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puteri [66]
3 years ago
10

What is the factterd form for the eqaution 3x^2+8x+4

Mathematics
1 answer:
Galina-37 [17]3 years ago
5 0

Answer:

(3x+2)(x+2)

Step-by-step explanation:

1 Split the second term in 3{x}^{2}+8x+43x

​2

​​ +8x+4 into two terms.

3{x}^{2}+6x+2x+43x

​2

​​ +6x+2x+4

2 Factor out common terms in the first two terms, then in the last two terms.

3x(x+2)+2(x+2)3x(x+2)+2(x+2)

3 Factor out the common term x+2x+2.

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What is the range of possible sizes for side x? _ < x < _
allochka39001 [22]

Answer:

  0.5 < x < 16.5

Step-by-step explanation:

The third side of the triangle must be longer than the difference of the other two sides:

  x > (8.5 -8.0)

  x > 0.5

And it must be shorter than their sum:

  x < (8.5 +8.0)

  x < 16.5

The third side must be in the range ...

  0.5 < x < 16.5

_____

These limits are a direct consequence of the triangle inequality, which requires the sum of the two shortest sides exceed the length of the longest side.

3 0
3 years ago
Write a rule for a geometric sequence that has -6 as its first term and a common ratio of 2. What is the tenth term of this sequ
slega [8]
The general form of the geometric sequence is a_{n} = a_{1} (r) ^{n-1}, where a sub n is the number term you're looking for (we're looking for the tenth term). a sub 1 is the first term in the sequence (ours is -6), r is the common ratio, and n-1 is the numbered term you're looking for minus 1.  Our formula then looks like this: a_{10} =-6(2) ^{10-1}.  Simplify it to  a_{10} =-6(2)^9.  Take 2 to the 9th power then multiply it by -6 to get -3072.  C is your answer.
3 0
3 years ago
I need help PLEASE ANYONE ASAP???):??!!!!!!
Colt1911 [192]

Answer:

D.

Step-by-step explanation:

2y = (2 x y) = 2 x 0 = 0

<em>0 - 0 = 0</em>

4 0
3 years ago
Read 2 more answers
URGENT PLEASE: You purchase a new guitar and take out a loan for $450. You have 18 equal monthly payments of $28 each. What is t
kramer
Answer:
8%

Step-by-step explanation:
The amount repaid is ...
A = P(1 +rt)
Filling in the given values, we can find r.
(18·28) = 450(1 +r(18/12)) . . . . . t is in years
504 = 450 + 675t

54/675 = 0.08 = 8%

The simple interest rate on the loan is 8%.
8 0
3 years ago
Solve for b? Please !!
____ [38]

Answer:

b= 10.58

Step-by-step explanation:

4 0
3 years ago
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