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Reil [10]
3 years ago
5

TRUE or FALSE: Observational studies are used to determine causality between explanatory and response variables.

Mathematics
1 answer:
OlgaM077 [116]3 years ago
5 0

Answer:

True

Step-by-step explanation:

I'm pretty sure it true, sry if it's not

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You are planning on using circles to compare the populations of California 37,691,000, Texas 25,675,000, and New York 19,465,000
Aneli [31]
The areas of the circle will represent the population, so:
Area = πr²

5² : 19,465,000
C² : 37,691,000

California circle radius = 6.96 cm

For Texas:
5² : 19,465,000
T² : 25,675,000

Texas circle radius = 5.74 cm
8 0
3 years ago
A salsa recipe uses green pepper, and onion, and tomato in the extended ratio 2:5:9. How many cups of onion are needed to make 9
Vlad1618 [11]
The answer is 30 cups

Let x be a multiplier. So:
2x + 5x + 9x = 96
16x = 96
x = 96/16
x = 6 cups

Since the number of onion cups is 5x, then 5 * 6 = 30 cups are needed to make 96 cups of salsa.
8 0
3 years ago
If the perimeter of a triangle is 31 ft and two of the side lengths are 15 ft and 10 ft, what is the length of the third side?
erastovalidia [21]

Answer:

C) 6 ft

Step-by-step explanation:

Perimeter is just adding the side lengths together so...

31-15-10=x

6=x

so your answer is 6ft

3 0
3 years ago
Read 2 more answers
This figure shows circle O with inscribed ∠XYZ. m∠XYZ=76∘ What is the measure of XYZ?
Cloud [144]

Answer:

152

Step-by-step explanation:

Since the measure of angle XYZ is 76 degrees, we know that the measure of XYZ would be twice the amount of the angle measurement due to the square root theorem.  In this case 76 times 2 or 76 plus 76 equals 152 degrees.  152 degrees is your final answer.

6 0
3 years ago
Read 2 more answers
How many three-fourths are in 2
Elis [28]
3/4 times x=2
times both sides by 4/3 to clear fraction (4/3 times 3/4=12/12=1)
1x=8/3
there are 8/3 of them in 2

6 0
3 years ago
Read 2 more answers
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