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kirill115 [55]
2 years ago
13

1 x2 + 7x + 12 = ________________________

Mathematics
1 answer:
Phantasy [73]2 years ago
7 0

Answer:

1. 9x +12

2.  -x = -10

3. x+25/2

4. 2 (x - 50)

5. 8x - 9

6. 32x - 21

7. 8x - 24

8. 2 (x - y)

9. x - 81/2

10. 72x - 200y

Step-by-step explanation:

hope this helps!! :)

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Find the standard form of the quadratic equation: f(x)=(2x-1)(x+4)
katrin [286]

Answer:

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Step-by-step explanation:

\because \: f(x) = (2x - 1)(x + 4) \\  \therefore \:f(x) =  2x(x + 4)  - 1(x + 4) \\ \therefore \:f(x) =  2x ^{2}  + 8x -   x  -  4 \\ \therefore \:f(x) =  2x ^{2}  + 7x  -  4 \\

3 0
3 years ago
It costs $35 per hour to rent a boat at the lake. You also need to pay a $25 fee for safety equipment. You have $200. For how lo
IrinaVladis [17]
$25 + $35x = $200
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So you could rent the boat for 5 hours.
3 0
3 years ago
You own you have only $1,000 the price of a TV set is 1150 can you buy the TV if you get a 10% discounts
mrs_skeptik [129]

Answer:

No

Step-by-step explanation:

If you do 1150 divided by 10 you would get 115 would get 1035 so no

4 0
3 years ago
Read 2 more answers
What is the simplified expression for 2 (x minus 5)?
sp2606 [1]

Answer:

2x-10

Step-by-step explanation:

you have to distribute your parentheses to the 2

5 0
3 years ago
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What is the value of y?<br> A) 130°<br> B) 65°<br> C) 50°<br> D) 25°
Lera25 [3.4K]

Answer:

B

Step-by-step explanation:

180-130=50

180-50=130

130:2=65

4 0
3 years ago
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