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DochEvi [55]
3 years ago
12

Find the product. (a - 8)(a + 2) A. 2a - 6 B. a2 - 16 C. a2 - 10a + 16 D. a2 - 6a - 16

Mathematics
2 answers:
xz_007 [3.2K]3 years ago
5 0

Answer:

  D.  a^2 - 6a - 16

Step-by-step explanation:

The product is found using the distributive property.

  (a -8)(a +2) = a(a +2) -8(a +2)

  = a^2 +2a -8a -16

  = a^2 -6a -16 . . . . . matches choice D

damaskus [11]3 years ago
3 0
It’s D because
A times A is A2
A times 2 is 2A. Then you subtract -8A from two A to get negative six a
That Makes D the only correct answer without solving for the -16.
PLEASE MARK AS BRAINLIEST!!!!!!!! I beg you!
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8 0
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You have two biased coins. Coin A comes up heads with probability 0.1. Coin B comes up heads with probability 0.6.However, you a
Andrews [41]

Answer:

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Step-by-step explanation:

The given question is based on A Conditional Probability with Biased Coins.

Given data:

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<u>By using Bayes' theorem:</u>

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

We know that P(B) = 0.5 = P(A), because coins A and B are equally likely to be picked.

Now,

P(Head) = P(A) × P(head | A) + P(B) × P(Head | B)

By putting the value, we get

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Now put this value in P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)} , we get

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

P(B|Head) = 0.6 \times \frac{0.5}{0.35}

P(B|Head) = 0.857

Similarly.

P(A|Head) = 0.857

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7 0
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Step-by-step explanation:

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Answer:

Hope this helps!

Step-by-step explanation:

The GCF is 5

8 0
2 years ago
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