Answer:
Nina's rate is 12.7059 miles per hour (answer rounded up to four decimal places).
Step-by-step explanation:
Nina can ride her bike 63,360 feet in 3400 sec
1 mile = 5,280 feet
How many miles = 63,360 feet ?
Its 63,360 feet ÷ 5,280 feet × 1 mile = 12 miles
Nina's rate is 12 miles per 3400 seconds
1 hour = 3600 seconds
So in 1 hour, Nina rides × 12 miles = 12.7059 miles (rounded up to four decimal places)
Answer:12.7
170.72
to find the mean, we must add al the numbers and divide it by n
that is,
164,175,178,166,167,145,176,150,174,162,180,156,173,158,182,184,160,172,186,168,195,169,171,187,170 we have to add al these numbers and divide it by 25
sum- 4628 divided by 25
=170.72
Substitute the numbers below x by x in the equation given in the middle of the table and that will be the answer for y.
For example, x= -1
y= x + 6
y= -1 + 6
y= 5
Unfortunately it can't be solved.
x is the all real number. which means it will have many solutions.
the answer is x=6 for this question