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Sophie [7]
3 years ago
9

Which two lines are parallel: y=3x+2, y=3x+4, y+2x+4

Mathematics
1 answer:
sweet [91]3 years ago
7 0
Y=3x+2 and y=3x+4, because y in the second case will be=y+2 from the first case
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I'm so confused, pls help
Vera_Pavlovna [14]

Answer:

x = 14      D

Step-by-step explanation:

(18x + 36) / 3 = 6x + 12

6x + 12 = -16 + 8x

-6x .                -6x

12 = -16 + 2x

+16 . +16

28 = 2x

/2 .   /2

14 = x

8 0
2 years ago
Find the value of x.<br> A.<br> (2x-17)"<br> С
lora16 [44]
The answer would be X=34
8 0
2 years ago
1. Show work and find the value of the circumference of the circle with a 12 cm radius.
Virty [35]

Answer:

75.36

Step-by-step explanation:

3.14(pi) x 24(diameter) = 75.36(circumference)

5 0
3 years ago
According to a study conducted by an​ organization, the proportion of americans who were afraid to fly in 2006 was 0. 10. A rand
algol13

According to the the concept of hypothesis testing, there is no evidence that the proportion of Americans who are afraid to fly has decreased.

Hypothesis testing:

Basically, in math hypothesis, it test the population on the basis of the sample data taken from the population using a simple random sampling.

Given,

According to a study conducted by an​ organization, the proportion of Americans who were afraid to fly in 2006 was 0. 10. A random sample of 1300  Americans results in 117 indicating that they are afraid to fly.

Now, we need to explain why this is not necessarily evidence that the proportion of Americans who are afraid to fly has.

While we looking into the given question,

Sample size, n = 1300

Number of Americans who were afraid to fly, x = 117

Now, we have to computing the sample proportion of Americans who afraid to fly,

Therefore, p = 117 / 1300 = 0.09

Then the Formulation of Hypotheses is written as,

Here the Null Hypothesis: H0: p≥0.10

And the alternative Hypothesis: Ha: p<0.10

Then the Left-tailed test of Test statistic is written as,

Here Let us assume that the level of significance, α = 0.05.

Then the Critical value, z≈−1.645

And the Decision rule is written as

If the value of  |z|<|z0.05|≈1.645: Do not reject the null hypothesis.

Otherwise If value of  |z|≥|z0.05|≈1.645: Reject the null hypothesis.

To know more about Hypothesis testing here.

brainly.com/question/28920252

#SPJ4

5 0
9 months ago
Elliot earned $49 last month walking his neighbors dog. He earns $7 each time he walks the dog. How many times did Elliot walk h
Alekssandra [29.7K]

Answer:

7 times

Step-by-step explanation:

$49/$7 each time = 7 times

6 0
3 years ago
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