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2 years ago

Can anyone help mewith this probability question.

Mathematics

1 answer:

Brrunno [24]2 years ago

6 0

Answer:

It's 0.72

Step-by-step explanation:

It's independent of gender, so we can ignore the boys and girls part.

Adding the columns, 18 pass and 7 failed the last history test.

Adding those two numbers, you get 25.

So, 25 people took the test, and 18 passed.

You can get the probability by dividing 18 by 25.

Dividing that gives us 0.72

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The temperature in an oven changes from 350 degrees to 362 degrees. What is the percent increase in temperature, to the nearest

Aleksandr-060686 [28]

Answer:

it's 3.4%

Step-by-step explanation:

You take the difference of 362 and 350 (which is 12) and divide it by the starting number (350) getting you 3.4

5 0

2 years ago

The Software Company earned 2,247,852,199 dollars last year. This year they earned 3,000,962,245 dollars. Which is the best esti

RSB [31]

You know the following information:

1. The amount of money (in dollars) earned last year was:

$2,247,852,199$

2. The amount of money (in dollars) earned this year, is:

$3,000,962,245$

Then, to estimate the sum (the total amount of money the Software Company earned in those two years, you can round the numbers to the nearest billion.

Having:

$2,247,852,199$

You need to look at the digit located in the Hundred millions place. Notice that this is:

$2$

Then, since:

$2$

You need can't round up. Then:

$2,247,852,199\approx2,000,000,000$

Now, having:

$3,000,962,245$

You can identify that the digit in the Hundred millions place is

$0$

Therefore:

$3,000,962,245\approx3,000,000,000$

Now you can add the numbers rounded:

$2,000,000,000+3,000,000,000=5,000,000,000$

Hence, the answer is: Option B.

5 0

1 year ago

Find the unit rate of miles per hours of a plane that travels 3610 miles in 33.5 hours

Alik [6]

Plane would be going 107.761194. 3610 divided by 33.5 is about 107

3 0

3 years ago

Read 2 more answers

PLEASE HELP ME! THANK YOU! :)

QveST [7]

All we need to do is to divide August and September rainfall measurements into two equal halves and then substract 0.6 from one of them and add 0.6 to the other one.

6.2 ÷ 2 = 3.1
3.1 - 0.6 = 2.5
3.1 + 0.6 = 3.7

It's said that in August there was 0.6 inch more rainfall, so the bigger value (3.7 inches) is for August and the smaller value (2.5 inches) is for September.

4 0

3 years ago

I need help with (-2.3) * 4.7

kykrilka [37]

(-2.3)*4.7 would be equal to -10.81

8 0

2 years ago