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3 years ago

What is the difference between the greatest amount and least amount of gasoline used to mow lawns?

1 answer:

4 0

Answer:
The difference is 4/8 which is equivalent to 1/2

Explanation:
The given values of gasoline amounts are as follows:
1/8 , 2/8 , 3/8 , 4/8 , 5/8

Since all the values have the same denominator, therefore, we can base our comparison on the numerator. The larger the numerator, the larger the value of the fraction.

Based on this, we can note that:
the least amount of gasoline is 1/8
the greatest amount of gasoline is 5/8

The difference between the two can be computed as follows:
difference = greatest amount - least amount
difference = 5/8 - 1/8
difference = 4/8 which can be simplified to give 1/2

Hope this helps :)

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A ball is thrown into the air with a velocity of 34 ft/s. It's height in feet after t seconds is given by y=34t-26(t)^2. Find th

kkurt [141]

Answer:

The average velocity of the ball at the given time interval is -122.3 ft/s

Step-by-step explanation:

Given;

velocity of the ball, v = 34 ft/s

height of the ball, y = 34t - 26t²

initial time, t₀ = 3 seconds

final time, t = 3 + 0.01 = 3.01 seconds

At t = 3 s

y(3) = 34(3) - 26(3)² = -132

The average velocity of the ball in ft/s is given as;

$V_{avg} = \frac{y(3.01)-y(3)}{3.01 -3}\\\\V_{avg} = \frac{34(3.01)-26(3.01)^2-y(3)}{3.01 -3}\\\\V_{avg} = \frac{-133.223-y(3)}{0.01}\\\\V_{avg} = \frac{-133.223-(-132)}{0.01}\\\\V_{avg} =\frac{-1.223}{0.01}\\\\V_{avg} = -122.3 \ ft/s$

Therefore, the average velocity of the ball at the given time interval is -122.3 ft/s

8 0

3 years ago

ok so i have a few things to show you , you will know which one the problem is, but for the other sites everything i try front t

Darya [45]

Answer:

when you round it it would equal to around 29.03 so its...

64lbs = 29.03kg

4 0

2 years ago

Caroline has $25 to spend on the school field trip after paying $13.00 for the cost pf the field trip and $6.25 for lunch how mu

Alex787 [66]

Answer:

Caroline has $5.75 left

Step-by-step explanation:

$25 - Caroline's money

$13 - field trip

$6.25 - lunch

$25 - ($13 + $6.25)

$25 - $19.25

= $5.75

4 0

3 years ago

Two students use different methods to solve this multiplication problem: 1/2 • -4 4/5

sesenic [268]

Solution:

$\frac{1}{2}\times-4 \frac{4}{5}$

As one of the fraction is a proper fraction and another one is Mixed fraction.

There are two methods of solving it.

1. $\frac{1}{2}\times-4 \frac{4}{5}=\frac{1}{2} \times \frac{-24}{5}=\frac{-12}{5}=-2\frac{2}{5}$

2. $\frac{1}{2}\times-4 \frac{4}{5}=\frac{1}{2}[-4-\frac{4}{5}]=\frac{1}{2}\times (-4)+\frac{1}{2}\times\frac{-4}{5}=-2+\frac{-2}{5}=\frac{-10-2}{5}=\frac{-12}{5}=-2\frac{2}{5}$ →→Here i have used Distributive property with respect to addition and Subtraction i.e a×(b+c)= a ×b + a×c or a×(b-c)=a×b-a×c

Now, you can fill the blanks by yourself.

5 0

3 years ago

Scores on a test are normally distributed with a mean of 63.2 and a standard deviation of 11.7. Find <img src="https://tex.z-dn.

mina [271]

P81 = Mean + z * Standard deviation , Where Z is critical value at 81% confidence level.

= 63.2 + 0.8779 * 11.7 ( Z critical value calculated from Z table)

= 73.47

5 0

2 years ago