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faltersainse [42]

3 years ago

6

Circle x has a circumference of 44cm

1 answer:

Tamiku [17]3 years ago

8 0

Answer:

https://youtu.be/q4EBfXlFXjw

this is the link of a video that can help , I promise I'm not trolling , this an actual video , just copy paste it somewhere and it may be of help to you, it's to find the diameter from circumference.

Step-by-step explanation:

once the diameter has been found , half it , and you have your radius , then for area use the formula , A = pi r² , and you have you now found Radius , Diameter and Area.

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Find the total cost to the nearest $115 tablet, 35% markup

Ymorist [56]

Answer:

40.25 I guess

Step-by-step explanation:

8 0

3 years ago

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(2,-4) is reflected across the x-axis. what are the coordinates of its image?

masha68 [24]

Answer:

(2, 4)

Step-by-step explanation:

When you reflect/flip over an axis, negate value of the opposite of it. Fox the X axis, negate the y value.

5 0

2 years ago

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A company advertises that its cans of caviar each contain 100 g of their product. A consumer advocacy group doubts this claim, a

Blizzard [7]

Answer:

The value of the test statistic is -3.14.

Step-by-step explanation:

Test statistic:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the expected value, $\sigma$ is the standard deviation and n is the size of the sample.

A company advertises that its cans of caviar each contain 100 g of their product.

This means that $\mu = 100$

They calculate a sample mean weight of 99 g and a sample standard deviation of 0.9 g. Sample of 8 cans.

This means that $X = 99, \sigma = 0.9, n = 8$

So the test statistic will be given by:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{99 - 100}{\frac{0.9}{\sqrt{8}}}$

$t = -3.14$

The value of the test statistic is -3.14.

8 0

3 years ago

The figure shows a line graph and two shaded triangles that are similar:

dlinn [17]

True:

3rd One

4th One

False: All of the others.

It's a straight line, so it is going to have straight qualities and straight inequalities throughout the graph.

8 0

3 years ago

If mZMNO = 95°, mZADC = 101°, and mZMLO = 80°, then what is m/ABC, in degrees?

dem82 [27]

Answer:

This is your answer.

Step-by-step explanation:

There are different kinds of angles:

Angles below 90= Acute

90= Right

91–179= Obtuse

180= Straight Angle

181–359= Reflex Angle

360= Complete Angle or Circle.

Because 80 degrees is less than 90 degrees, Angle ABC is an acute angle.

8 0

2 years ago