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Alla [95]
3 years ago
8

Which of the following equations is used to calculate the probability of event A happening, given that event B has occurred?

Mathematics
1 answer:
Naddika [18.5K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

Not much to explain

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Find the length of the leg(s) of a right triangle, to the nearest hundredth, if both legs are equal and the hypotenuse is 10.
charle [14.2K]

Answer:

7.07 units

Step-by-step explanation:

Use the Pythagorean theorem for the right triangle:

\text{hypotenuse}^2=\text{leg}_1^2+\text{leg}_2^2,\\ \\c^2=a^2+b^2.

If a = x, b = x, and c = 10, then

10^2=x^2+x^2,\\ \\100=2x^2,\\ \\x^2=50,\\ \\x=\sqrt{50}=5\sqrt{2}\approx 7.07\ units.

7 0
3 years ago
Choose the BEST estimate!
Novay_Z [31]

Answer:

About 300 dollars

Step-by-step explanation:

THe best estimate for week one is 300, because 96 rounds to 100, and 100 * 3 equals 300.

The best estimate for week 2 is 600, because 204 rounds to 200, and 200 * 3 equals 600.

600 - 300 = 300, therefore the difference is about 300 dollars.

Hope this helps!

4 0
3 years ago
For his research report, Derek writes 21 pages in a week. Which shows his writing rate in pages per day?
Gelneren [198K]

Answer:

3 pages per week

Step-by-step explanation:

21 (pages written)/ 7 (amount of days)

21/7= 3

6 0
3 years ago
What is the slope of the line through -5,7 and -5,-8
makvit [3.9K]

Answer:

Undefined

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
About how far does the S wave travel through Earth in 13 minutes?
bija089 [108]

Answer:

C. 6,000 km

Step-by-step explanation:

v = speed at S-wave travel through the earth = 8 km/sec

t = time of travel for the S-wave through the earth = 13 minutes = 13 x 60 seconds = 780 seconds                     (Since 1 minute = 60 seconds)

d = distance traveled by S-wave in the given time interval

Distance traveled by S-wave in the given time interval is given as

d = v t

inserting the above values in the formula

d = (8 km/sec) (780 sec)

d = 6240 km

the closest choice is 6000 km at option C

So Option C


3 0
3 years ago
Read 2 more answers
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