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juin [17]
3 years ago
7

On the first

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer:

0.93

Step-by-step explanation:

u have to add them all and divide by 12. then u add all of them but the outlier and divide by 11. then u subtract.

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FIRST -CORRECT- ANSWER WILL GET BRAINLIEST!!
Rama09 [41]

Answer:

u=2 root 2

Step-by-step explanation:

All 45 45 90 degree triangles follow the same pattern

7 0
2 years ago
urgent! i need an explanation please *picture included* also can someone make sure the second one is b or not?
Schach [20]

Answer:

For the first one it is D.

Step-by-step explanation:

I added 84.6 and 30.4 which gives me 115. I then added 66 to get 181, triangles angles only add up to 180 degrees, therefore they are not similar.

6 0
2 years ago
A 90% confidence interval for the average salary of all CEOs in the electronics industry was constructed using the results of a
Stella [2.4K]

Answer:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

Step-by-step explanation:

Confidence interval:

Confidence level of x%

We build from a sample.

Between a and b.

Intepretation: We are x% sure that the population mean is between a and b.

In this question:

90%

45 CEO's

Between ($139,048, $154,144).

So

We are 90% sure that the mean salary of all CEO's falls within this interval.

The correct answer is:

b) We are 90% confident that the mean salary of all CEOs in the electronics industry falls in the interval $139,048 to $154,144.

4 0
3 years ago
What is Mathematics?
storchak [24]

Answer:

Hey mate here's your answer.....

Step-by-step explanation:

Mathematics is a subject where you study more about numbers and daily life applications.

hope its helps you,

follow me....

8 0
3 years ago
Read 2 more answers
What is the axis of symmetry for f(x) = 2x2 + 4x + 2? (1 point)
yKpoI14uk [10]
For f(x)=ax^2+bx+c
the axis of symmetry is -b/2a

f(x)=2x^2+4x+2
a=2
b=4
-4/(2*2)=-4/4=-1

the axis of symmetry is x=-1

B
7 0
3 years ago
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