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arsen [322]
2 years ago
12

PLEASE HELP ASAP What is the m and b for this graph??

Mathematics
2 answers:
seraphim [82]2 years ago
6 0

Answer:

m = - 1 and b = - 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 3, 2) and (x₂, y₂ ) = (2, - 3) ← 2 points on the line

m = \frac{-3-2}{2-(-3)} = \frac{-5}{2+3} = \frac{-5}{5} = - 1

b is the y- intercept, that is where the graph crosses the y- axis.

line crosses the y- axis at (0, - 1 ) ⇒ b = - 1

suter [353]2 years ago
3 0

Answer:

20. 9. 23 12.131. 32.2.3..2.3.3.1.3 13.2.3 2

3.30am. 3.2 36.2. 1.. 3.2.3 3.2.3.3 3.3. 33. 43 3.3...3.34 2. 3 4 3.4 2.4.4. and the. 4. I. 4.4 4 3.34. is. that. 3.. I think 3 and. But. You. You 3.2 42. 44 3.4.3 2.3 4 3.3.3 4 3 3 4 2. 34.3.3 3 3.2.3 3.2.3.3. You. can. I. am. 34 3 3.43.2 34 3

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Step-by-step explanation:

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8 0
3 years ago
What is the value of x in the equation 7(4x+1)−3x=5x−13?
Citrus2011 [14]

Answer:

x = -1

Step-by-step explanation:

7(4x+1)−3x=5x−13

Distribute

28x +7 -3x = 5x -13

Combine like terms

25x+7 = 5x-13

Subtract 5x from each side

25x-5x +7 = -13

20x +7 = -13

Subtract 7 from each side

20x+7-7 = -13-7

20x = -20

Divide by 20

20x/20 = -20/20

x = -1

8 0
3 years ago
Name the maximum and minimum of the function
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The alimentary canal and the <span>gastrointestinal tract (GI tract)</span>
8 0
3 years ago
For the following geometric sequence find the explict formula -1 ,3, -9.
Afina-wow [57]

Answer:

-1 x -3^{n-1}

Hope this helps

Step-by-step explanation:

5 0
3 years ago
Someone claims that the average amount of time that a freshman at TAMU studies is 7 hours. We think it’s higher than that and de
Stels [109]

Answer:

Test statistic t = 5.25

P-value = 0.000002 (one-tailed test)

Step-by-step explanation:

This is a hypothesis test for the population mean.

The claim is that the average amount of time that a freshman at TAMU studies is significantly higher than 7 hours.

Then, the null and alternative hypothesis are:

H_0: \mu=7\\\\H_a:\mu> 7

The significance level is 0.05.

The sample has a size n=49.

The sample mean is M=8.5.

As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=√s^2=√4=2.

The estimated standard error of the mean is computed using the formula:

s_M=\dfrac{s}{\sqrt{n}}=\dfrac{2}{\sqrt{49}}=0.29

Then, we can calculate the t-statistic as:

t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{8.5-7}{0.29}=\dfrac{1.5}{0.29}=5.25

The degrees of freedom for this sample size are:

df=n-1=49-1=48

This test is a right-tailed test, with 48 degrees of freedom and t=5.25, so the P-value for this test is calculated as (using a t-table):

\text{P-value}=P(t>5.25)=0.000002

As the P-value (0.000002) is smaller than the significance level (0.05), the effect is significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that the average amount of time that a freshman at TAMU studies is significantly higher than 7 hours.

6 0
3 years ago
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