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2 years ago

A line is graphed on the coordinate plane. What is the slope of the given line?

Mathematics

1 answer:

aivan3 [116]2 years ago

7 0

Answer:

Step-by-step explanation:

The slope is the change in y divided by the change in x

If (x₁, y₁) and (x₂, y₂) are points on the line

slope m = (y₂ - y₁) / (x₂ - x₁)

m = (y₁ - y₂) / (x₁ - x₂)

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The function below crosses thr x-axis once. Y=3×2-8x+8

lukranit [14]

It will be at point (5,5)

4 0

3 years ago

5. A study found that the average time it took a person to find their dream home was 5.9 months. If a sample of

solong [7]

Answer:

The 95% confidence interval of the mean time it took a person to find their dream home is between 5.64 months and 6.16 months.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.025 = 0.975$ , so $z = 1.96$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.96\frac{0.8}{\sqrt{36}} = 0.26$

The lower end of the interval is the sample mean subtracted by M. So it is 5.9 - 0.26 = 5.64 months

The upper end of the interval is the sample mean added to M. So it is 5.9 + 0.26 = 6.16 months.

The 95% confidence interval of the mean time it took a person to find their dream home is between 5.64 months and 6.16 months.

4 0

3 years ago

3. Wu saved $75 towards a new $250 mountain bike. What percent of the total cost of the bike has Wu saved?

pickupchik [31]

Based on the information given the percent of the total cost of the bike has Wu saved is 30%.

Using this formula

Total cost percentage=Amount saved/Cost×100

Where:

Amount saved=$75

Cost =$250

Let plug in the formula

Total cost percentage=$75/$250×100

Total cost percentage=30%

Inconclusion the percent of the total cost of the bike has Wu saved is 30%.

Learn more here:

brainly.com/question/17157877

4 0

2 years ago

Help asap pleeassseeeee!!!

natali 33 [55]

Volume of oblique cylinder
= (base area) * height (perpendicular to base)
= (30 π )*m
= 30m π cm^3

6 0

2 years ago

Lakshmi donates 20% of her income to charity. What fraction of her income does Lakshmi donate to charity?

tigry1 [53]

Answer:1/5

Step-by-step explanation:

20/100=1/5

5 0

3 years ago