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VARVARA [1.3K]
3 years ago
10

w^(2) + 11w + 18 ? the sum of the factors of each constant term should be positive or negative when you factor the trinomial ?

Mathematics
1 answer:
OverLord2011 [107]3 years ago
4 0
(x+9)(x+2) both positive when all are positive

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The LCD is a + 1 (a + 1)³ (a + 1)6
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Answer:

1

Step-by-step explanation:

8 0
2 years ago
A set of 9 numbers has a mean of 20. What additional number must be included in this set to create a new set with a mean that is
PIT_PIT [208]

<em>Greetings from Brasil...</em>

The average for a set of 9 elements will be

(A + B + C + D + E + F + G + H + I) ÷ 9 = 20

Let's make (A + B + C + D + E + F + G + H + I) like S

<em>(I chose S to remember a sum)</em>

Let us think.....

S ÷ 9 = 20

S = 20 × 9

S = 180

So,  (A + B + C + D + E + F + G + H + I) = 180

According to the statement, we will include a number (element J) in the sum to obtain a mean of (20 - 4), that is:

<h3>(A + B + C + D + E + F + G + H + I + J) ÷ 10 = (20 - 4)</h3>

as seen above, (A + B + C + D + E + F + G + H + I) = 180, then

(180 + J) ÷ 10 = 16

(180 + J) = 160

J = 160 - 180

<h2>J = - 20</h2><h2 />

So, including the number - 20 <em>(minus 20)</em> in the original mean we will obtain a new mean whose result will be 16

3 0
3 years ago
In Science class, Mrs. Olson had 30.6 pounds of metamorphic rock. Mrs. Olson had to divide the rocks into 9 different containers
JulijaS [17]

The answer is 3.4 because 30 can’t be divided equally into 9, reason being that 9 x 30 = 270 which doesn’t make sense, so you have to divide 30 equally into 9 parts then turn it into a ratio.

7 0
3 years ago
Read 2 more answers
Which system has no solution y=-3x+8 6x+2y=-4.5
Galina-37 [17]
I think it’s y=3x+8 I’m not sure if that’s what you’re asking me
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2 years ago
Integers -4-(-7)<br><br> How would I do this
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Answer:

3

Step-by-step explanation:

-4-(-7)=

-4+(7)=

3

3 0
2 years ago
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