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3 years ago

Using the slope and the y-intercept, graph the line represented by the following equation. Then select the correct graph.

Mathematics

1 answer:

miskamm [114]3 years ago

5 0

It's the third picture.

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Which is the value of the equation?

erma4kov [3.2K]

Answer:

A+7

Step-by-step explanation:

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3 years ago

The perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is , where l represents t

Gekata [30.6K]

Answer:

A. 7 in.

Step-by-step explanation:

We have been given that the perimeter of a rectangle is 16 inches. The equation that represents the perimeter of the rectangle is , where l represents the length of the rectangle and w represents the width of the rectangle.

We know that perimeter of rectangle is 2 times the sum of width and length of rectangle.

$\text{Perimeter}=2(l+w)$

$\text{16 in}=2(l+w)$

$\frac{\text{16 in}}{2}=\frac{2(l+w)}{2}$

$\text{8 in}=l+w$

To be a rectangle length cannot be 8 as length and width of the rectangle is 8 inches.

Therefore, 7 inches the possible value for the length of the rectangle.

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3 years ago

5B Let random variable X represent the number of heads minus the number of tails when a fair coin is tossed 9 times.

tamaranim1 [39]

Let $H$ be the number of times a coin lands heads up. Then the coin lands tails up $9-H$ times, and $X=H-(9-H)=2H-9$ . $H$ follows a binomial distribution with $p=0.5$ and $n=9$ , so that

$P(H=h)=\begin{cases}\dbinom9h0.5^9&\text{for }h\in\{0,1,2,\ldots,9\}\\0&\text{otherwise}\end{cases}$

Then we have

$P(X=0)=P(2H-9=0)=P(H=4.5)=0$

because $H$ can only take on integer values. The other probability is

$P(X=3)=P(2H-9=3)=P(H=6)\approx0.1641$

In terms of $H$ , we have $Y=2H-8$ and $H$ follows a binomial distribution with $n=8$ and the same probability $p$ as before, so that

$P(H=h)=\begin{cases}\dbinom8h0.5^8&\text{for }h\in\{0,1,2,\ldots,8\}\\0&\text{otherwise}\end{cases}$

Then we find

$P(Y=0)=P(2H-8=0)=P(H=4)\approx0.2734$

and

$P(Y=3)=P(2H-8=3)=P(H=5.5)=0$

5 0

3 years ago

HALPODPAL!!!!!!!!!!!!!!!!!!!!!!

kykrilka [37]

Answer:

y=2x-4

Step-by-step explanation:

5 0

4 years ago

PLEASE HELP!

insens350 [35]

Answer:

Plan Two

Step-by-step explanation:

If you do all the math, which is not that hard, you can find the answer easily. I think if you tried to do it yourself, you would learn and benefit more.

3 0

4 years ago