3 years ago

Once simplified, which of the expressions below is equal to 2x+8? Select all that apply.

Mathematics

1 answer:

romanna [79]3 years ago

5 0

Answer: B) 2(x+4)

Step-by-step explanation: Hope this help :D

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Match each quadratic equation with its solution set.

Luba_88 [7]

Answer:

2x²-32 ⇒ x²=16⇒ (-4,4)

4x²-100 ⇒x²=25 ⇒(-5,5)

x²-55=9 ⇒x²=64 ⇒(-8,8)

x²-140=-19 ⇒x²=121 ⇒(-11,11)

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You are picking out an outfit. Which of the following options shows a closet with 24 different possible combinations of outfits?

babymother [125]

Answer:

C, D, E

Step-by-step explanation:

You just need to multiply the numbers together. Whichever choice is equal to 24, is your answer

So when you multiply for each one...

A is 36

B is 48

C is 24

D is 24

E is 24

So since C, D, E multiply to 24, they are the correct answers.

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3 years ago

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jolli1 [7]

5+5+6 then that’s your answer

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3 years ago

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I need help with this please

Hoochie [10]

Answer:

B. 15

Step-by-step explanation:

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3 years ago

Probability The average time between incoming calls at a switchboard is 3 minutes.if a call has just come in,the probability tha

Stels [109]

Answer:

a) 0.1535

b) 0.4866

c) 0.8111

Step-by-step explanation:

The probability that the next call come within the next t minutes is:

$p(t) = 1 -e ^{- t/3}$

According to this model,

a) the probability that a call in comes within 1/2 minutes is $p(t) = 1 -e ^{- (1/2)/3}$ =0.1535

b) the probability that a call in comes within 2 minutes is $p(t) = 1 -e ^{-2/3}$ =0.4866

c) the probability that a call in comes within 5 minutes is $p(t) = 1 -e ^{-5/3}$ =0.8111

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3 years ago