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Alex73 [517]
3 years ago
15

Need help with compound fractions. Please answer both

Mathematics
1 answer:
Reika [66]2 years ago
6 0
\frac{8*( \frac{c}{c} )- \frac{3}{c} }{2*( \frac{7c}{7c})+ \frac{3}{7c}  }  \\  \\  \frac{ \frac{8c-3}{c} }{ \frac{14c+3}{7c} }  \\  \\  \frac{8c-3}{c} * \frac{7c}{14c+3}  \\  \\ =  \frac{56c-21}{14c+3}

Domain restrictions are what x values make the denominator zero.
a² + 5a - 36 = (a + 9)(a - 4)
a ≠ -9 ; a ≠ 4
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How do you factor 5x^2b^2 + 14xb^2 -3b^2
Monica [59]

Answer:

5b^2(x-0.2)(x+3)

Step-by-step explanation:

The first thing that I noticed was that all of the terms had a common factor of b^2. You can therefore factor that out first:

5x^2b^2 + 14xb^2 -3b^2= \\\\b^2(5x^2+14x-3)

Now, you have a quadratic equation inside the parentheses. Factoring, you find that the roots are -0.2 and 3, meaning that you can further factor this expression to be:

5b^2(x-0.2)(x+3)

Hope this helps!

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3 years ago
vocabulary. use a vocabulary term to complete the definition ---------------are numbers that are easy to compute mentally
erma4kov [3.2K]
I THINK the answer is compatible numbers.............. but I'm pretty sure it is compatible numbers
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3 years ago
Lou says to his granddaughter Audrey, "Even if you tripled your age and added 9, you still wouldn't be as old as I am.” Lou is 6
luda_lava [24]

Answer:

3x+9 < 60 where x = Audrey's age

Step-by-step explanation:

Lou says "even if you tripled you age", which means that if Audrey's age is represented by the variable x, then we would multiply it by 3 to get 3x. the next part says "and add 9". We already have the 3x, so we would just tack on a +9 to get 3x + 9. The last part says "you still wouldn't be as old as me." Given that 3x+9 represents Audrey's age, this equation would have to be less than Lou's age, which in this case is 60.

8 0
2 years ago
Identify the rule for the following pattern:<br> 99, 90, 81...
PilotLPTM [1.2K]
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3 years ago
My bed is 3 inches by 2/3 inches wide by 1/3 inch. What is the volume of my bed?
kolezko [41]

Answer:

6/9 inches

Step-by-step explanation:

3/1 × 2/3 × 1/3 =  6/9 inches

7 0
2 years ago
Read 2 more answers
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