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creativ13 [48]
3 years ago
13

Draw a model of the decimal number 3.89.

Mathematics
1 answer:
a_sh-v [17]3 years ago
5 0

Here is an image of the model.

Lets say that the:

Boxes are ones, the hashtags are tenths, and the "i"s are hundredths.

Since the number is 3.89, the image will have:

3 boxes, 8 hashtags, and 9 "i" s

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Find the quotient. If possible, rename the quotient as a mixed number. Select the answer that is in simplest form. 3/5 ÷ 1/2 =
Vanyuwa [196]
3/5 divided by 1/2 equals 6/5 or 1 and 1/5! 
(My method- Keep 3/5, change the division sign to a multiplication sign, and flip 1/2 to 2/1. Multiply strait across and you get 6/5! 5 can go into 1 one time and that leaves 1/5! So your answer is 1 and 1/5! Hope it helps!)
8 0
4 years ago
The profits of life insurance companies A and B are normally distributed with the same mean. The variance of company B's profit
Lerok [7]

Answer:

23.58-th

Step-by-step explanation:

The standard deviation of company B's profit is:

\sigma_B=\sqrt{2.25}\sigma_A

Let X be the profit correspondent to the 14th percentile of company A's profit.

The z-score for 14th percentile of a normal distribution is roughly -1.08.

The z-scores for X in companies A and B are:

-1.08 = \frac{X-\mu}{\sigma_a} \\z_B = \frac{X-\mu}{\sqrt{2.25}*\sigma_a}\\z_B=\frac{-1.08}{\sqrt{2.25}}\\z_B = -0.72

The z-score for X in company B's profit distribution is -0.72, which corresponds to the 23.58-th percentile.

8 0
3 years ago
Which graph represents y=<br> y = ?
ICE Princess25 [194]

Answer:

The horizontal line is to the y-axis

7 0
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Answer:

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3 0
3 years ago
What is the equation of this line?<br><br><br>y = 2x<br><br>y=12x<br><br>y=−2x<br><br>y=−12x
Anna [14]
Y=2X

Looking at the line you can see that it is moving up from left to right, making it positive. So -2X and -12X are incorrect.

Next we can find the slope by putting rise over run. Chose a point on the line, I’ll use (2,4).
On this point we rise to 4 and run over to 2.
So for rise over run we have 4/2 which is 2.
So y=2x is correct.
6 0
3 years ago
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