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Alika [10]
3 years ago
13

PLEASE HELP

Mathematics
1 answer:
harina [27]3 years ago
6 0

Answer:

y=\frac{-1}{2}x +3

Step-by-step explanation:

Take any two points from the graph

(2 , 0) ; (0 , -4)

Slope = \frac{-4-0}{0-2}\\\\

                   = \frac{-4}{-2}\\\\=  2

Slope of the perpendicular line = -1/m = -1/2 =  -1/2

m = -1/2 ; (-4 , 5)

y - y1 = m(x - x1)

y - 5 = \frac{-1}{2}(x -[-4] )\\\\y - 5= \frac{-1}{2}(x + 4)\\\\y - 5 = \frac{-1}{2}x +\frac{-1}{2}*4\\\\y-5 = \frac{-1}{2}x -2\\\\y = \frac{-1}{2}x-2+5\\\\y=\frac{-1}{2}x + 3

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A^4-6a^2-7-8x-x^2<br>please answer​
umka21 [38]

Step-by-step explanation:

a^4-6a^2-7-8x-x^2

a^4-6a^2-8x-x^2-7

-5a^2-9x^3-7

3 0
3 years ago
The permitted of a rectangle is 24 inches.The length is 2 inches.Use the numbers below to complete an equation to solve for the
german

Answer:

24=2(2)+2w

w=10

Step-by-step explanation:

We have been given that the perimeter of a rectangle is 24 inches. The length is 2 inches. We are supposed to write an equation to solve for the width.

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

P=2l+2w

Upon substituting our given values in perimeter equation, we will get:

24=2(2)+2w

Let us solve for width.

24=4+2w

24-4=4-4+2w

20=2w

\frac{20}{2}=\frac{2w}{2}

10=w

Therefore, the width of the rectangle would be 10 inches.

4 0
4 years ago
What is the potential energy of a 500-N pole-vaulter when she is 4 m above the ground?
Novosadov [1.4K]

Answer:

2000J

Step-by-step explanation:

mg=500

h(height)=4

500 x 4 = 2000J

7 0
3 years ago
A social psychologist predicted that ratings of an individual’s social desirability would be influenced by their physical attrac
marshall27 [118]

Answer:

It is stated in the query that the more attractive the individual, the higher their rank of desirability.

Step-by-step explanation:

This means that we should conclude that the alternative explanation of "higher degree of desire contributes to higher levels of social attractiveness"

In the event of a null hypothesis, we will believe that the degree of attractiveness has no impact on the score of cultural desirability.

(1) Null hypothesis:- The level of attraction does not have an impact on the rating of social desirability.

(2) Alternate hypothesis:- The level of attraction has a positive effect on the ranking of social desirability.

(3) The error of Type I is characterized as the rejection of the true null hypothesis. Therefore, in this case, the type I mistake would be that "the level of attraction has a positive effect on the rating of social desirability while the level of attraction does not have an impact on the rating of social desirability."

(4) The error of type II is characterized as the failure to reject the false null hypothesis. Thus, in this situation, the Type II error would be that "the level of attraction has no impact on the rating of social desirability while the real level of attraction has a positive effect on the rating of social desirability."

(5) We know that the likelihood of having a Form I error is equal to the degree of significance (in percent terms). The significance level, in this case, is 0.05, so the likelihood of making a form I error is 0.05 * 100=5 percent.

Therefore, there is a 5 percent risk of making a Type I mistake.

3 0
3 years ago
Use a model to divide 2÷1/3​
frutty [35]

6

.

.....

.

........

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