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Semenov [28]
3 years ago
12

Use substitution to solve the system. x = 3y + 8 3x + 5y = 10

Mathematics
1 answer:
Alex Ar [27]3 years ago
6 0
The answer should be (5,-1)
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According to the Centers for Disease control and prevention, 20.8 of high school students currently use electronic cigarettes. A
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Answer:

H0 : p = 0.028

H1: p > 0.028

We conclude that there is not enough evidence to support the school counselor's claim they the use of electronic cigarettes in high school is higher Than 2.8%

Type 11 error

Step-by-step explanation:

H0 : p = 0.028

H1: p > 0.028

If null should not be rejected then;

We conclude that there is not enough evidence to support the school counselor's claim they the use of electronic cigarettes in high school is higher Than 2.8%

3.)

If the actual proportion is 0.034, which means 3.4%, this means it is actually higher. For failing to reject a false Null, then a type 11 error has been committed

6 0
3 years ago
Help with math please
MakcuM [25]

Answer:

You are correct,y = 0.

Step-by-step explanation:

y = 4 x -3 + 12

y = -12 + 12

y = 0

Hope that helps!

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3 years ago
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Answer:

- 3(x + 3x) \\  - 3x - 9x =  - 12x \\ the \: answer =  \:  - 12x

please give brainliest

4 0
3 years ago
A 6-pound bag of sugar contains 681 one-teaspoon servings and costs $4.49. A batch of muffins uses 1 cup of sugar. How many whol
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2. Which of these describes a unique polygon?
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