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anyanavicka [17]
4 years ago
10

Simplify 3^1/2 - 1/ 2 + 3^1/2

Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
7 0

Equal to about 2.96. The number was 2.964101615.

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Bill and Sam go to a casino. They each have the same amour of money. After an hour bill had won $20 and Sam lost the same amount
Pachacha [2.7K]

Answer:

They each have $180 before they started.

Step-by-step explanation:

Let x represents the amount they each have before they started. Therefore, we have:

Amount with Bill after one hour = x + $20

Amount with Sam after one hour = x - $20

Amount with Bill after two hours = (x + $20) - (x + $20)(2 / 3)

Amount with Sam after two hours = (x - $20) + (x - $20)(2 / 3) = 4((x + $20) - (x + $20)(2 / 3)) ............... (1)

From equation (1), we can solve for x as follows:

(x - $20) + (x - $20)(2 / 3) = 4((x + $20) - (x + $20)(2 / 3))

(x - $20) + (x - $20)0.666666666666667= 4((x + $20) - (x + $20) 0.666666666666667)

x - $20 + 0.666666666666667x - $13.3333333333333= 4(x + $20 - 0.666666666666667x - $13.3333333333333)

x - $20 + 0.666666666666667x - $13.3333333333333= 4x + $80 - 2.66666666666667x - $ 53.3333333333332

Collecting the like terms, we have:

x + 0.666666666666667x - 4x + 2.66666666666667x = $80 - $53.3333333333332+ $20 + $13.3333333333333

(1 + 0.666666666666667- 4 + 2.66666666666667)x = $60

0.333333333333337x = $60

x = $60 / 0.333333333333337

x = $180

Therefore, they each have $180 before they started.

4 0
3 years ago
Which equation models this problem?
Vladimir [108]
C. 5/6b = 140
(*assuming b = total number of cards)
If the piles have an equal number of cards and 5 out of the 6 piles were put in the collection, 5/6 of the cards were put into the collection. The total number of cards put in the collection is 140, so 5/6b=140.
4 0
4 years ago
Read 2 more answers
Which equation can be used to find 40 percent of 25? StartFraction 25 divided by 1 Over 40 divided by 1 EndFraction = StartFract
avanturin [10]

the answer for this problem is 10 when you try to Find the percentage of one number in relation to another with the formula Percentage = (number you want to find the percentage for ÷ total) × 100. Move the decimal point two places to the right to convert from a decimal to a percentage, and two places to the left to convert from a percentage to a decimal.

3 0
3 years ago
Read 2 more answers
When x =8, y = 20. Find y when x = 42
nadya68 [22]
X/y
- 8/20=42/y
- 0.4=42/y
- y=42/0.4
- y=105
7 0
4 years ago
I neeeeeeeeeedddddddddddd hhhhelpppppp
Bumek [7]

The step function is characteristic of the floor or ceiling functions, which map a real number to an integer.  There's clearly a factor of 2, indicated by two units of y for every one unit of x.

The open and filled circles indicate, for example, f(1)=2, f(1.01)=4.   That means we're rounding up, so we're using the ceiling function.

f(x) = 2 \lceil x \rceil

Answer: second choice

8 0
4 years ago
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