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antiseptic1488 [7]
3 years ago
14

Factor: -12n - 20 they are asking for an expression

Mathematics
1 answer:
katen-ka-za [31]3 years ago
5 0

Answer:

-4(3n+5)

Step-by-step explanation:

Factored -4 out of -12n-20. Let me know if this answers the question!

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Hey, Its the same person. This is Algebra 2. Please Help!
suter [353]

Answer:

first option

Step-by-step explanation:

Given

f(x) = \frac{2x^2+5x-12}{x+4} ← factorise the numerator

     = \frac{(x + 4)(2x-3)}{x+4} ← cancel (x + 4) on numerator/ denominator

     = 2x - 3

Cancelling (x + 4) creates a discontinuity ( a hole ) at x + 4 = 0, that is

x = - 4

Substitute x = - 4 into the simplified f(x) for y- coordinate

f(- 4) = 2(- 4) - 3 = - 8 - 3 = - 11

The discontinuity occurs at (- 4, - 11 )

To obtain the zero let f(x) = 0, that is

2x - 3 = 0 ⇒ 2x = 3 ⇒ x = \frac{3}{2}

There is a zero at ( \frac{3}{2}, 0 )

Thus

discontinuity at (- 4, - 11 ), zero at ( \frac{3}{2}, 0 )

7 0
3 years ago
15 POINTS - What is the value of the expression when y=2? See image.
artcher [175]

Answer:

6

Step-by-step explanation:

The given expression is;

\frac{2-y}{4+y}+\frac{3(y+2)}{y}

When y=2, the expression becomes;

\frac{2-2}{4+2}+\frac{3(2+2)}{2}

This simplifies to;

\frac{0}{6}+\frac{3(4)}{2}

0+3(2)

Multiply to get;

0+6=6

The value of the expression when y=2 is 6.

6 0
3 years ago
Help me please thanks
TiliK225 [7]
I think the answer should be $8.75.
4 0
3 years ago
Read 2 more answers
Answer with work please
Lilit [14]
5 times 12=x times 4
switch sides- x times 4= 5 times 12
x times 4=60
x times 4        60
--------------   =  ------
4                       4
x=15

Hope this helps!! Feel free to thanks me, rate me 5/5 and make me brainliest!!
3 0
4 years ago
Carlos received 84 votes. That was 3 of every 7 votes cast in the class president election. How many votes were cast?
Step2247 [10]
336 votes total.

if he got 84 votes 3/7 so you take 84 times 4 (i got four by subracting 3 from 7 and got the remaining votes) and you will get 336 votes. hope this helps! :)
5 0
3 years ago
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