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jeka57 [31]
3 years ago
12

Which expression is equivalent to −2.1+(−5.9)+(−3.7) ?

Mathematics
1 answer:
frozen [14]3 years ago
7 0
-2.1 - (5.9 + 3.7)

Both equal -11.7 so that is the correct option.

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$55 this is shown by doing 80/100=0.80. and 0.80*55=this is the answer

6 0
3 years ago
Denise wants to cover a 21.75 square foot wall with weathered wood. If each box of weathered wood contains 1.5 square feet of wo
natka813 [3]

Answer: 15 boxes

Step-by-step explanation:

From the question, we are informed that Denise wants to cover a 21.75 square foot wall with weathered wood and that each box of weathered wood contains 1.5 square feet of wood.

The number of boxes of weathered wood that she need will be calculated by dividing 21.75 square feet by 1.5 square feet. This will be:

= 21.75/1.5

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6 0
3 years ago
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Answer:

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Step-by-step explanation:

5 0
3 years ago
You buy a lottery ticket to a lottery that costs $10 per ticket. There are only 100 tickets available to be sold in this lottery
riadik2000 [5.3K]

Answer:

Loss of $1.20

Step-by-step explanation:

The possible outcomes for this lottery and their probabilities are:

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Therefore, the expected value of this lottery when buying one ticket is:

E(X) = \frac{1}{100}*\$450+ \frac{2}{100}*\$120+ \frac{4}{100}*\$30-\frac{93}{100}*\$10 \\E(X) = -\$1.2

Therefore, you are expected to lose $1.2 per ticket.

3 0
3 years ago
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kvasek [131]

Answer:

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Step-by-step explanation:

You just have to multiply by 2

8 0
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Read 2 more answers
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