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2 years ago

9

The floor of the entryway to an office building will be tranglar. Twi angles will measure 40 and the side between them will have

a length of 8 meters. Make a scale drawing of the enterway using a scale of 1cm : 2m. Explain how to make your drawing

1 answer:

Hoochie [10]2 years ago

4 0

Answer:

n

Step-by-step explanation:n

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Three more than twice some number

olya-2409 [2.1K]

Answer:

2x + 3

Step-by-step explanation:

Let's call the number x

twice a number is 2 times the number, or in this case 2x

3 more than 2x is 2x + 3

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1 year ago

A combination lock requires a user to select three numbers to unlock it, where all three numbers are between 1 to 30, inclusive,

Sonbull [250]

Answer:

$\frac{1}{270}=0.00370$

Step-by-step explanation:

As the numbers are only between 1 and 30

Total number of possible combinations = 30×30×30 = 27000

If there are 100 attempts then

$\text{P (someone guesses correct)}=\frac{\text{Number of attempts}}{\text{Total number of possible combinations}}\\\Rightarrow \text{P (someone guesses correct)}=\frac{100}{27000}\\\Rightarrow \text{P (someone guesses correct)}=\frac{1}{270}=0.00370$

∴ Probability someone can guess the correct combination given 100 attempts is $\mathbf{\frac{1}{270}=0.00370}$

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2 years ago

Jill had the following scores on quizzes 0:0 1:1 2:3 3:4 4:4 5:1 what is the mean for Jill score quizzes

CaHeK987 [17]

The mean of Jill's quizzes are 2.3

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Mario had 9 green,8 red 10 brown 6 orange and 9 blue M &M's. What fraction of the M&M's are orange?

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2/11 or 6/33
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