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3 years ago

Answer number 2 pwease

Mathematics

1 answer:

seropon [69]3 years ago

7 0

Answer: it is B

Step-by-step explanation:

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Which quadratic equation fits the data in the table?

marissa [1.9K]

Answer:

y = 3 - x + x²

Step-by-step explanation:

Given the data:

x. y

-5 33

-2 9

-1 5

0 3

3 9

4 15

6 33

General formof a quadratic model:

y = A + Bx + Cx²

Using the quadratic regression model solver for the data Given:

The quadratic model fit obtained is :

y = 3 - x + x²

4 0

3 years ago

Scott and Letitia are brother and sister. After dinner, they have to do the dishes, with one washing and the other drying. They

ehidna [41]

Answer:

The probability that Scott will wash is 2.5

Step-by-step explanation:

Given

Let the events be: P = Purple and G = Green

$P = 2$

$G = 3$

Required

The probability of Scott washing the dishes

If Scott washes the dishes, then it means he picks two spoons of the same color handle.

So, we have to calculate the probability of picking the same handle. i.e.

$P(Same) = P(G_1\ and\ G_2) + P(P_1\ and\ P_2)$

This gives:

$P(G_1\ and\ G_2) = P(G_1) * P(G_2)$

$P(G_1\ and\ G_2) = \frac{n(G)}{Total} * \frac{n(G)-1}{Total - 1}$

$P(G_1\ and\ G_2) = \frac{3}{5} * \frac{3-1}{5- 1}$

$P(G_1\ and\ G_2) = \frac{3}{5} * \frac{2}{4}$

$P(G_1\ and\ G_2) = \frac{3}{10}$

$P(P_1\ and\ P_2) = P(P_1) * P(P_2)$

$P(P_1\ and\ P_2) = \frac{n(P)}{Total} * \frac{n(P)-1}{Total - 1}$

$P(P_1\ and\ P_2) = \frac{2}{5} * \frac{2-1}{5- 1}$

$P(P_1\ and\ P_2) = \frac{2}{5} * \frac{1}{4}$

$P(P_1\ and\ P_2) = \frac{1}{10}$

<em>Note that: 1 is subtracted because it is a probability without replacement</em>

So, we have:

$P(Same) = P(G_1\ and\ G_2) + P(P_1\ and\ P_2)$

$P(Same) = \frac{3}{10} + \frac{1}{10}$

$P(Same) = \frac{3+1}{10}$

$P(Same) = \frac{4}{10}$

$P(Same) = \frac{2}{5}$

8 0

3 years ago

The ratio of blue shoes to green shoes is 5:2.

ValentinkaMS [17]

Answer:

Step-by-step explanation:

6 * 5 is 30 6*2 is 12

7 0

3 years ago

Read 2 more answers

3n-(2 + n) what value makes this expression equal to 6? <br> A.5 B.6 C.3 D.4

iragen [17]

The answer is D. If you substitute those values for n, you should be able to find that 4 makes the expression equal to 6.

6 0

3 years ago

Read 2 more answers

Randy said that the number 0.03 has a value 10 times greater than 0.003 is he correct.

pishuonlain [190]

Yes, he is correct. 0.003 * 10 = 0.03

5 0

3 years ago