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Step2247 [10]
2 years ago
5

PLEASE HELP ME ASAP ?!?!?

Mathematics
1 answer:
GaryK [48]2 years ago
3 0

Answer:

m = 5 n = \frac{5\sqrt{3} }{2}

Step-by-step explanation:

5/2x2=5

5/3xsqrt3=5sqrt3/2

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PLEASE HELP! 40 POINTS
Vedmedyk [2.9K]

I'd start with setting up the equations. Calling x the number of students in most popular country 1, and y in country 2.

x + y = 44740

x - y = 5672

now solve for x1 and x2. You can subtract second from first:

0 + 2y = 39068

y = 19534

so

x = 5672 + 19534 = 25206

Add a sentence to answer it in words.

7 0
3 years ago
Read 2 more answers
A linear regression is done on data the line of best fit is y= 1.25x-6.25. What is the residual for the point (1,1)?
Damm [24]

Answer:

6

Step-by-step explanation:

Find the predicted y value when x=1:

\hat{y}=1.25x-6.25\\\hat{y}=1.25(1)-6.25\\\hat{y}=1.25-6.25\\\hat{y}=-5

Find the residual:

\text{Residual}=\text{Actual Value}-\text{Predicted Value}\\\text{Residual}=y-\hat{y}\\\text{Residual}=1-(-5)\\\text{Residual}=1+5\\\text{Residual}=6

Because our residual is positive, this is an indicator that our predicted y value is too low.

6 0
2 years ago
Hey answer this pls!!​
Kitty [74]

Answer:

That would be A) -3/5.

Step-by-step explanation:

Here it is.

6 0
3 years ago
If 3* = 54, then which of the following must be true?
motikmotik

Answer: 3 < pi < 4

Step-by-step explanation:

6 0
3 years ago
What is the value of the discrinant of the quadratic equation -2x^2=-8x+8
Serga [27]

Answer:

Step-by-step explanation:

-2x²=-8x+8 means : -2x²+8x-8

the discrinant of the quadratic equation is : delta = b²-4ac

when a=-2 and b=8 and c= -8

calculate delta = (8)²-4(-2)(-8) ......continu

7 0
3 years ago
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