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Cerrena [4.2K]
2 years ago
5

How to count slope on linear equasions​

Mathematics
2 answers:
Naily [24]2 years ago
7 0

Answer:Do rise over run, maybe watch a tutorial on it, pretty simple method

Cloud [144]2 years ago
6 0

Answer:

there are only three simple steps (:

Step-by-step explanation:

1. identify the two points on the line

2. select one to be (x1, y,1) (rise over run) and the other to be (x2, y2)

3. use slope equation to calculate your slope (m=rise/run= y2-y2/x2-x1)

in the equation of a straight line (equation written y=mx+b) the slope is m and b is the y intercept. (where the line crosses the y axis) this is the slope intercept form)

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Which of the following is irrational? PLEASE HELP ASAP I WILL CRON BRAINLIEST
Sveta_85 [38]

Answer:

All of them are irrational except √9 which is rational.

Step-by-step explanation:

√5= 2.2606797749(irrational)

√9=3(rational) this one is rational

√7=2.64575131106(irrational)

√3.31662479035(irrational)

hope it helps.

7 0
3 years ago
Help with number 4 please?
LekaFEV [45]
10 because 7 x 3 = 21 and 7 + 3 = 10 so your answer is 10
5 0
3 years ago
Read 2 more answers
A national study report indicated that​ 20.9% of Americans were identified as having medical bill financial issues. What if a ne
Alenkasestr [34]

Answer:

The​ p-value for this​ test is 0.22065.

Step-by-step explanation:

We are given that a national study report indicated that​ 20.9% of Americans were identified as having medical bill financial issues.

A news organization randomly sampled 400 Americans from 10 cities and found that 90 reported having such difficulty.

<u><em>Let p = proportion of Americans who were identified as having medical bill financial issues in 10 cities.</em></u>

SO, Null Hypothesis, H_0 : p \leq 20.9%   {means that % of Americans who were identified as having medical bill financial issues in these 10 cities is less than or equal to 20.9%}

Alternate Hypothesis, H_A : p > 20.9%   {means that % of Americans who were identified as having medical bill financial issues in these 10 cities is more than 20.9% and is more severe}

The test statistics that will be used here is <u>One-sample z proportion</u> <u>statistics</u>;

                                  T.S.  = \frac{\hat p-p}{{\sqrt{\frac{\hat p(1-\hat p)}{n} } } } }  ~ N(0,1)

where, \hat p = sample proportion of 400 Americans from 10 cities who were found having such difficulty =  \frac{90}{400} = 0.225 or 22.5%

            n = sample of Americans = 400

So, <u><em>test statistics</em></u>  =  \frac{0.225-0.209}{{\sqrt{\frac{0.225(1-0.225)}{400} } } } }

                               =  0.77

<u></u>

<u>Now, P-value of the test statistics is given by the following formula;</u>

         P-value = P(Z > 0.77) = 1 - P(Z \leq 0.77)

                                            = 1 - 0.77935 = 0.22065

5 0
3 years ago
Which of the following mathematical symbols represents “the opposite of”?what do they mean
Lunna [17]

The negative sign show the change in direction, that is the opposite side of the value.

In the number line, 1 is the opposite of -1, that is the digit from the left side is the opposite value of the right side.

Consider an object P is moving in positive x direction than on moving the object into its opposite direction, it will move along the negative x axis.

Answer : A) -

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