MATHEMATICS MIDDLE SCHOOL

What is the least common multiple of 12, 20, and 18?

Answers

Answer 1
Answer: The answer is 180.
12 times 15 equals 180
18 times 10 equals 180
20 times 9 equals 180
Answer 2
Answer:

Answer: 180

Step-by-step explanation:

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Sara's savings account balance changed by -$34 one week and by -$67 the next week .Which amount represents the greater change?

Answers

Answer:

Change in one week is more than the change in the next week

Step-by-step explanation:

Change in Sara's savings account balance in one week = - \$ 34

Change in Sara's savings account balance in next week = - \$ 67

Tens digit in 34 = 3

Tens digit in 67 = 6

If we compare the tens digit of 34 and 67, we get 6> 3

So, 67> 34

On multiplying both sides by -1 , we get -67< -34.

{ We know that negative sign changes sign of inequality }

So, we get change in one week is more than the change in the next week .
The greater change is represented by the absolute magnitude

|-34| = 34
|-67| = 67

67 > 34

-67 represents the greater change

Choose the correct equivalent factored form for the expression below.
X^4 – 121

Answers

Answer:

(x^2+11)(x^2-11)

Step-by-step explanation:

You didn't list the options, but it should be:

(x^2 + 11) (x^2 - 11)

We use this formula: a^2 - b^2 = (a + b) (a - b)

How can I work out 30% of (blank) is 60?

Answers

0.3x=60\n x=200

What is 6.9 times 100

Answers

6.9 x 100 = 690
6 x 100 = 600
0.9 x 100 = 90
600 + 90 = 690
6.9❌100 equal 690 or just move the decimal to right 2 time

Carly and Ramil share 7 yards of ribbon equally. How much ribbon will each get?​

Answers

Answer:

3.5yd each

Step-by-step explanation:

Total yard to be shared = 7

Ratio to be shared=  1:1 since they share equally.

Therefore Carly share = 1/2 ×7 = 3.5 yd

Ramil share is same as Carly = 3.5yd

I hope this was helpful, please mark as brainliest

Cierra has 3 more than one half as many purses as Aisha. Define a variable and write an expression to represent the number of purses in Cierra's collection. Then find the number of purses in Cierra's collection if Aisha has 12 purses.

Answers

1/2x + 3 1/2(12) + 3 6+3=9 X= number of purses

Answer: 9 purses

Step-by-step explanation:

Let X be the unknown number. Technically X is 12 because it says in the problem. X1/2+3= 12×1/2= 6+3= 9. So, 9 purses
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