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3 years ago

My brain small so could you plz anwser his 6/11+ 2/ 3

Mathematics

1 answer:

Lena [83]3 years ago

4 0

Answer:

1 7/33

Step-by-step explanation:

6/11 + 2/3 --> We need a common denominator

--> 11 x 3 = 33

33 is our common denominator

6 x 3 = 18

2 x 11 = 22

18/33 + 22/33 = 40/33

Convert to a mixed number

=> 1 7/33

Thus, we have our answer.

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90% of a number is x . What is 100% of the number? Assume x>0

mariarad [96]

Step-by-step explanation:

Let the required number be n

$\therefore \: \frac{90}{100} \times n = x \\ \\ \therefore \: \frac{9}{10} \\ \\ \therefore \:n = \frac{10}{9} x \\ \\ \therefore 100\% \: of\:n = \frac{10}{9} x \times 100\% \\ \\ = \frac{10}{9} x \times \frac{100}{100} \\ \\ = \frac{10}{9} x \\$

NOTE: A number is always 100% in itself.

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3 years ago

Whih of the following is equivalent to (81m^6)^1/2

Setler [38]

Can you list the answer choices?

$\sqrt{81m^6}$ would be equivalent

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3 years ago

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Admission for a water park is 17.50$ per day a seson pass cost 125$. How many days must you go to the water park to make buying

Lemur [1.5K]

(17.5)(x)=125

Divide each side by 17.5 leaving the equation as x=7.14

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3 years ago

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10. The continuously compounded annual return on a stock is normally distributed with a mean of 20% and standard deviation of 30

ehidna [41]

Answer: We should expect its actual return in any particular year to be between -40% and 80%.

Step-by-step explanation:

Given : The continuously compounded annual return on a stock is normally distributed with a mean 20% and standard deviation of 30%.

From normal z-table, the z-value corresponds to 95.44 confidence is 2.

Therefore , the interval limits for 95.44 confidence level will be :

Lower limit = Mean -2(Standard deviation) = 20% -2(30%)= 20%-60%=-40%

Upper limit = Mean +2(Standard deviation)=20% +2(30%)= 20%+60%=80%

Hence, we should expect its actual return in any particular year to be between -40% and 80%.

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3 years ago

Simplify 4(x^2-3y^2) - 2(3x^2-5y^2) Show your work.

MariettaO [177]

4x^2-12y^2-6x^2+10y^2
-2x^2-2y^2
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3 years ago

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