What is the average of the first 99 counting numbers?

Answers

Answer 1

Answer:
divide 100/2. that will give you the average, 50

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What is a diagram used to show the total number of possible outcomes in a probability experiment

Answers

The diagram used to show the total number of possible outcomes is called a TREE DIAGRAM.

On her science test, Shawn correctly answered 66 out of 78 questions. What percent of the questions did she answer correctly?

Answers

To figure out percetages on tests, divide the number of questions answered correctly by the total number of questions.

66 ÷ 78 = 0.85

Next, move the decimal point over two places.

0.85 = 85%

Shawn got 85% on the science test.

Hi there! ;) The answer to your question is 0.85 or 85%. I got the answer because I divided 66/78(66 divided by 78) which equals 0.845 but I rounded it because 5,6,7,8,9 means round up.

Hope I helped! :D

Expression that can be used to multiply 6 x 198 mentally

Answers

Break it up. 6 x 100, 6 x 90, 6 x 8. 600+540+48 = 1188.

break it down
54
198
* 6
———
1188
(1*1000)*(1*100)*(8*10)*(8*1)=1188

In the year 2000 Detroit, Michigan had a population of 1,144,646. What is this population rounded to the nearest hundred thousand?

Answers

Step one is to find which number is in the hundred thousand's place. We can count right to left to find this out. 6 is obviously in the ones place, then 4 in the 10s, 6 in the 100s, 4 in the 1,000s, 4 in the 10,000s, and finally, a 1 in the hundred thousands. Now we know that the second one in the number, 1,144,646, is in the hundred thousands place. Look at the number right behind it, 4. If the number is 5 or higher, round up, if 4 or lower, round down. Since it's 4, you'd round it to 0, and round all the numbers behind it to 0. Your answer is 1,100,000

What is 0.03703703703 as a fraction

Answers

$n=0.\dot { 0 } 3\dot { 7 } \n \n 1000n=37.\dot { 0 } 3\dot { 7 } \n \n 1000n-n=37$

$\n \n 999n=37\n \n n=\frac { 37 }{ 999 } \n \n n=\frac { 37 }{ 37 } \cdot \frac { 1 }{ 27 } \n \n \therefore \quad n=\frac { 1 }{ 27 }$

$x=0.\overline{037}\n1000x=37.\overline{037}\n1000x-x=37.\overline{037}-0.\overline{037}\n999x=37\nx=(37)/(999)=(1)/(27)$

How many times does the minute hand move around the clock face in one day?

Answers

The hour hand will go around the clock twice during a day, every 12 hours. During a single rotation, the minute hand will go around 12 times. The minute hand will pass the hour hand 11 times in the first 12 hours, and 11 times in the second 12 hours. This means that they will meet 22 times.

To find that, we will start from one minute. How many seconds are there in one minute? There are 60 seconds in one minute.
Now, how many minutes are there in an hour? 60 minutes. So we have to do
60 × 60 = seconds in an hour = 3600 seconds
How many hours are in a day? Well, there are 24 hours in a day.
So 3600 × 24 = seconds in a day = 86400 seconds in a day

There are 86400 seconds in a day.

Other Questions

Greg left work at 4:42 p.m. He had to go to the grocery store, the bank, and the car wash before going home. He got home at 6:17 pm. How long did it take Greg to run his errands?

What fraction with a denominator of 8 is equivalent to 1/2

maple grove wants to include two types of maple trees, the namesake of the city, for their parks two varieties have been selected one variety costs $75 per tree; the other more colorful variety costs $95 per tree the tree budget must not exceed $85,000

Please show your work.