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padilas [110]
3 years ago
12

Can someone help me find this arc, please.​

Mathematics
1 answer:
alexira [117]3 years ago
6 0

Answer:

Arc AC = 90°

Step-by-step explanation:

Postulate:

The measure of an arc will ALWAYS be equal to the measure of the central angle of the circle.

The angle of arc AC is marked with a square.

That square mark means it is 90°.

So the arc would also measure 90°.

Cheers

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A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 404 gram setting. It
Nezavi [6.7K]

Answer:

There is no sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

We are given;

n = 27 bags

Sample mean;X = 402 gram

Population mean;μ = 404 gram

Variance = 676

We know that, standard deviation(σ) = √variance

Thus;

σ = √676

σ = 26

The hypotheses are;

Null hypothesis; H0: μ = 404

Alternative hypothesis; HA: μ < 404

Let's find the z-score from the formula;

z = (X - μ)/(√σ/n)

z = (402 - 404)/√(26/27)

z = -2.04

From the z-distribution table attached, we have a p-value of 0.02068

This is less than the significance value of 0.01 and thus we will reject the null hypothesis and conclude that there is no sufficient evidence to support the claim that the bags are underfilled

6 0
4 years ago
What's the ordered pair for point H in the graph above?
Bumek [7]

Answer:

C) (5,0)

Step-by-step explanation:

1. The correct answer is C) because when we move five units to right from the origin, and zero units up, we end up at point H!

6 0
3 years ago
Please help me with #8
Julli [10]
I believe it would be 1 aka F
7 0
3 years ago
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Find the un know value <br> diameter= 9.8<br> circumfrence=?<br> radius=?<br> it is question of pie
Monica [59]

The radius is 4.9 and the Circumference is 9.8π

Step-by-step explanation:

<u>Data:</u>

Diameter = 9.8

Circumference = ?

Radius = ?

<u>Radius</u>

Radius is half of the diameter so radius = \frac{diameter}{2}

Radius = \frac{9.8}{2}

Radius = 4.9

<u>Circumference</u>

Circumference = 2πr

Circumference = 2π(4.9)

Circumference = 9.8π

Therefore, the radius is 4.9 and the Circumference is 9.8π

Keywords: Circumference

Learn more about circumference at

  • brainly.com/question/2115496
  • brainly.com/question/3055705

#LearnwithBrainly

8 0
3 years ago
A spinner has 10 equal sections marked 1 through 10. You spin and land on a number
kumpel [21]

Answer:

100% chance of this happening.

Step-by-step explanation:

The chances of this happening = 100% because all the numbers are greater than 0.

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