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Katena32 [7]
3 years ago
5

Hey there is a link! It would mean a lot if you would give me the awnsers to these 3 questions! It’s grade 7 math! Thanks, all y

ou need to do is simplify. Have a great day! ( will be marking brainlist!)
Mathematics
1 answer:
joja [24]3 years ago
5 0

Answer:

a

Step-by-step explanation:

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The circumference of a circle is 9 pi m. What is the area, in square meters? Express
Ksivusya [100]

Answer:

20.25 m²

Step-by-step explanation:

the area (A) and circumference (C) of a circle are calculated using the formulae

C = 2πr and A = πr² ( where r is the radius )

calculate the radius using the formula for circumference

2πr = 9π ( divide both sides by 2π )

r =  =  = 4.5, hence

A = π × 4.5² = 20.25π m²

8 0
3 years ago
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Given the relation (2,3), (4,7), (6,11), (x,3), which of the following values of x will make the relation function
Elan Coil [88]
As you said, (x,3) = (2,3)
So x = 2

Thank you very much.
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3 years ago
Determine whether the two expressions are equivalent. If so, tell what property is applied. If not, explain why. 10 ÷ 5 and 5 ÷
nikklg [1K]

Answer:

no, its not equivalent

Step-by-step explanation:

10/5= 2

5/10=0.5

5 0
3 years ago
A. ASA<br> B. SAS<br> C. SSS
julsineya [31]

You would use the method:

c. SSS

That is because since you were not given any angles and only sides of the window you could only prove this with three different sides.


7 0
3 years ago
After the z value is calculated, the ____________ is obtained from a table of z-scores.
antoniya [11.8K]
<span>The critical value will be established. This is the point at which the researcher can reject the null hypothesis because the value falls outside the bounds at which the result was due to random chance. Values inside this bound show that the result cannot be determined to be due to the variables, so they cannot be used to reject the null hypothesis.</span>
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4 years ago
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