3 years ago

What sentence about these numbers is true

Mathematics

1 answer:

wariber [46]3 years ago

7 0

About which numbers there is no number

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Round this number to the nearest thousand. <br> 8,336

victus00 [196]

8000 because 3 is less than 5 so you stay the same (which is 8)

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3 years ago

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A student council has nine officers, of which six are girls and three are boys. If two officers are chosen at random to attend a

Effectus [21]

Answer: $\frac{1}{4}$

Step-by-step explanation:

Given

Student council has 6 girls and 3 boys

If two person chosen at random

Probability that first officer is girl and second is a boy

$=\text{Probability of choosing a girl officer}\times \text{Probability of choosing a boy officer}$

$=\frac{^6C_1}{^9C_1}\times \frac{^3C_1}{^8C_1}$

$=\frac{6}{9}\times \frac{3}{8}$

$=\frac{1}{4}$

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3 years ago

3. What multiplication expression<br> represents 7 + 7 + 7 + 7?

olga_2 [115]

Answer: 7 times 4

Step-by-step explanation:

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3 years ago

In 2008, the price of gasoline was $2.79 per gallon. In 2009, the price of gasoline was

ikadub [295]

Answer:

36%

Step-by-step explanation:

line up $ and % data like this:

$2.79 represents 100%

$3.79 represents X%

cross multiply

X*2.79 = 3.79*100

divide both sides by 2.79

X= 3.79*100 / 2.79 ≈ 136%

so it increased 36%

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3 years ago

Write 840,000 in expanded form

Natasha2012 [34]

$840,000=800,000+40,000$

7 0

3 years ago

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