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aivan3 [116]
3 years ago
13

Calculate trend values by method of least squares

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

It is a mathematical method and with it gives a fitted trend line for the set of data in such a manner that the following tow conditions are satisfied. The sum of the deviation of the actual values of Y and the computed values of Y is zero.

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At the playground, 60% of the bike rack was filled. Thisis 30 bikes. How many total slots are there for bicycles?
Blizzard [7]
The most simplest way to explain this is by breaking down the 60%.

Think about it.

If 60% space = 30 bikes

then 30% space = 15 bikes

then 10% space must be 5 bikes.

So we now know for sure 60% space = 30 bikes.
And 10% space = 5 bikes.

Then we know remaining 40% space = 20 bikes.

So total space = 100% space, for 50 bikes.

7 0
4 years ago
Find an equation of the circle that has center (-6, 6) and passes through (3,-4)​
daser333 [38]

Answer:

(x+6)² + (y-6)² = 181

Step-by-step explanation:

equation of the circle in general is (x - a)² + (y - b)² = r²

center is (a, b) in our task a=-6 b=6

so equation of the circle is (x+6)² + (y-6)² = r²

we have point  (3,-4)​ ⇒ x=3 y=-4

put x y in equation of the circle ⇒  (3+6)² + (-4-6)² = r² ⇒r² =181

⇒The equation of a circle is (x+6)² + (y-6)² = 181

4 0
3 years ago
Read 2 more answers
Factor the quadratic expression in the equation y = 2x2 + 8x - 154 and find the zeros of the equation. Then
Tema [17]

Answer:

zeros: -11 , 7

Line of symmetry: x = -2

Step-by-step explanation:

y = 2x² + 8x - 154 = 2*(x² + 4x - 77) = 2*(x+11)(x-7)

y = 0

x = - 11 or x = 7

line of symmetry: x = 1/2 (-11 + 7) = -2

2x² + 8x - 154 = 2*(x² + 4x +4) - 162 = 2 * (x+2)² - 162

vertex (h , k): h = -2 , k = -162

Line of symmetry: x = -2

6 0
3 years ago
A car can travel 208 kilometers on 26 liters of gasoline . how far can it travel on 14 liters ?
fenix001 [56]

Answer:

112 kilometers

Step-by-step explanation:

the reason why is because if you divide 208 by 26 you get 8 then multiply it by 14 to get the answer

8 0
3 years ago
Slope intercept form 10x-7y=-8
Maslowich
Hello Isaiah! (Cool name)

10x - 7y = -8

We need to use the slope - intercept form y = mx + b to find the slope m.

Thus, the slope for this is m= 10/7

I hope this helps!
4 0
3 years ago
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