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NemiM [27]
2 years ago
14

1){(-8,-10), (-2,0), (1,10), (4,0)} Domain= Range- Function?

Mathematics
1 answer:
adoni [48]2 years ago
8 0

Answer:

domain(-8. -2. 1 4

range( -10 0 10 0

and the the given exp is function

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Lincoln has a coin collection. He keeps 3 of the coins in his box, which is 5% of the collection. How many total coins are in hi
Lorico [155]

Answer:

3 times 20 equals 60

Step-by-step explanation:

7 0
3 years ago
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Write the equation of a line that passes through (-1,3) (0,8)
gizmo_the_mogwai [7]

You'll be using point slope form to solve this.

As the name suggests, you'll need the slope as well as a point. To find the slope use the slope formula: \frac{y_2-y_1}{x_2-x_1}

Plug in the points.

\frac{8-3}{0-(-1)} =\frac{5}{1} =5

The slope of this line is 5.

Point slope form is y-y1 = m(x-x1), so plug in the slope and a point into this equation. I'll use (0,8).

y-(8) = 5(x-(0))

1. Write this out without parentheses.

y-8 = 5(x)

2. Multiply 5 and x.

y-8 = 5x

3. Add 8 to both sides.

y = 5x+8

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Answer is:

y = 5x+8

6 0
3 years ago
3х - 2y = 12<br> x + y = 4
EastWind [94]
4,0


that is the ordered pair of the solution:)
5 0
3 years ago
Julie needs at least $123 to buy a pair of shoes. She has saved $56 and earns $8 weekly for completing
Nataliya [291]

Answer:

It will take 9 weeks

Step-by-step explanation:

56 + 8x \geq 123

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6 0
2 years ago
According to a study conducted in one​ city, 25​% of adults in the city have credit card debts of more than​ $2000. A simple ran
Anvisha [2.4K]

Answer:

The sampling distribution of \hat p is <em>N</em> (0.25, 0.0354²).

Step-by-step explanation:

According to the Central limit theorem, if from an unknown population large samples of sizes <em>n</em> > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

 \mu_{\hat p}=p

The standard deviation of this sampling distribution of sample proportion is:

 \sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}

Let <em>p</em> = proportion of adults in the city having credit card debts of more than​ $2000.

It is provided that the proportion of adults in the city having credit card debts of more than​ $2000 is, <em>p</em> = 0.25.

A random sample of size <em>n</em> = 150 is selected from the city.

Since <em>n</em> = 150 > 30 the Central limit theorem can be used to approximate the distribution of <em>p</em> by the Normal distribution.

The mean is:

\mu_{\hat p}=p=0.25

The standard deviation is:

\sigma_{\hat p}=\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.25(1-0.25)}{150}}=0.0354

Thus, the sampling distribution of \hat p is <em>N</em> (0.25, 0.0354²).

3 0
3 years ago
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