3 years ago

What is 2c^2 + 6c - 8

1 answer:

6 0

First you find the greatest conman factor which is 2
then simplify and multiply 2 by (c-1)(c+4)
after factor our answer
is 2(c-1)(c+4)

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Snezhnost [94]

Answer:

The new mean is 77cm

Step-by-step explanation:

If the mean height of the 30 children in a room is 76 cm, then the sum of their ages is

$30 \times 76 = 2280cm$

If James with height 107cm joins them, then the total number of children now becomes 30+1=31 and the total height becomes: 2280cm+107cm=2387cm

The new mean now becomes:

$\bar x = \frac{2387}{31} = 77cm$

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2 years ago

Bess [88]

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natta225 [31]

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ladessa [460]

Answer:

38.5sqft

Step-by-step explanation:

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2 years ago

dezoksy [38]

Answer: 640

Step-by-step explanation:

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