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LekaFEV [45]
3 years ago
7

What is the least common denominator that can be used to x+1 over 8x^2 add 2x-3 over 12x

Mathematics
1 answer:
Bingel [31]3 years ago
6 0

Answer:

Step-by-step explanation:

8x²  = 2 * 2 * 2 * x * x

12x  = 2* 2 *3 * x

Least common number = 2 * 2 * 2 *3 * x * x =  24x²  

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Does anyone know how to factor y^2+49?
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Answer:

(y + 7i)(y - 7i)

Step-by-step explanation:

It cannot be factored using real numbers, but consider

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y² + 49 = (y + 7i)(y - 7i)

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3 years ago
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John had to pay a combined electric and gas bill $150. The electric portion of the bill was $90. What is the ratio of money spen
tatuchka [14]

Given:

John had to pay a combined electric and gas bill $150.

The electric portion of the bill was $90.

To find:

The ratio of money spent on electric to that on gas.

Solution:

Let x be the amount of gas bill.

The electric portion of the bill was $90 and John had to pay a combined electric and gas bill $150.  So,

90+x=150

x=150-90

x=60

The gas portion of the bill was $60.

The ratio of money spent on electric to that on gas is:

\text{Required Ratio}=\dfrac{\text{Electric bill}}{\text{Gas bill}}

\text{Required Ratio}=\dfrac{90}{60}

\text{Required Ratio}=\dfrac{3}{2}

\text{Required Ratio}=3:2

Therefore, the ratio of money spent on electric to that on gas is 3:2.

7 0
3 years ago
Do the following lengths form a right triangle?​
Dmitry_Shevchenko [17]

Answer:

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2 years ago
I need help trying to find the answer to -4(x-1)=-3x+31
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