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bixtya [17]
3 years ago
10

What do you call segments, rays, or lines that are added to a given diagram?

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0

Answer:

auxiliary lines.

Step-by-step explanation:

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A random number generator is used to create a list of 300 single digit numbers. Of those 300 numbers, 146 are odd and 154 are ev
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0.44<<< vitamin CCC^<>^<>^<><span />
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What is the value for y?<br> Enter your answer in the box.<br> y=
katen-ka-za [31]

Answer:

y=14

Step-by-step explanation:

  1. the triangle is equilateral triangle
  2. angle A = angle B
  3. so we immediately got the answer for x.. x=25
  4. so 180°-100°=80°
  5. 5y+10°=80°
  6. 5y=80°-10°
  7. 5y=70°
  8. y=70°/5
  9. y=14
8 0
3 years ago
From Statistics and Data Analysis from Elementary to Intermediate by Tamhane and Dunlop, pg 265. A thermostat used in an electri
Leviafan [203]

Answer:

t=\frac{201.77-200}{\frac{2.41}{\sqrt{10}}}=2.32    

The degrees of freedom are given by:

df=n-1=10-1=9  

The p value for this case is given by:

p_v =2*P(t_{(9)}>2.32)=0.0455    

For this case since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significantly different from 200 F.

Step-by-step explanation:

Information given

data: 202.2 203.4 200.5 202.5 206.3 198.0 203.7 200.8 201.3 199.0

We can calculate the sample mean and deviation with the following formulas:

\bar X= \frac{\sum_{i=1}^n X_i}{n}

\sigma=\sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

\bar X=201.77 represent the sample mean    

s=2.41 represent the sample standard deviation    

n=10 sample size    

\mu_o =200 represent the value that we want to test    

\alpha=0.05 represent the significance level for the hypothesis test.    

t would represent the statistic

p_v represent the p value for the test

Hypothesis to test

We want to determine if the true mean is equal to 200, the system of hypothesis are :    

Null hypothesis:\mu = 200    

Alternative hypothesis:\mu = 200    

The statistic for this case is given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}} (1)    

The statistic is given by:

t=\frac{201.77-200}{\frac{2.41}{\sqrt{10}}}=2.32    

The degrees of freedom are given by:

df=n-1=10-1=9  

The p value for this case is given by:

p_v =2*P(t_{(9)}>2.32)=0.0455    

For this case since the p value is lower than the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true mean is significantly different from 200 F.

4 0
3 years ago
A line with a slope of -2/3 and a y-intercept of 4; in slope-intercept form
Yuliya22 [10]
The slope is represented by m and the y-intercept is represented by b in the equation
y = mx + b. The slope-intercept form for this would be y = -2/3x + 4.
6 0
3 years ago
What is the sum of 5/11 + 1/3 in lowest terms?
trapecia [35]

Answer:

5/11+1/3

= <u>5*3 + 1*11</u>

       33

= <u>15+11</u>

     33

= 26/33

Can you thanks me?

3 0
2 years ago
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