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kherson [118]
3 years ago
8

Consider the function f(x)=x^2+2x-15. What are the x-intercepts of the function

Mathematics
1 answer:
Zina [86]3 years ago
8 0

Let f(x)=0, you'll get x=3 and x=-5, those are the x-intercepts of the function.

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Find the product.<br> (3n - 1)(7n-7)
slega [8]

Answer:

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Step-by-step explanation:

Each term in the second factor is multiplied by each term in the first factor, that is

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= 21n² - 21n - 7n + 7 ← collect like terms

= 21n² - 28n + 7

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3 years ago
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Tamiku [17]

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4a+6b=10<br> 2a-4b=12<br><br> what does 12a =?
Usimov [2.4K]
If you have at least as many equations as your have unknown variables, the 'system' is solvable (unless the equations are copies of eachother).

In this case, isolate one letter and plug it in the other. I'm going for the 2a in the bottom one (it doesn't matter)

2a - 4b = 12 => (divide by two and move the b's to the other side)

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a = 6 + -2 = 4.

So a=4 and b=-1. 


4 0
3 years ago
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Montano1993 [528]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
The cooking class used 18 cups of flour to make 8 identical loaves of bread. How many cups of flour were needed for each loaf ?
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What we need to do is divide 18 by 8 because 18 cups of flour makes 8 loaves of bread. By using a calculator, 18/8 = 2 1/4.
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