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algol [13]
2 years ago
15

The HCF of 2 numbers is 18 and and their product is 1620. Find the LCM of the numbers

Mathematics
1 answer:
aev [14]2 years ago
7 0

<em><u>ANSWER</u></em>

My answer is in the photo above

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The formula for converting the length from meters to centimeters is given as M = . Rewrite the following equation so that C is a
MAVERICK [17]
1 meter is equal to 100 centimeters so half of one meter is 0.5 so half of one centimeter is 50 centimeters.
4 0
3 years ago
Trevor ran a race in 1 4/5 hours. He ran a total of 8 1/3 miles. How far did he run in one hour?
gulaghasi [49]

Answer:

4.63

Step-by-step explanation:

4/5 of an hour is 48 minutes

1 4/5 hour is 60 + 48

which is

108 minutes

he ran 8 1/3 miles in 108 minutes

so

(8 1/3 times 60 ) ÷ 108

which =

4.6296296296 miles in one hour

6 0
2 years ago
Read 2 more answers
What is the GCF of 6x, 12y , 18?
Dima020 [189]

Answer:

6 just 6

Step-by-step explanation:

6 is the greatezst and the all have the common factor of 6

3 0
3 years ago
Candice is preparing for her final exam in Statistics. She knows she needs an 65 out of 100 to earn an A overall in the course.
sertanlavr [38]

Answer:

a. 72

b. 816

c. 570

d. 30

Step-by-step explanation:

Given the graph is a bell - shaped curve. So, we understand that this is a normal distribution and that the bell - shaped curve is a symmetric curve.

Please refer the figure for a better understanding.

a. In a normal distribution, Mean = Median = Mode

Therefore, Median = Mean = 72

b. We have to know that 68% of the values are within the first standard deviation of the mean.

i.e., 68% values are between Mean  Standard Deviation (SD).

Scores between 63 and 81 :

Note that 72 - 9 = 63 and

72 + 9 = 81

This implies scores between 63 and 81 constitute 68% of the values, 34% each, since the curve is symmetric.

Now, Scores between 63 and 81 =  

= 68 X 12 = 816.

That means 816 students have scored between 63 and 81.

c. We have to know that 95% of the values lie between second Standard Deviation of the mean.

i.e., 95% values are between Mean  2(SD).

Note that 90 = 72 + 2(9) = 72 + 18

Also, 54 = 63 - 18.

Scores between 54 and 90 totally constitute 95% of the values. So, Scores between 72 and 90 should amount to  of the values.

Therefore, Scores between 72 and 90 =  

= 570.

That is a total of 570 students scored between 72 and 90.

d. We have to know that 5 % of the values lie on the thirst standard Deviation of the mean.

In this case, 5 % of the values lie between below 54 and above 90.

Since, we are asked to find scores below 54. It should be 2.5% of the values.

So, Scores below 54 =  

= 2.5 X 12 = 30.

That is, 30 students have scored below 54.

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
No links, I just need an explanation on how to do this, like step by step because I don't understand. T-T
Goryan [66]

Answer:

a. Jared and Ali

Step-by-step explanation:

b. Molly make mistake when he/she divide all equation by 4 but left the 8x remain 8x, it should be 2x.

Mark make mistake in changing the sign whitout changing side/ passing trough equal sign. FYI, + can be - and also - can be + if they move to the other side

i.e.

2 + 3 = 5

2 = 5 - 3

7 0
3 years ago
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