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nalin [4]
2 years ago
11

Researchers collected data from a group of people who completed

Mathematics
1 answer:
baherus [9]2 years ago
3 0

Answer: I think its C h(x)=-2.9x+250

Step-by-step explanation:

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What is the correlation coefficient with the following data points: (1,14), (3,10), (5,16)
motikmotik
The correct answer is 0.3
Hope this helps you
4 0
3 years ago
Read 2 more answers
Solve for x. <br><br> x + 5 = 2x<br><br> x = 3<br> x = -3<br> x = -5<br> x = 5
spayn [35]

[|] Answer [|]

<u><em>X = 5</em></u>

[|] Explanation [|]

Subtract 5 From Both Sides:

X + 5 - 5 = 2x - 5

Simplify:

X = 2x - 5

Subtract 2x From Both Sides:

X = 2x - 2x - 5 - 2x

Simplify:

-x = -5

Divide Both Sides by -1:

-x/-1 = -5/-1

Simplify:

X = 5

<u><em>\boxed{[|] \ Eclipsed \ [|]}</em></u>

4 0
3 years ago
Factor the trinomial 15a^2-22ab-5b^2
Varvara68 [4.7K]
15a² - 22ab - 5b²
15a² - 25ab + 3ab - 5b²
5a(3a) - 5a(5b) + b(3a) - b(5b)
5a(3a - 5b) + b(3a - 5b)
(5a + b)(3a - 5b)
7 0
3 years ago
HELP <br> The solutions to the equation<br><br> 2cosθ−sinθ=0<br><br> for 0∘≤θ≤360∘ are
konstantin123 [22]

Answer:

θ ∈ { 90 ∘ , 210 ∘ , 270 ∘ , 330 ∘ }

step by step explanation:

Factoring the left side of

2 sin ( θ ) cos ( θ ) + cos ( θ ) = 0

gives

cos ( θ ) ⋅ [ 2 sin ( θ ) + 1 ] = 0

Which implies (for  θ ∈ [ 0 , 360 ∘])

either     cos ( θ ) = 0

           →  θ = 90 ∘ or 270 ∘

OR

2 sin ( θ ) + 1 = 0

→  sin  ( θ )=− 1 2 → θ = 210 ∘ or 330 ∘

→  θ = 210∘ or 330∘

8 0
2 years ago
What is the circumference of a circle whose diameter is 20?
Sergeeva-Olga [200]

Answer:

C≈62.83

Step-by-step explanation:

Use the formula C=πd

Plug in 20 for d and simplify

You then get 62.8318530718 in a calculator

So, you round it to 62.83

3 0
2 years ago
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