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riadik2000 [5.3K]
3 years ago
14

Math help, please! cannot do the last one

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

-99.9

Step-by-step explanation:

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Factor –8x3 – 2x2 – 12x – 3 by grouping. what is the resulting expression? (2x2 – 3)(4x 1) (–2x2 – 3)(–4x 1) (2x2 – 3)(–4x 1) (–
myrzilka [38]

The factors of the expression are \rm (4x+1)(-2x^2-3)

<h3>How to find factors in the expression?</h3>

First group the first two terms and the last two terms together respectively.

The factors of the expression are given by;

\rm -8x^3 -2x^2 - 12x - 3\\\\-2x^2(4x+1)-3(4x+1)\\\\(4x+1)(-2x^2-3)

Hence, the factors of the expression are \rm (4x+1)(-2x^2-3).

To know more about factors click the link given below.

brainly.com/question/9645056

5 0
2 years ago
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Find the slope of the line whose equation is 5y = x - 3.<br> a)-3<br> b)-3/5<br> c)1/5<br> d)5
Wewaii [24]
Y=mx+b
m=slope
solve for y

5y=x-3
divide both sides by 5
y=(1/5)x-(3/5)
slope=1/5


C is answer
3 0
3 years ago
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Pzz look at this problem first person with correct answer will get branliest
galina1969 [7]

Answer:

h,  negative,  negative

Step-by-step explanation:

4 0
3 years ago
Ryan is buying batteries for his remote control cars. Charge Zone batteries cost $15.80 for 20 batteries. Electrocell batteries
Montano1993 [528]

Answer:

Charge Zone

Step-by-step explanation:

If Charge Zone (CZ) costs 15.80 for 20, and Electrocell batteries (EB) costs 8.10 for 10 batteries, you would find the price and quantity amount by multiplying by two. 8.10x2= 16.20, which is more than CZ.

Therefore, CZ is of better value.

5 0
3 years ago
Factor completely: 3a^2 + 5a − 12
jarptica [38.1K]
Your answer would be the second option, (3a - 4)(a + 3).

We can see that this is the correct answer as if we expand it using FOIL, we get 3a² + 5a - 12:

(3a × a) + (3a × 3) + (-4 × a) + (-4 × 3) = 3a² + 9a - 4a - 12
= 3a² + 5a - 12.

I hope this helps!
4 0
3 years ago
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