The answer is: "1.44<span>" .
</span>_______________________
Explanation:
_______________________

(1.2)² = (1.2) * (1.2) = 1.44 .
______________________

7 0

4 years ago

Our environment is very sensitive to the amount of ozone in the upper atmosphere. The level of ozone normally found is 5.5 parts

PIT_PIT [208]

Answer:

Give

null hypothesis: H0 = 5.5

alternative hypothesis: Ha different 5.5

standard error = 1 / (31) 1/2= 0.1796

we deduce that:

t stat = (5.2-5.5) /0.1796 = -1.67033

p-value = 0.105

the null hypothesis cannot be rejected because the value of p is greater

4 0

4 years ago

An air-filled rubber ball has a diameter of 6 in. If the air pressure within the ball is increased until the diameter becomes 7

Yakvenalex [24]

we are given

An air-filled rubber ball

$d_0=6in$

$d=7in$

we can use formula of the average normal strain in the rubber

$\delta =\frac{\pi d - \pi d_0}{\pi d_0}$

now, we can plug values

and we get

$\delta =\frac{\pi*7 - \pi*6}{\pi* 6}$

$\delta =0.16667in/in$ ...........Answer

4 0

4 years ago

Niles and Bob sailed at the same time for the same length of time. Niles' sailboat traveled 27 miles at a speed of 9 mph, while

sveticcg [70]

Answer:

D- 3 hours long they were traveling

Step-by-step explanation:

27÷ 9= 3

36÷ 12= 3

7 0

3 years ago