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densk [106]
3 years ago
10

. In the expression (21 - 3) X (7 + 2) + (12 - 4), what operation should you perform last? Why?​

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer:

The addition

Step-by-step explanation:

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Step-by-step explanation:

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Alice, Bertie and Cara like to spend time outdoors. One of them is an avid
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Cara.

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Tyler is offered to choose between three boxes that look identical. The first box contains 1 red pills and 19 blue pills, the se
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Answer:

A) 0.15

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Step-by-step explanation:

First Box consist 1 red pills and 19 blue pills

second box consist 6 red pills and 14 blue pills

Third box consist 2 red pills and 18 blue pills

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\frac{1}{60} (1+6+2) = 0.15

b)Prob ( 1 reds and 10 blue pilss) =\frac{1}{3} \frac{^1C_1\times ^{19}C_{10}}{^{20}C_{11}} + \frac{1}{3} \frac{^6C_1\times ^{14}C_{10}}{^{20}C_{11}} + \frac{1}{3} \frac{^2C_1\times ^{18}C_{10}}{^{20}C_{11}}

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7 0
3 years ago
The area of a square is 100. The length of its diagonal is approximately:
mr_godi [17]

Answer:

10\sqrt{2\\} \\ or 14.14 appromiximately

Step-by-step explanation:

Area of square = 100

So length on side = 10 because all sides of square equal.

Length of Diagonal = Side x \sqrt{2}

So the length of diagonal is 14.14 approximately

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2 years ago
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One eighth is equal to 0.125.  Four eighths is equal to one half, or 0.5.  So five eighths is 0.5 + 0.125, which equals 0.625.

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3 years ago
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