Kenneth drove 184.25 miles in 3 7/20 hours. What was his average speed

Answers

Answer 1

Answer: To solve this problem, all you have to do is set up a proportion, letting x represent Kenneth's average speed per hour.

184.25/3.35 = x/1

Now, we use cross products, or the multiplication of the numerator of one fraction times the denominator of another fraction, and setting them equal to one another.

3.35x=184.25

Finally, we divide both sides by 3.35, because it's the coefficient of x, and we are trying to get the variable x alone.

x=55

Therefore, Kenneth's average speed was 55 miles per hour.

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Is 11/20 and 17/40 and 1/12 either a repeating decimal or a terminating?

Answers

Every decimal is either repeating or terminating.
It has to be one or the other.

1/12 is repeating.
The others terminate.

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A fraction is a short way to write a division problem.

Whenever you see a fraction, it means

(the top number) divided by (the bottom number).

When you pick up your pencil or your calculator and actually do
the division, the answer to the division is the decimal form of the
fraction. There you can see whether it's terminating or repeating.

To find the decimal form of 11/20, divide 11 by 20 . It's 0.55 .

To find the decimal form of 17/40, divide 17 by 40 . It's 0.425 .

To find the decimal form of 1/12, divide 1 by 12 . It's 0.08333... repeating.

Explain how you could convert a rate of 18000 miles per hour to miles per second

Answers

(18000 miles/1 hour) (1 hour/ 60 minutes) (1 minute /60 seconds)= 18000 miles/ 3600 seconds= 5 miles /1 second so 5 miles per second

Find both unit rates. $96.88 for 8 pizzas A. $12.11/pizza and about 0.08 pizza/dollar B. 12.11 pizza/dollar and about $0.08/pizza C. $96.88/pizza and about 8 pizza/dollar D. 8 pizza/dollar and about $96.88/pizza Question Resources

Answers

If you would like to find both unit rates, you can calculate this using the following steps:

$96.88 ... 8 pizzas
$x = ? ... 1 pizza

96.88 * 1 = 8 * x
96.88 = 8 * x /8
x = 96.88 / 8
x = $12.11

$96.88 ... 8 pizzas
$1 ... y pizza = ?

96.88 * y = 8 * 1
96.88 * y = 8 /96.88
y = 8 / 96.88
y = 0.08 pizza

The correct result would be A. $12.11/pizza and about 0.08 pizza/dollar.

Answer:

Your answer will be A.

$12.11/pizza and about 0.08 pizza/dollar

Two trains, Train A and Train B, simultaneously depart Station A and Station B. Station A and Station B are 252.5 miles apart from each other. Train A is moving at 124.7mph towards Station B, and Train B is moving at 253.5mph towards station A. If both trains departed at 10:00AM and it is now 10:08, how much longer until both trains pass each other?

Answers

-- The trains start moving at the same time.

-- The space between them is initially 252.5 miles.

-- They reduce the distance between them at the rate of (124.7+253.5)=378.2mph.

-- It will take them (252.5 / 378.2) = 0.6676 hour to meet.

That's 40min 3.49sec .

-- After tooting and puffing toward each other for 8 minutes, they still have 32min 3.49sec to go before they meet each other. We're all hoping that they're on different tracks.

A swimming pool had 2.5 million liters of water in it. Some water evaporated, and then the pool only had 2 million liters of water in it.What percent of the water evaporated?