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sergij07 [2.7K]
3 years ago
13

What is the sum of the roots of the polynomial shown below? f(x) = 3r?+ 12x² + 3x - 18

Mathematics
1 answer:
densk [106]3 years ago
6 0

Answer:

24x+3

Step-by-step explanation:

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What percent of 12 is 9?<br> A. 25%<br> B. 67%<br> C. 75%<br> D. 108%<br> E. 133%
Sergeu [11.5K]

Answer:

75%

Step-by-step explanation:

75% = 3/4

3/4 * 12 = 9

6 0
3 years ago
X + Y is equal to 5 x minus Y is equal to 4 find the value of find the value of x square minus y square ​
Grace [21]

Answer: 20

Step-by-step explanation:

x+y=5

x-y=4

---------

x+y=5

x=4+y

--------

(4+y)+y=5

4+y+y=5

 4+2y=5

      2y=1

        y=0.5

        x=4.5

---------

x²-y²=(4.5)²-(0.5)²=20.25-0.25=20

7 0
3 years ago
What happens when the two addends have opposite signs and the number with the larger magnitude (size) is positive?
zimovet [89]

Answer:

The smaller addend is subtracted from the bigger addend

Step-by-step explanation:

Represent the two numbers with a and b such that a > b

So, the mathematical representation will be

+a + (-b)

Open the bracket

+a -b

<em>This implies that the smaller addend (b) is subtracted from the bigger addend (b)</em>

<em></em>

<em>Take for instance; a = 6 and b = 4</em>

<em>This gives</em>

<em></em>+6 + (-4)<em></em>

<em></em>

<em>Open the bracket</em>

<em></em>= +6 - 4<em></em>

<em></em>= 2<em></em>

7 0
3 years ago
Please help me figure this out!!
SpyIntel [72]

Answer:

$400 \frac{18}{25} OR \frac{10018}{25}

Step-by-step explanation:

$400 stays the same, 72 cents is 72/100. Simplify and voila

6 0
3 years ago
Read 2 more answers
Please help me ASAP!! Will give Brainliest + lots of points to correct answer!!!
vekshin1

Answer:

C. Yes, the angle must be in between the two sides!

8 0
3 years ago
Read 2 more answers
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