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Alexandra [31]
2 years ago
11

What is the slope intercept form of the points -3,-10 and 5,14

Mathematics
1 answer:
Ksenya-84 [330]2 years ago
4 0

Answer:

y = 3x - 1

The slope intercept is -1.

To find the slope, do the formula (y sub2 minus y sub1)/(x sub2 minus x sub1) then reduce.

(14 - (-10))(5 - (-3)) = 24/8

24/8 = 3

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tatyana61 [14]

Answer:

Given:

Sample size, n = 640

Since result showed that 99.2​% of them would erase all of their personal information online if they could, we have:

P' = 99.2% = 0.992

Let's take p = 50%

Our null and alternative hypothesis will be :

H0 : u = 0.5

H1 : u > 0.5

In this case we are to check for the test statistic.

\frac{P' - p}{\sqrt{p(1-p)/n}}

= \frac{0.992 - 50}{\sqrt{50(1-50)/640}}

= 24.9

Test statistic, Z = 24.893

In conclusion, the results are significantly high, which suggets there is suffcient evidence to support the claim that most adults would erase all of their personal information online.

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3 years ago
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just olya [345]
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7 0
3 years ago
Two solutions of differently concentrations of acid are mixed creating 40 mL of a soul union that is 32% acid one-quarter of the
AleksAgata [21]

Answer: Three quarters (30 ml) is made up of a 36% acid solution.

Step-by-step explanation:

Since we have given that

Total amount of solution = 40 ml

One- quarter of the solution is given by

\frac{1}{4}\times 40\ ml\\\\=10\ ml

Three-quarter of the solution is given by

\frac{3}{4}\times 40\\\\=30\ ml

According to question, we have

10 ml of solution is made up of = 20% of acid solution

30 ml of solution is made up of = say<em> 'c </em>' of acid solution

40 ml of solution is made up of = 32 % of acid solution

So, our equation becomes,

10\times 0.2+30\times c=40\times 0.32\\\\2+30c=12.8\\\\30c=12.8-2\\\\30c=10.8\\\\c=\frac{10.8}{30}\\\\c=0.36\\\\c=36\%

Hence,  three quarters (30 ml) is made up of a 36% acid solution.

5 0
3 years ago
Is 1.9 &lt; 1.39 which comparison is true?
alexandr1967 [171]

Answer:

1.9 is greater than 1.39 if that's what your asking?

7 0
3 years ago
What and which at time are the maximum and minimum speeds in this function?
Svetach [21]

Answer:

the maximum is 12000 and the minimum is 0

Step-by-step explanation:

sorry if this doesn't answer your question

4 0
3 years ago
Read 2 more answers
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