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amm1812
3 years ago
12

Answer this question to get marked as brainliest!!!!

Mathematics
2 answers:
daser333 [38]3 years ago
5 0

Answer:

The radius is 4.5

Step-by-step explanation:

Well circumfrence is basically

2πr=Circumference

In this case

2πr= 28.26

π is about 3.14

2*3.14*r=28.26

Now combine

6.28r=28.26

Now solve

r=4.5

Damm [24]3 years ago
4 0
The answer to this question is I think it’s the second one
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Answer:

Amount of sand=Area of triangle(ABC)=1/2*AB*BC

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Step-by-step explanation:

Given:

Pedro building a playground in shape of right angled triangle.

To Find:

How much sand he need to buy

And if playground changed to rectangle what will be the dimensions.

Solution:

<em>Consider a ΔABC be the play ground vertex of playground,</em>

<em>And AB and BC be the sides making right angle.</em>

The sand required to fill ground will be the amount of are covered by the ABC triangle.

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Area Of triangle(ABC)=1/2* base* height

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Therefore Area of Triangle(ABC)=1/2*BC*AB

Depending on the lengths of base and height amount of sand will be decided.

Now,

<em>For Rectangle dimensions,</em>

<em>We know that if same sized triangles composes each other forms a rectangle</em>.

It requires two triangle to form one rectangle as follows

(Refer the attachment)

Same sized Triangle ACD is imposed on it  to from rectangle ABCD.

So dimension for rectangle will be same as the triangle

Dimension=length and breadth

i.e. length=base of triangle=BC

Breadth=Height of triangle=AB

i.e Breadth =AB.

5 0
3 years ago
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Which of the following Functions is NOT Linear? A:f(x)=x+0.5 B:F(x)=-x+0.5 C: F(x)=x^2-0.5 D: f(x)=0.5x
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Answer:

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Step-by-step explanation:

When the x is squared it's a parabola. A linear graph is shaped like a straight line, while a parabola is curved inward. I have included a graph of what that function would look like (tap/click on it to see the full graph.)

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leonid [27]

Answer: 50

Step-by-step explanation:

3(50)-14=136

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3 years ago
Round ​$0.6848 to the nearest cent.
lora16 [44]
$0.68. When you round a number when it comes to decimals, you need to round to the nearest 100ths place. 
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