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Travka [436]
3 years ago
14

The mean of five numbers is 8.

Mathematics
1 answer:
Komok [63]3 years ago
5 0

Answer:

14

Step-by-step explanation:

5 time 8=40

40 = total

6 times 9=54

54-40=14

I hope this will help

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SOMEONE PLEASE HELP ME WITH THIS ALL YOU HAVE TO DO IS ANSWER THE QUESTION PLEASE
ratelena [41]
When I clicked the image it said not found...
5 0
3 years ago
Cheryl solved a problem: 84 ÷ 0.01 = 8,400.
Alexandra [31]

Answer:

Cheryl is correct.

Step-by-step explanation:

Cheryl solved a problem : 84 ÷ 0.01 = 8,400.

This is absolutely right.

When we divide any whole number with the divisor having decimal, we change the divisor to a whole number before performing the division.

To do this, we multiply both the numbers (divisor and dividend) by the same power of 10, until the divisor is a whole number.

\frac{84\times 10}{0.01\times 10} = \frac{840}{0.1}

to make divisor a whole number we will again multiply both the numbers by 10.

\frac{840\times 10}{0.1\times 10} = \frac{8400}{1} = 8,400

Now answer would be 8400.

Therefore, Cheryl is correct.

7 0
3 years ago
$49.95 CD player; 5% tax
jekas [21]

Answer:

2.4975 round it up to $2.50  equals 52.4475 or $52.45 cents

Step-by-step explanation:

4 0
3 years ago
I need help on this question
Doss [256]
Hi,
Following the rules of PEMDAS you first subtract in the parentheses. 
(5-2)=3
Then multiply the parentheses.
(3)(-6)=-18
Solve the exponent.
-4^2=16
Then you add -18 and 16 to get -2. 
So the answer is B.-2.
I hope this helps.
4 0
3 years ago
An instructional video is 4.2 minutes long. How long is the video in seconds? How long is it in hours?
valkas [14]
First we convert it in seconds.

Number of seconds in 1 minute = 60 seconds
Therefore,
Number of seconds in 4.2 minutes = 4.2 x 60 = 252 seconds.

Next we convert it in hours.

60 minutes make up an hour. So we can write,
Number of hours in 60 minutes = 1 hour
Number of hours in 1 minute = 1/60 hour
Number of hours in 4.2 minutes = 1/60 x 4.2 = 0.07 hour


Therefore, the video is 252 seconds or 0.07 hour long. 
5 0
3 years ago
Read 2 more answers
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