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user100 [1]
3 years ago
14

Add or subtract if possible.

%204%20%5Csqrt%7B5x%7D" id="TexFormula1" title="3 \sqrt{20x} + 8 \sqrt{45x} - 4 \sqrt{5x}" alt="3 \sqrt{20x} + 8 \sqrt{45x} - 4 \sqrt{5x}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Bingel [31]3 years ago
3 0
3\sqrt{20x}+8\sqrt{45x}-4\sqrt{5x}=3\sqrt{5\times2^2x}+8\sqrt{3^2\times5x}-4\sqrt{5x}=6\sqrt{5x}+24\sqrt{5x}-4\sqrt{5x}=26\sqrt{5x}
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t is commonly assumed that babies are equally likely to come as either a boy or a girl. This is not true. Actually, about 51.3%
eduard

Answer:

The probability they have one boy and one girl = 0.50 = 50 %

Step-by-step explanation:

Here the family has two children, we need to find what is the probability they have one boy and one girl.

Probability for babies are boys = 51.3% = 0.513

Probability for babies are girls = 1 - 0.513 = 0.487

The probability they have one boy and one girl = 1 -  probability that they have two boys - probability that they have two girls

The probability they have one boy and one girl = 1 - 0.513² - 0.487² = 0.499 = 0.50

The probability they have one boy and one girl = 0.50 = 50%

7 0
3 years ago
[50 points]!!!!!!!!!!!
katrin [286]
If input is 1, output is 1
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5 0
4 years ago
Problems in the picture
Zepler [3.9K]

hope it helps you!!!!!!!!!!

7 0
3 years ago
Read 2 more answers
What is 5+(-7.5)? And try to use a diagram please and thx.
DIA [1.3K]
Adding a negative is the same as subtracting a positive,
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4 0
4 years ago
Read 2 more answers
Which expression represents the phrase "twice the difference of a number and 5"?
julsineya [31]

Answer:

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3 0
3 years ago
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