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3 years ago

Find slope A.1/2 B.-1/2 C.-2 D.2

Mathematics

1 answer:

fomenos3 years ago

6 0

Answer:

Option B, -1/2

Step-by-step explanation:

The slope is change in y over change in x.

Since this line is facing downward, we already know that the slope is negative.

To find the ratio, find the change in y and divide the change in x.

Change in y = -1

Change in x = 2

Change in y over change in x: -1/2

Answer: Option B, -1/2

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Last week, 108 cars received parking violations in the main university parking lot. Of these, 27 had unpaid parking tickets from

garik1379 [7]

Answer:

95 percent confidence interval

[0.208,0.29166]

Step-by-step explanation:

First we identificate the sample proportion p = 27 /108, and we find the 95 percent confidence interval for P(population proportion) in this context the parking violations that have prior unpaid parking tickets.

Then α = 0.05 and 1 - α/2 = 0.975

Thus $Z_{0.975} = 1.96$

The 95 percent confidence interval is

[ p ± 1.96 $\sqrt{\frac{p(1-p)}{n} }$ ]

[0.25 ± 1.96 $\sqrt{\frac{0.25*0.75}{108} }$ ]

[0.208,0.29166]

6 0

3 years ago

A square pyramid has a height of 9 units and a volume of 147 units3. If a square prism has the same base area and volume as the

Murrr4er [49]

Answer:

the correct answer is 3

Step-by-step explanation:

4 0

2 years ago

<img src="https://tex.z-dn.net/?f=1%20%2B%20%20log_%7B2%7D%28x%20-%202%29%20%20%3D%20%20%20log_%7B2%7Dx" id="TexFormula1" title=

fenix001 [56]

Move all the logarithms on the left hand side, and all the constants on the other:

$\log_2(x-2) - \log_2(x) = -1$

Use the rule of logarithms

$\log_a(b) - \log_a(c) = \log_a\left(\dfrac{b}{c}\right)$

To rewrite the equation as

$\log_2\left(\dfrac{x-2}{x}\right) = -1$

Evaluate 2 to the power of each side:

$\dfrac{x-2}{x} = 2^{-1} = \dfrac{1}{2}$

Multiply both sides by 2x:

$2(x-2) = x \iff 2x-4 = x \iff x = 4$

6 0

3 years ago

Read 2 more answers

Write an equation for a rational function with:

hammer [34]

Answer:x= -3 {x=1 tx= -2 {x =1

Step-by-step explanation:

6 0

2 years ago

For the data set 100, 100, 104, 107, 107, the mean is 103,. What is the mean absolute deviation

Anna35 [415]

Answer:

Mean Absolute Deviation is 3.

Step-by-step explanation:

103-100=3

103-104=1

103-107=4

3+3+1+4+4=15/ the five numbers

15/5= 3

5 0

3 years ago