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Stels [109]
3 years ago
6

Use the image below to answer questions 5-7

Mathematics
1 answer:
bazaltina [42]3 years ago
3 0

Answer:

x=4

y=8

z=4

Step-by-step explanation:

The parallel sides with x are congruent

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The salary of teachers in a particular school district is normally distributed with a mean of $50,000 and a standard deviation o
Westkost [7]

Answer:

54,900

hope this helps!!

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3 years ago
Select the statements that are true of the least-squares regression model.
nasty-shy [4]

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B

Step-by-step explanation:

3 0
4 years ago
A baseball game is scheduled for Saturday. If it rains on Saturday, the game will be moved to Sunday. If it rains on Saturday an
Natalija [7]

Answer:

A. 18%

Step-by-step explanation:

For independent events:

P(A and B) = P(A) × P(B)

P = 0.30 × 0.60

P = 0.18

There is an 18% probability that it will rain on both days and the game will be canceled.

7 0
3 years ago
The following question find the value of the variables. If your answer is not an integer leave it in simplest radical form
Margarita [4]

Answer:

option 4

Step-by-step explanation:

using the sine/ cosine ratios in the right triangle and the exact values

cos30° = \frac{\sqrt{3} }{2} , sin30° = \frac{1}{2} , then

cos30° = \frac{adjacent}{hypotenuse} = \frac{x}{20\sqrt{3} } = \frac{\sqrt{3} }{2} ( cross- multiply )

2x = 20\sqrt{3} × \sqrt{3} = 20 × 3 = 60 ( divide both sides by 2 )

x = 30

and

sin30° = \frac{opposite}{hypotenuse} = \frac{y}{20\sqrt{3} } = \frac{1}{2} ( cross- multiply )

2y = 20\sqrt{3} ( divide both sides by 2 )

y = 10\sqrt{3}

3 0
2 years ago
Which is the best estimate for the percent equivalent to 3/8​
Doss [256]

Answer:

D. 38%

Step-by-step explanation:

3/8 as a percentage is 37.5% and that is rounded to 38%! :) 37% is close but it is not rounded making it not the best estimate, therefore it is not correct.

8 0
3 years ago
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