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arsen [322]
3 years ago
13

Write the equation of the line that passes through each pair of points (-2,0) (-1,-3)

Mathematics
1 answer:
Galina-37 [17]3 years ago
8 0

Answer:

y = − 3 x − 6

Step-by-step explanation:

I hope this helps you

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Can someone help me solve this question?<br> solve 54-10 ≥ 20+7x
Ostrovityanka [42]
54-10 ≥ 20+7x
44 ≥ 20 + 7x
44-20 ≥ 20-20 + 7x
24 ≥ 7x
24/7 ≥ 7x/7
3 3/7 ≥ x
7 0
3 years ago
Cup o’ Coffee buys its coffee for $1.25 a cup. The coffee shop then sells each cup for $3.75. What is the percent markup for a c
Fantom [35]

Answer:

47%

Step-by-step explanation:

.375 × .125 = .046875

rounding up, 5 keeps the 7 as is, 7 is greater than 5, therefore the 8, becomes a 9, 9 is greater than 5, so the 6 becomes a 7, .047.

move the decimal three digits to the left and you get, 47%.

Hope this helps brainlest? please

3 0
3 years ago
Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students r
BaLLatris [955]
<h2>Answer with explanation:</h2>

Let p be the population proportion  of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Given : Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive.

Set hypothesis to test :

H_0: p=0.39\\\\H_a :p\neq0.39

Sample size : n= 1055

Sample proportion : \hat{p}=\dfrac{466}{1055}=0.441706161137\approx0.44

Critical value for 95% confidence : z_{\alpha/2}=1.96

Confidence interval : \hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

0.44\pm (1.96)\sqrt{\dfrac{0.39(1-0.39)}{1055}}\\\\0.44\pm0.0299536805135\\\\0.44\pm0.03\\\\=(0.44-0.03, 0.44+0.03)\\\\=(0.41,\ 0.47)

Since , Confidence interval does not contain 0.39.

It means we reject the null hypothesis.

We conclude that 95​% confidence interval represents evidence that​ parents' attitudes toward the quality of education have changed.

8 0
3 years ago
I don’t understand this problem
Galina-37 [17]

Answer: 20

Step-by-step explanation:

a^2=b^2 - c^2. i think i could be wrong

6 0
3 years ago
PLEASE HELP
Murrr4er [49]
75 divided by 3 because for every 75 fish 3 are tagged 1,217 (rounded up from 1,216.6 repeating)
4 0
2 years ago
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