2 years ago

Factorise and simplify 2(3+6)

Mathematics

1 answer:

ExtremeBDS [4]2 years ago

6 0

Use (PEMDAS)
2(3+6)
2(9)
18 is your answer

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2 years ago

What is the average of 66 and 149.

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3 years ago

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The polynomial −16t^2+550 gives the height of a ball t seconds after it is dropped from a 550-foot-tall building. Find the heigh

zhenek [66]

Answer:

486 feet

Step-by-step explanation:

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3 years ago

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3 years ago

. If mZJ= (7x + 13)", mZK = (83 - 2x), and

OLga [1]

Answer:

m∠J = 76°
m∠K = 65°

Step-by-step explanation:

The sum of angle measures is ...

(7x +13)° +(83 -2x)° = 141°

5x +96 = 141 . . . . . collect terms, divide by °

5x = 45 . . . . . . . . . subtract 96

x = 9 . . . . . . . . . . . divide by 5

7x +13 = 7·9 +13 = 76 . . . . . find m∠J

m∠J = 76°

m∠K = 141° -76°

m∠K = 65°

8 0

2 years ago