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allsm [11]
3 years ago
15

The measure of angle x= _ degrees

Mathematics
2 answers:
SpyIntel [72]3 years ago
7 0

Answer:

X=90°

Y=37°

Z=53°

Step-by-step explanation:

Y=Alternate angle

X=Right angle

Z=Angles in a triangle add up to 180°

Alenkasestr [34]3 years ago
7 0

Answer:

A)

Step-by-step explanation:

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Identify the type I error and the type II error that corresponds to the given hypothesis. The proportion of people who write wit
iren [92.7K]

Answer:

For the type I error, it's option D

For the type II error, it's option B

Step-by-step explanation:

A) A type I error is when we reject the null hypothesis even if it is true.

Let's set up the two hypotheses;

Null Hypothesis:

H0: p = 0.15

It represents: "The proportion of people who write with their left hand is equal to 0.15."

Alternative Hypothesis:

H1: p ≠ 0.15

In English: "The proportion of people who write with their left hand is different from 0.15" i.e not equal to 0.15

If we make a type I error, then it means we reject H0 (the null hypothesis) and go with the alternative hypothesis (H1). However, the reality is that H0 was the true hypothesis all along.

Thus, we reject the claim that the The proportion of people who write with their left hand is equal to 0.15 when in reality the proportion is actually 0.15

This means the answer for the first part is Option D

B) A type II error is when we fail to reject the null and must "accept" the null; however, the reality is that the alternative hypothesis was the true hypothesis. Hence, making a type two error means we reject the second hypothesis and make a mistake in doing so.

If we make a type II error, then we fail to reject the claim that proportion of people who write with their left hand is equal to 0.15, when the proportion is actually different from 0.15

Thus, he answer is Option B

7 0
3 years ago
Thank you for your time
malfutka [58]

Answer:

m∠5= 130°

Explanation:

If lines A and B are parallel we can assume that the angles in the same locations are equal

6 0
3 years ago
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A windowpane is 28 centimeters by 96 centimeters. What is the distance between opposite corners of the windowpane? ( In cm)
melisa1 [442]

Answer:

100 cm

Step-by-step explanation:

Using the Pythagore theorem :

Imagine that your window is a triangle, and that the distance you search is AC

So you have :

AC² = AB² + BC²

AC² = 28² + 96²

AC² = 784 + 9216

AC² = 10000

AC = √10000

AC = 100

8 0
3 years ago
If x= 9 and y= 1589<br> Then find x+yf
Delvig [45]

The answer is :

9+1589(f)

4 0
3 years ago
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Pls help me i will make u brainest
Naya [18.7K]

Answer:

12 sapphires

Step-by-step explanation:

Let's call the number of sapphires x. This means the number of rubies is the total number of gems minus x, or 17-x.

# of Sapphires: x

# of Rubies:17-x

A sapphire is worth 5 (gold coins) each, and a ruby is worth 8.

We also know the total amount of money is 100 coins, so

5*x+8*(17-x)=100

5x+136-8x=100

-3x=-36

x=12

Remember:

# of Sapphires: x

# of Rubies:17-x

...so Lara found 12 sapphires and 17-12=5 rubies.

3 0
2 years ago
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