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3 years ago

What is the least common multiple of 8 and 12?

1 answer:

4 0

8:8,16,24,32,40,48,56,64,
12:12,24,36,48
Least common multiple is 24 because it's less then the other common multiples such as 48

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Find the value of 7 + b when b= 15. Help ?

Lisa [10]

7 + b

= 7 + 15

= 22

hope it helps!

4 0

2 years ago

Read 2 more answers

Vinvika [58]

Answer:

126 square units

Step-by-step explanation:

Area of section 1 is 8 square units which is triangle and,

Area of triangle is = $\frac{1}{2}\times b\times h$

b= 2 units and height =8 units

So,

Area of section 1 = $\frac{1}{2}\times 2\times 8=8 \quad\text{ square units}$

Same Area is of section 2 which is also a triangle and has same base and height.

So,

Area of Section 2 = $\frac{1}{2}\times 2\times 8=8 \quad\text{ square units}$

Now the Area of section 3 which is square with side of 10 units

So,

Area of section 3 = $a^{2} =10\times10=100\quad \text{square units}$

Total Area of Trapezoid = $8+8+100=126 \quad \text{square units}$

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2 years ago

Estimate math 4/5 - 9/10 =

hichkok12 [17]

Answer:

exact form -0/10

decimal form -0.1

4 0

3 years ago

5 x + 2 y = 26 3 x + 2 y = 14

crimeas [40]

Answer:

x = 6, y =-2

Step-by-step explanation:

5x+2y = 26

3x+2y = 14

Subtract the two equations to eliminate y

5x+2y = 26

-3x-2y = -14

---------------------

2x = 12

Divide by 2

2x/2 = 12/2

x = 6

Now find y

3x+2y = 14

3*6+2y = 14

18+2y = 14

Subtract 18 from each side

18+2y-18 =14-18

2y = -4

Divide by 2

2y/2 = -4/2

y = -2

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3 years ago

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How can knowing ths GCF and LCM help you when you add and subtract and multiply fractions

Alexxandr [17]

Knowing the GCF and LCM helps me when me add and subtract and multiply fractions by breaking the numbers in to 2 different sections and looking at my table of contents

3 0

3 years ago