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sveticcg [70]
2 years ago
15

To find the equation of a regression line, ý = ax + b, you need these formulas:

Mathematics
1 answer:
Stella [2.4K]2 years ago
4 0

Answer:-4.683

Step-by-step explanation:

Took the test

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Mr. Santiago can buy light fixtures in packages of 12 and light bulbs in packages of 9. He bought the fewest number of light fix
liq [111]

Answer:

  • 3 and 4 packages

Step-by-step explanation:

We need to find the LCM of 12 and 9.

  • 9 = 3*3
  • 12 = 2*2*3

<u>Their LCM is:</u>

  • LCM(12, 9) = 2*2*3*3 = 36

Number of light fixtures and light bulbs is 36.

<u>Number of packages will be:</u>

  • 36/12 = 3 and
  • 36/9 = 4 respectively.
6 0
2 years ago
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The swimming pool at Spring Valley High School is a rectangle with a width of 75 meters and a length of 35 meters. Around the pe
stealth61 [152]
Same as before

total=(2w+75)(2w+35)=4w²+220w+2625

pool=75 times 35=2625

minus pool from total
4w²+220w+2625-2625=4w²+220w
4 0
3 years ago
F(x)
Ludmilka [50]
F(x) = 5 + 2x  where x is the number of times he walks the neighbours dog
y-intercept is at y=5 and slope = 2

g(x) :-  As x increases by 4 g(x) decreases by -8  so the slope is -8/4 =  -2
when x = 0, g(x)  = the y intercept  is at -1 + (-8/2) = - 5
so equation of g(x) is  g(x) = -5 -2x
h(x):-    the slope is  (3 - 5) / (1 - 0)      [  difference in y values / diff in x values]
slope = -2
so we have h(x) = -2x + c   where c = the y-intercept
when x = 0  h(x) = 5
so  c = 5
 h(x) = 5 - 2x   

  Now j(x)= 2x - 5   - slope is 2 and y intercept = -5
8 0
3 years ago
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What is the measure of angle x? Answer in box. X=? Look at pic to answer
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83deg is the value of angle x. Thanks!
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3 years ago
Can someone please help me with this?
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3 years ago
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