What is the lowest common denominator of 20 and 24

Answers

Answer 1

Answer: the lowest common denomenator is the smallest common factor of them so
20=1 times 2 times 2 times 5
24=1 times 2 times 2 times 2 times 3
the lowest common denomenator is 1

I think the question should have been. what is the greatest common factor (4) or what is the smallest common multiple (120)

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The product of a + 3 and –2a2 + 15a + 6 is –2a3 + xa2 + 51a + 18. What is the value of x?

Answers

Value of x is 9 As when we multiply a + 3 by -2a2 + 15a + 6 We get (a + 3) (-2a2 + 15a + 6) -2a3 + 15a2 + 6a - 6a2 + 45a + 18 -2a3 + 9a2 + 51a + 18 If we compare the coefficients of a2, we get x = 9

Answer:

Step-by-step explanation:

A teacher is having three students take care of 28 goldfish during the summer. He gave some of them to Alaina. Then he gave twice as many Miguel. He gave twice as many to Kira as he gave to Miguel. How many fish did each student get?

Answers

Answer:

Alaina got 4, Miguel got 2(4) = 8 while Kira got 2(8) = 16

Step-by-step explanation:

Let the number he gave to Alaina be x. Now, we know he gave twice as many to Miguel. Amount received by Miguel is 2x.

He gave Kira 2 times what he gave Miguel, that is 2x * 2 = 4x

Addition of all these equals 28. We now get x

4x + 2x + x = 28

7x = 28

X = 28/7

x = 4

Alaina got 4, Miguel got 2(4) = 8 while Kira got 2(8) = 16

Can you guys please help me!!

Answers

32 it’s as simple as 4(5) + 12

Answer:

a. 32

b. 32

Step-by-step explanation:

a. 12 + 4y

They gave us the value of "y" which is "5", and substitute that into the expression.

12 + 4y

12 + 4(5)

12 + 20

b. 4 (y + 3)

They gave us the value of "y" which is "5", and substitute that into the expression.

4 ( y + 3 )

4 ( 5 + 3)

Distributive property (multiply what is in the parenthesis by what is out of it (4))

4 * 5 + 4 * 3

20 + 12

Hope this helped!

Have a supercalifragilisticexpialidocious day!

73/260 73 is what percent of 260. also 42/220 42 is what percent of 220. please help.

Answers

73 = x(260). Translate the word "is" as equals, and "of" as multiply. Divide both sides by 260 (as you already did): 73/260 = x

73/260 = 28%. (Move the decimal point two positions to the left).

42/220 = 19%.

the music department of a department store sold 12 just CDs last month jazz sells during the month we have 2% of the music departments total sales suppose that the store sells 14 sets jazz CDs during the next month and the percent of the sales from the jazz CDs is still 2% what is the total number of the CDs that the store will sell