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kicyunya [14]
3 years ago
11

2 Find the product. (3x+6) (2-x)

Mathematics
2 answers:
Amanda [17]3 years ago
6 0
Multiply the like terms

(3x * -x) times (6 *2)
-3x. Times 12
ipn [44]3 years ago
4 0

Answer:

-3x^{2} +12

Step-by-step explanation:

Apply foil method.

(3x)(2)+(3x)(-x)+(6)(2)+(6)(-x)

6x-3x^{2} +12-6x\\

6x and -6x cancels out

-3x^{2} +12

Hope this helps! :]

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If seven times a number is added to the squares of the number and the result is negative twelve, what are the numbers?
AleksAgata [21]
Let's name the number 'n'. Now write an equation. 7*n +n^2 =12Now you can form a quadratic. n^2 +7n-12=0. Now you can use a myriad of methods to solve it. If you still need help, just message me. 
6 0
4 years ago
The school has a $500 budget for pizza. Pizza costs $15 per pie and the school orders 27 of them. How much money will be left in
Fynjy0 [20]

Step-by-step explanation:

27×15=405 which means there is 95$ left

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3 years ago
Butch, Harry, and Nicky are playing a game. Harry has half as many points as
ryzh [129]

Answer:

9

Step-by-step explanation:

H=1/2 * B

N=H-5= 1/2 * B-5

B+H+N= B+(1/2 *B) + (1/2 *B-5)=31

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4 0
4 years ago
Mariam’s uncle donate 120 cans of juice and 90 packs of cheese cracker for the school picnic. Each student must receive the same
monitta

Answer:

8 students,

15 cans of juice and 11 packs of cheese cracker

Step-by-step explanation:

Mariam’s uncle donate 120 cans of juice and 90 - 2 = 88 packs of cheese cracker (eats two packs) for the school picnic.

Factor these numbers:

120=2\cdot 60=2\cdot 2\cdot 30=2\cdot 2\cdot 2\cdot15=2\cdot 2\cdot 2\cdot 3\cdot 5\\ \\88=2\cdot 44=2\cdot 2\cdot 22=2\cdot 2\cdot 2\cdot 11

The greatest common factor is

2\cdot 2\cdot 2=8,

so the greatest number of students who can share the food equally is 8 and each student will get 3\cdot 5=15 cans of juice and 11 packs of cheese cracker.

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3 years ago
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