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agasfer [191]
3 years ago
12

Suppose that 14 children, who were learning to ride two-wheel bikes, were surveyed to determine how long they had to use trainin

g wheels. It was revealed that they used them an average of six months with a sample standard deviation of three months. Assume that the underlying population distribution is normal.

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

CI = 3.931 < μ < 8.069

Step-by-step explanation:

Hello !

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12'<br>Given that tan x =<br>sin x + cos x?<br>î, what is the value of<br>(WAEC]​
Andre45 [30]

Answer:

\tan(x) =  \sin(x)  +  \cos(x)

Sorry but your question is not too explanatory but I sure hope this helps

3 0
3 years ago
The distance between 5,3 and 1,3
mel-nik [20]

Answer:

(4,0)

Step-by-step explanation:

(5,3) (1,3)

You need to subtract from the x axis on both coordinates and the y axis in both coordinates.

(5-1) (3-3)

(4,0)

I also checked on a graph as well, so it's correct.

4 0
3 years ago
A piece of rope is 54 inches long. It is cut into pieces that are each 9 inches long.
bogdanovich [222]

Answer:

6 pieces of rope

Step-by-step explanation:

if the total is 54 and each are 9 you can make an equation

54= 9 x a

solve for a

to do this you divide 54 by 9

54/9=6

4 0
2 years ago
Read 2 more answers
aliyah had some candy to give her four children. she first tooke ten pieces for herself and then evenly divided the rest among h
DIA [1.3K]

<span><span><span>Let the original number be "x".
(x-10)/4 = 2

x-10 = 8
x = 18 (original number of pieces of candy.)</span></span></span>
6 0
3 years ago
Answer both questions!
vodomira [7]
<span>1) What is the equation for the line?
</span>slope = 16/2 = 8

answer
equation 
y = 8x

<span>2) What is the equation of a line with a slope of ​3​ and a point (3, 1) on the line?

Express the equation in the form of y=mx+b where m is the slope and b is the y-intercept.


y - 1 = 3(x - 3)
y - 1 = 3x - 9
y = 3x - 8

answer
</span>y = 3x - 8
3 0
3 years ago
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