

We also know that 'x' total students make up 100% of the 6th-grade population, so we can write this as

100/x.

55/440 must be equal to 100/x. When cross multiplied, it becomes 50x=44000. If we divided each side by 50, we'll find that x=880. Therefore, there are 800 6th graders

8 0
3 years ago
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An algebraic expression that represent how much Mr. Green paid in all is 3(m + 1) + d

<h3 /><h3>Pet fish</h3>

The following represents the items bought

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The expression that represents the items in a bag is:

Bag=m + 1\\

He bought 3 bags.

So, the total spent on pet fish is:

Total =3(m + 1)

<h3>Fish food</h3>

A box costs d dollars.

This means that, the total amount Mr Green spent in the store is:

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Read more about algebraic expressions at:

brainly.com/question/4344214

7 0
3 years ago
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