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klasskru [66]
2 years ago
6

Which of the following would be the best method for investigating the correlation between the hibernation habits of bears and th

e temperature for 90 days prior to their hibernation?
A. Survey
B. Observational study
C. Randomized experiment
D. Experimental study

Mathematics
1 answer:
Andre45 [30]2 years ago
4 0

Answer: Observational study

Step-by-step explanation: I just took the test

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A restaurant chef made 2 7/10 jars of pasta sauce. Each serving of pasta requires 9/10 of a jar of sauce. How many servings of p
Kisachek [45]

The chef will be able to prepare 3 servings of pasta because if you take one away from a whole number you have 9/10ths so you do that process again you have 2 servings but, you have 2 tenths left over so you add that to the 7 tenths.

Hope this helps :)

6 0
3 years ago
Given A(2, 3) B(1, 4) C(1, 3) D(-2, 2). How are AB and CD related?
kondaur [170]

The vector AB is not related with the vector CD as k is not the same for each pair of components.

<h3>Are two vectors similar?</h3>

In this question we must prove if the vector AB is a multiple of the vector CD, that is:

\overrightarrow{AB} = k \cdot \overrightarrow {CD}

\vec B - \vec A = k \cdot [\vec D - \vec C]

(1, 4) - (2, 3) = k · [(- 2, 2) - (1, 3)]

(- 1, 1) = k · (- 3, - 1)

Hence, the vector AB is not related with the vector CD as k is not the same for each pair of components.

To learn more on vectors: brainly.com/question/13322477

#SPJ1

3 0
2 years ago
Assessment items Jackie deposited $315 into a bank account that earned 1.5% simple interest each year. If no money was deposited
Arturiano [62]
The interest would be $14.17 so the total in the account is $329.17.

you find this by using the formula:
I = P*R*T
I =300*.015*3
I = 14.17
4 0
3 years ago
Use the graph to write a linear function that relates y to x.
Elenna [48]

Answer:

y=3

Step-by-step explanation:

6 0
2 years ago
Determine whether ab is parallel to cd
shtirl [24]

Answer:

Yes, it is.

Step-by-step explanation:

When alternate interior angles (∠ABC and ∠BCD) are congruent, it means the lines are parallel.

8 0
3 years ago
Read 2 more answers
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