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zloy xaker [14]
3 years ago
14

What LCM of 9 and 21

Mathematics
2 answers:
jeyben [28]3 years ago
5 0

Answer:

63

Step-by-step explanation:

21: 21, 42, 63

9: 9, 18, 27, 36, 45, 54, 63

I am joyous to assist you anytime.

ratelena [41]3 years ago
4 0
The least common multiple of 9 and 21 is 63
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A school club sold 300 shirts. 31% were sold to fifth-graders, 52% were sold to sixth graders, and the rest were sold to teacher
Valentin [98]

Answer:

Fifth graders= 93 shirts

Sixth graders= 156 shirts

Teachers= 51 shirts

Step-by-step explanation:

31% of 300 is 93

52% of 300 is 156

The total number of shirts sold to fifth graders and sixth graders is:

156+93= 249

The number of shirts sold to teachers is:

300-249= 51

6 0
3 years ago
Math help. you could just answer the inequality and I can do the rest but it would be helpful you you could answer both.
REY [17]

Answer:

Answer is first line

Step-by-step explanation:

-7(x+9) >= 37+3x

Going to solve for x:

-7x - 63 >= 37 + 3x

-7x - 3x >= 37 + 63

-10x  >= 100

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x <= -10

7 0
2 years ago
The numbers 0.23350 has how many significant figures?
Alenkinab [10]

Significant figures are the digits that carry meaning to its measurement. Significant figures includes all the numbers excluding all the leading zeros, trailing zeros. All non zero digits are significant. Zeros between the non zero digits are significant. In a decimal number, trailing zeros are significant.

Now, consider the given number 0.23350

Since, in a decimal number all the trailing zeros are significant.

So, in the number 0.23350 there are five significant figures 2,3,4,5 and 0.

Therefore, there are 5 significant figures in the given number.

3 0
3 years ago
Read 2 more answers
Classify the statement as either true or false.<br> lim<br> 6 = 6
asambeis [7]

Answer:

false

Step-by-step explanation:

if is 6= you need to time by it self like: 6×6=is ur answer

4 0
3 years ago
Students were asked to write 6x + Xx - 3x +
Anastasy [175]

Answer:

Sorry

Step-by-step explanation:

Where are the answer of the four students?

7 0
3 years ago
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