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MrMuchimi
3 years ago
9

The difference between an observational study and a experiment is that

Mathematics
2 answers:
sukhopar [10]3 years ago
4 0

Answer:

observational study, you already know the outcome and you are doing it to take notes or learn while an experiment the outcome is unknown and you are seeing the reaction

Step-by-step explanation:

Hopes this helps??

Genrish500 [490]3 years ago
3 0

Answer:

Step-by-step explanation:

Observational study means you collect info by observing something experimental means you have an experiment like how will this change if I do this or what will happen etc.

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Let f(x) = 3x +2 and g(x) = 7x + 6. Find f • g and its domain.
Alekssandra [29.7K]
The value of f·g is the product of f(x) and g(x). This is shown below,
                                 f·g = (3x + 2)(7x +6)
                                 f·g = 21x² + 32x + 12
The domain of the function is the value of x that would make the function reasonable. The domain is all real numbers. 
3 0
3 years ago
Read 2 more answers
The lengths of the sides of the base of a right square pyramid are 2 m, and the slant height of the pyramid is 9 m. If the sides
emmasim [6.3K]

Answer:

Answer:

height h = 9 m

slant height s = 9.0553851381374 m

side length a = 2 m

lateral edge length e = 9.1104335791443 m

1/2 side length r = 1 m

volume V = 12 m3

lateral surface area L = 36.22154055255 m2

base surface area B = 4 m2

total surface area A = 40.22154055255 m2

Step-by-step explanation:

4 0
3 years ago
A. -2x + y = -2
Free_Kalibri [48]

Answer:

i try my best to do if i can

Step-by-step explanation:

4 0
2 years ago
How many 1/4 pound servings of walnuts, s, are in 3/4 pound of<br>walnuts?​
andrew-mc [135]

Answer:

3 servings

Step-by-step explanation:

Take the number of pounds and divide by the size of the servings

3/4 ÷ 1/4

Copy dot flip

3/4 * 4/1

3/1 * 4/4

3 servings

4 0
4 years ago
Read 2 more answers
Consider the data set. 2, 3, 5, 6, 7
vekshin1

Answer:

5 ; 2.07 ; 1.85

Step-by-step explanation:

Given the data:

2, 3, 5, 6, 7

The range : ( highest - lowest)

The range = (7 - 2) = 5

Sample standard deviation :

sqrt[Σ(x - m)²/ (n - 1)]

The mean (m) = Σx / n

n = sample size = 5

Σx / n ;

(2+3+5+6+7) / 5

= 23 / 5

= 4.6

[(2-4.6)^2 + (3-4.6)^2 +(5-4.6)^2 + (6-4.6)^2+ (7-4.6)^2] / (5 - 1)

= 17.2 / 4

= 4.3

Sqrt(4.3) = 2.07

Population standard deviation :

sqrt[Σ(x - m)²/ n]

The mean = m = 4.6

n = sample size = 5

[(2-4.6)^2 + (3-4.6)^2 +(5-4.6)^2 + (6-4.6)^2+ (7-4.6)^2] / 5

= sqrt(17.2 / 5)

= sqrt(3.44)

= 1.8547 = 1.85

3 0
3 years ago
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