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Paha777 [63]
2 years ago
14

Factor the trinomial x^2 - 4x - 12

Mathematics
1 answer:
anygoal [31]2 years ago
4 0

Answer:

(x-6)(x+2)

Step-by-step explanation:

Use FOIL to check if the factors work.

x * x = x²

(x * 2) + (x * -6) = 2x - 6x = -4x

-6 * 2 = -12

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Please help! Solve the following:
mihalych1998 [28]

Answer:

n=10.

Step-by-step explanation:

\frac{45}{n^{2}-3n-4 } - \frac{3}{n-4} = \frac{2}{n+1 }

\frac{45}{n^{2}-3n-4 } -  \frac{3(n+1)}{(n+1)(n-4)} = \frac{2(n-4)}{(n+1)(n-4) }

\frac{45}{n^{2}-3n-4 } -  \frac{3n+3}{n^{2} -3x-4} = \frac{2n-8}{n^{2} -3x-4 }

45-3n-3=2n-8

45-3+8=5n

n=50/5=10

4 0
2 years ago
How many Apple are there if Jenny has 17 and Mark has 3
Diano4ka-milaya [45]

Answer:

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8 0
3 years ago
Read 2 more answers
Give two ordered pairs from the graph that will support the idea that the graph is not a function. Explain how your ordered pair
erica [24]
To tell if it is not a function you do a vertical line test. A vertical line test is when you draw a vertical line to test if the ordered pairs are a function or not.If the vertical line intersects the plotted points once it is a function and if the vertical line intersects the plotted points more than once it is not a function. An example of ordered pairs that are not a function is (2,6) and (2,8).
3 0
3 years ago
5(−2) + (2−)2 <br> when =3 and =−2
lyudmila [28]

Answer:

36 is the final value for the equation you posted

Step-by-step explanation:

We are told that = 3 and = −2.

Let's plug these values into the equation.

= (5 ( − 2) + (2 − )^2)

= (5 (3 − 2(−2)) + (2 − 3)^2)

= (5 (3 + 4) + (−1)^2)

= (5 (7) + 1)

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= 36

7 0
3 years ago
Excellence Middle School charges $6.25 for students from all grade levels to attend the school dance. If S represents the number
vlabodo [156]
The answer would be b: 6.25(s+g)

you can already cancel out c., as there’s no way it could be 13.50

since it says it’s $6.25 dollars for all grades and you would be trying to find both 7th and 8th graders, you would need to multiply both variables by the amount they need to pay. in this case, $6.25.
6 0
2 years ago
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