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adell [148]
3 years ago
12

20POINTS ANSWER QUICK I WILL MARK BRAINLIEST

Mathematics
1 answer:
Gre4nikov [31]3 years ago
7 0

Answer:

Rotational line symmetry  &  Vertical line symmetry

Hope its correct

PLS MARK AS BRAINLIESTTT

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Draw the standard normal distribution curve
kirza4 [7]

Standard Normal Distribution. As discussed in the introductory section, normal distributions do not necessarily have the same means and standard deviations. A normal distribution with a mean of 0 and a standard deviation of 1 is called a standard normal distribution.


4 0
3 years ago
A bag has ten marbles in it.Three of them are green one of them is red four of them are yellow and two of them are blue.If one m
yanalaym [24]
Since there’s 3 green and 4 yellow that adds up to 7 and with only 3 marbles left that is 3:10 and that make the probability 30% or 0.30
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=x%283x%20%2B%207%29%20-%203x%20%3D%200" id="TexFormula1" title="x(3x + 7) - 3x = 0" alt="x(3x
sineoko [7]

Answer:

X=0

Step-by-step explanation:

7 0
3 years ago
A sample from 16 shortstops was obtained in an effort to determine whether shortstops have higher salaries than other players. T
marissa [1.9K]

Answer:

1.16 to 2.75

Step-by-step explanation:

The mean salary (millions of dollars) for shortstops was 1.95.

\bar{x}=1.85

The population mean for all baseball players was 1.85

\mu = 1.85

The population standard deviation was 1.61.

\sigma = 1.61

Formula of confidence interval :x-z\times \frac{\sigma}{\sqrt{n}} to x+z\times \frac{\sigma}{\sqrt{n}}

z at 95% confidence level = 1.96

Substitute the values in the formula

Confidence interval :1.95-1.96\cdot\frac{1.61}{\sqrt{16}} to 1.95+1.96\cdot\frac{1.61}{\sqrt{16}}

Confidence interval : 1.16 to 2.75

Hence the 95 percent confidence interval for these data is 1.16 to 2.75

8 0
3 years ago
What is the ratio or rate of 96 words typed in 3 min ; 160 words typed in 5 min
Vanyuwa [196]
32 because 96 divded by 3 equals 32 and 160 divided by 5 equals 32
4 0
4 years ago
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