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2 years ago

What is the answer. 3 1/3+ 5 2/3+ 3 5/6

Mathematics

2 answers:

Romashka [77]2 years ago

8 0

Although your problem confuses me, I will use the spaces as multiplication symbols.

Answer = 6.833 >

Anastasy [175]2 years ago

5 0

You find the LCD which is 6.
You see how much 3 goes in 6 which is 2. So you multiply 2 to the bottom and the top.
3 2/6 + 5 4/6 + 3 5/6
Now you can add it up.
12 5/6

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There are 35 more musicians in the String section of a city Symphony Orchestra than in its Brass section. There are 29 musicians

Delicious77 [7]

35 - 29 = 6. 6+29+35 = 70
70 in the string and brass sections of the Symphony Orchestra.

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2 years ago

The lifetime of a certain brand of battery is normally distributed with a mean value of 8 hr and a standard deviation of 0.8 hr

AveGali [126]

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2 years ago

Given A is between Y and Z, and YA=14x, AZ=10x and YZ=12x+48, solve for x

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3 years ago

The distribution of IQ scores can be modeled by a normal distribution with mean 100 and standard deviation 15.

evablogger [386]

Answer:

4.4% of the population with IQ between 120 and 125.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 100

Standard Deviation, σ = 15

We are given that the distribution of IQ scores is a bell shaped distribution that is a normal distribution.

a) Let X be a person's IQ score.

Then, density functions for IQ scores is given by:

$P(x) = \displaystyle\frac{1}{2\sqrt{2\pi}}e^{-\frac{z^2}{2}}\\\\\text{where,}\\\\z = \frac{x-\mu}{\sigma}\\\\P(x) = \displaystyle\frac{1}{2\sqrt{2\pi}}e^{-\frac{(x-\mu)^2}{2\sigma^2}}\\\\P(x) = \displaystyle\frac{1}{2\sqrt{2\pi}}e^{-\frac{(x-100)^2}{450}}$

b) P(population with IQ between 120 and 125.)

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

$P(120 \leq x \leq 125) = P(\displaystyle\frac{120 - 100}{15} \leq z \leq \displaystyle\frac{125-100}{15}) = P(1.33 \leq z \leq 1.66)\\\\= P(z \leq 1.66) - P(z < 1.33)\\= 0.952 - 0.908 = 0.044 = 4.4\%$

$P(120 \leq x \leq 125) = 4.4\%$

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2 years ago

781÷26<br>26×3=78<br>is answer 3 remainder 1 or 30 remainder 1

mamaluj [8]

Which one is the one you want, 781:-:(divison)26?

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2 years ago