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klemol [59]
2 years ago
10

Special right triangles

Mathematics
1 answer:
Tasya [4]2 years ago
8 0
Right angle is the answer I think ( not sure though )
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Special right triangles​
uysha [10]

Answer:

i dont think I can help I am really sorry

Step-by-step explanation:

8 0
2 years ago
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At breakfast, restaurant charges $2 for the first cup of orange juice and then $1 for each refill which graph represents this si
liq [111]

Answer:

line

Step-by-step explanation:

y= 2+(x-1)*1= x+1

y=x+1

linear function, the graph is going to be a line

6 0
3 years ago
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Are 1 and 2 correct ? I need help
Rama09 [41]
1 is wrong there are two numbers greater than 4 but less than or equal to 6. 
 the first one was correct
5 0
3 years ago
Which equation in slope would you multiply x by on both sides A. X/1=3/Y B. 3Y=X C. X/Y=3/1 D. Y=3X E. Y=1/3X ???????????
Marta_Voda [28]
The answer to the question is C
3 0
3 years ago
Various studies indicate that approximately 11% of the world's population is left handed. You think this number is actually high
Irina-Kira [14]

Answer:

a. H0 : p ≤ 0.11 Ha : p >0.11 ( one tailed test )

d. z= 1.3322

Step-by-step explanation:

We formulate our hypothesis as

a. H0 : p ≤ 0.11 Ha : p >0.11 ( one tailed test )

According to the given conditions

p`= 31/225= 0.1378

np`= 225 > 5

n q` = n (1-p`) = 225 ( 1- 31/225)= 193.995> 5

p = 0.4 x= 31 and n 225

c. Using the test statistic

z=  p`- p / √pq/n

d. Putting the values

z= 0.1378- 0.11/ √0.11*0.89/225

z= 0.1378- 0.11/ √0.0979/225

z= 0.1378- 0.11/ 0.02085

z= 1.3322

at 5% significance level the z- value is ± 1.645 for one tailed test

The calculated value falls in the critical region so we reject our null hypothesis H0 : p ≤ 0.11 and accept  Ha : p >0.11 and  conclude that the data indicates that the 11% of the world's population is left-handed.

The rejection region is attached.

The P- value is calculated by finding the corresponding value of the probability of z from the z - table and subtracting it from 1.

which appears to be 0.95 and subtracting from 1 gives 0.04998

8 0
3 years ago
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