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4 years ago

Write and evaluate the expression. Then, check all that apply.

Mathematics

2 answers:

Elena L [17]4 years ago

8 0

Answer:

The correct expression is n + 8

The value of the expression = 5.3 + 8

The answer is 13.3

Step-by-step explanation:

The expression for eight increased by a number

Assume that the number is n

Increased eight by n means add n to eight

The correct expression is n + 8

When n = 5.3

Substitute 5.3 for the variable n

The value of the expression = 5.3 + 8

Simplify by adding 5.3 and 8

5.3 + 8 = 13.3

The answer is 13.3

Alex777 [14]4 years ago

8 0

Answer:

The answer is 1,2,4,5 and 8

Step-by-step explanation:

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A professor has 24 pairs of socks in his drawer. 18 pairs are black and the rest are brown. He always wears black pants. He does

lesya692 [45]

Answer:

The likelihood that the professor's socks matched his pants on both days is 0.5625

Step-by-step explanation:

Total no. of pair of socks = 24

No. of black pairs = 18

We are given that he selects one pair of socks on Monday and one on Tuesday. Since he has lots of clean socks in the drawer he does not do laundry.

So, It is a case of replacement

He always wears black pants.

We are supposed to find he likelihood that the professor's socks matched his pants on both days i.e. Black socks both days.

So ,Probability of wearing black socks on Monday = $\frac{18}{24}$

So ,Probability of wearing black socks on Tuesday = $\frac{18}{24}$

So,the likelihood that the professor's socks matched his pants on both days = $\frac{18}{24} \times \frac{18}{24}=0.5625$

Hence the likelihood that the professor's socks matched his pants on both days is 0.5625

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3 years ago

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blondinia [14]

Answer

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Step-by-step explanation:

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3 years ago

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What is completely factored form of d^4-81

romanna [79]

Answer:

(d − 3) (d + 3) (d² + 9)

Step-by-step explanation:

d⁴ − 81

Factor using difference of squares.

(d² − 9) (d² + 9)

Factor using difference of squares again.

(d − 3) (d + 3) (d² + 9)

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3 years ago

Can you please show me the steps and solution to this problem?

ANEK [815]

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m = - 10 / - 6
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