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Arte-miy333 [17]
3 years ago
8

Simplify:

Mathematics
1 answer:
MariettaO [177]3 years ago
7 0

Answer: A) 6x+2

Step-by-step explanation:

I just figured it out

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This is due tomorrow and i have answers but i think ive done it wrong! please help
Eva8 [605]

Answer:  i) 1 - 9x² - 12x

               ii) 17 - 3x²

             iii) - 20 + 10x² - x⁴

<u>Step-by-step explanation:</u>

g(x) = 3x + 2       h(x) = 5 - x²

i) h(g(x))

  h(3x + 2) = 5 - (3x + 2)²

                  = 5 - (9x² + 12x + 4)

                  = 5 - 9x² - 12x - 4

                  = 1 - 9x² - 12x

ii) g(h(x))

   g(5 - x²) = 3(5 - x²) + 2

                 = 15 - 3x² + 2

                 = 17 - 3x²

iii) h(h(x))

   h(5 - x²) = 5 - (5 - x²)²

                 = 5 - (25 - 10x² + x⁴)

                 = 5 - 25 + 10x² - x⁴

                 = -20 + 10x² - x⁴

4 0
3 years ago
Find the 22nd term of the arithmetic sequence whose common difference is d=5 and whose first term is a,=4.
Mars2501 [29]

Answer:

109 is the 22nd term

Step-by-step explanation:

7 0
2 years ago
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A grading machine can grade 48 multiple choice test in one minute how long will it take the machine to grade 300 hundred
VashaNatasha [74]

Answer:

I believe it would be 14,400

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Find the missing sides of the triangle ABC : sin B = 3, c= 12
KATRIN_1 [288]

Answer:

its 4 because none of them are listed

Step-by-step explanation:

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3 years ago
Fill in the blanks find P A And si
arlik [135]

The answer will be Rs. 4330.

Step-by-step explanation:

Because if you subtract 340 from 4670, you will get the answer which is 4330.

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2 years ago
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