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3 years ago

13

The San Diego Zoo houses 37 sea lions. This is roughly 2% of the total seal lion population in California. How many sea lions ar

e there in California?

1 answer:

NISA [10]3 years ago

3 0

Answer:

1850

Step-by-step explanation:

You would set up a proportion that 2/100 = 37/x. You would cross multiply and get 2x = 3700. You would then divide 3700 by 2 and get 1850.

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The Nielsen Media Research Company uses people meters to record the viewing habits of about 5000 households, and today those met

expeople1 [14]

Answer:

Cross-sectional study.

Step-by-step explanation:

- In a cross-sectional study, data are observed, measured, and collected at one point in time.

- In a prospective (or longitudinal) study, data are collected in the future from

groups sharing common factors.

- In a retrospective (or case-control) study, data are collected from the past by going

back in tirme (through exanmination of records, interviews, arıd so on).

Hope this Helps!!

4 0

3 years ago

How many ways can you purchase 3 CDs if there are 3 to choose from, 4 cassettes if there are 7 to choose from, and 2 DVDs if the

Lesechka [4]

<span>3C3 X 7C4 X 4C2 = 210 </span>

5 0

3 years ago

Read 2 more answers

Need help will mark Brainliest

Svetach [21]

Answer:

250 ft.

Step-by-step explanation:

It seems that you are learning the side-splitter theorem right now. If a line is parallel to one side of the triangle and intersects the other two sides, it divides the side proportionally. From the picture we can tell that the streets are parallel, with a line of intersection. Therefore, we can create the following equation of proportionality:

$\frac{375}{300} = \frac{x}{200}$

Now that we have this equation, we can use the <u>butterfly method</u> to solve for x. We <u>cross multiply</u>:

$375*200=300x\\$

Now, all we have to do is <u>isolate</u> the variable to find x:

$75000=300x\\x=250$

Therefore, the distance of Orange Ave between the 3rd St. and 4th St. is 250 ft.

<em>I hope this helps! Please let me know if you have any further questions :)</em>

5 0

2 years ago

22x^2 y^2 / 11x^2 y^2 ?

Wewaii [24]

Factor 11 x^2 y^2 out of both the numerator and the denominator to get 2(11 x^2 y^2)/11x^2 y^2, which is clearly equal to 2.

4 0

3 years ago

The scatter plot compares the number of movie tickets sold at a theater daily for 7 days. Which is a reasonable conclusion based

g100num [7]

Answer: D

Step-by-step explanation:

6 0

3 years ago

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