3 years ago

1. In the figure at the right, it is given

Mathematics

1 answer:

maw [93]3 years ago

7 0

I don’t have enough information to answer your question.

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find the circumference and the area of the circle with the radius 9m use the value 3.14 for it do not round your answer be sure

kirill [66]

Explanation:

The circumference and the are of a circle with radius r

are:

$\begin{gathered} A=\pi r^2 \\ C=2\pi r \end{gathered}$

If we use pi = 3.14 and the radius is 9m:

$A=3.14\cdot(9m)^2=3.14\cdot81m^2=254.34m^2$ $C=2\cdot3.14\cdot9m=56.52m$

Answers:

• Area: ,254.34 m²

• Circumference: ,56.52 m

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1 year ago

What is -2+6X= -8. x=<br>

Strike441 [17]

Answer:

$x=-1$

Step-by-step explanation:

So we have the equation:

$-2+6x=-8$

Add 2 to both sides. The left cancels:

$6x=-6$

Divide both sides by 6. The left cancels:

$x=-1$

So, the value of x is -1.

And we're done!

8 0

3 years ago

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A high school math class has 28 students: 18 seniors and 10 juniors. What is the probability that four randomly selected student

aniked [119]

Answer:

18/28, or percentage wise, approximately 64.2%

Step-by-step explanation:

Take the seniors and divide it by the total # of students, and you got your probability!

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3 years ago

Help me pleaseee! <br><br> Solve for BC:

Marrrta [24]

Answer:

Step-by-step explanation:

Since this is an equilateral triangle, all sides are equal.

3x-6 = 2x+3

Move like terms to one side

x = 9

Now we plug 9 back in for x

2(9) + 3

=18 + 3

=21

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3 years ago

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What does 5^3 mean or symbolize?

IrinaK [193]

5^3 is 5 to the power of 3 that is equal to 5x5x5=125

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3 years ago

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