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ohaa [14]
3 years ago
15

Steven and James are both about to take a math test. Steven is experiencing shortness of breath and profuse sweating in anticipa

tion of the test. James is a bit nervous, but does not have any of the physical manifestations that Steven has. According to Yerkes-Dodson, who should do better on the math test
Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

james

Step-by-step explanation:

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Complete the equation of the line through (3, -8) and (6, -4)
hammer [34]

Answer:

we have,

y-y1=m(x-x1)

or, y+8=4/3(x-3)

or, 3y+24=4x-12

or, 4x +3y+36=0 is the required equation

3 0
4 years ago
A parabola can be drawn given a focus of (1, -7) and a directrix of y = 1. Write the
Paha777 [63]

Answer:

Step-by-step explanation:

focus (1 , -7)  ⇒ a = 1  & b = -7

y = 1 ⇒ c = 1

Equation of parabola :

(x - a)² + (y - b)² = (y - c)²

(X - 1)² + (y + 7)² = (y - 1)²

Now, expand.

x² - 2x + 1 + y² + 2*7*y + 7² = y² - 2*y*1 + 1

x² - 2x + 1 + y² - 14y + 49 = y² - 2y +1

x² - 2x + 1 + y² - 14y +  49  - y² + 2y - 1 = 0

x² - 2x  + <u>y² - y²</u>   <u> - 14y + 2y</u>   <u>+ 1 + 49 - 1 </u>= 0

x² - 2x  - 12y + 49 = 0

7 0
3 years ago
PLEASE LOOK AT PICURE THEN ANWSER, WHOEVER IS CORRECT I WILL MARK BRAINIEST :)
irga5000 [103]

Answer:

b.g(x)=x^{2}+3

Step-by-step explanation:

If two graphs have the same shape and you only want to change one's y intercept, you just have to add or subtract the number at which you want the graph to intercept the y axis from the equation

8 0
3 years ago
16x2 - 8x + 1 is an example of a ______​
serg [7]

Answer:

the answer would be an equation

6 0
3 years ago
If b= a+3 then (a-b)^4=
Igoryamba

Answer:

81

Step-by-step explanation:

If b=a+3 then what will (a-b)^4 be?

We substitute b=a+3 into (a-b)^4 to get (a-(a+3))^4=(a-a+3)^4=(0-3)^4=(-3)^4=81

5 0
3 years ago
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