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3 years ago

20. Find the slope of the line graphed below.

Mathematics

2 answers:

ale4655 [162]3 years ago

5 0

Their is no graph sorry

seraphim [82]3 years ago

4 0

I don’t see a graph....

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Use the given information to find the P Value. Also use a .05 significance level and state the conclusion about the null hypothe

motikmotik

Answer:

P-value = 0.2177

Conclusion: The P-value 0.2177 is greater than the significance level 0.05, so we fail to reject the null hypothesis (P = 3/5)

Step-by-step explanation:

Null hypothesis (Ha): P = 3/5

Significance level = 0.05

Decision rule: Reject Ha if the P-value and is less than or equal to the significance level. Fail to reject Ha if P-value is greater than the significance level

Using the standard normal distribution table, the critical value of the test statistic z = 0.78 is 0.7823

P-value = 1 - 0.7823 = 0.2177

The P-value is greater than the significance level, so we fail to reject the null hypothesis (P = 3/5)

8 0

3 years ago

The length of Amy's rectangular kitchen is 12 feet. If the area of the room is at least 96 square feet, what is the smallest wid

zaharov [31]

Answer:

8 feet

Step-by-step explanation:

Length = 12 feet

Area/length = width

Area >= 96/12 (at least = greater or equal)

A >= 8

7 0

3 years ago

2. Which of the following systems of inequalities represents the graph?

Rom4ik [11]

Answer:

Option: D is the correct answer.

D) –2x + y ≥ 4

x + y < 2

Step-by-step explanation:

We are asked to find the linear inequality that represents the following graph.

Clearly from the graph we could observe that one line is dotted and the other is solid line.

i.e. one inequality is strict while the other is a inequality with equality sign.

<u>Dashed line:</u>

It passes through (0,2) and (2,0).

Hence, the equation of line is:

$y-2=\dfrac{0-2}{2-0}\times (x-0)\\\\\y-2=\dfrac{-2}{2}\times x\\\\y-2=-x\\\\x+y=2$

As the shaded region is towards the origin.

Hence, the inequality will be:

x+y<2.

<u>Solid line:</u>

The line passes through (-2,0) and (0,4).

hence equation of line is:

$y-0=\dfrac{4-0}{0-(-2)}\times (x+2)\\\\$

i.e

$y=\dfrac{4}{2}\times (x+2)\\\\y=2\times (x+2)\\\\y=2x+4\\\\-2x+y=4$

Now, as the shaded region is away from the origin hence the inequality which will be used is:

$-2x+y\geq 4$

Hence, option: D is the correct answer.

D. –2x + y ≥ 4

x + y < 2

8 0

3 years ago

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If 8x -16 = 0 what is the value of x

lesya692 [45]

Answer:

Your answer is 2.

Step-by-step explanation:

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3 years ago

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The value of the digit 8 in this number is 8

Nana76 [90]

And... i don't get it

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3 years ago