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3 years ago

6

Over a period of 3 hours, 190 leaves fell from a tree. At this rate, about how many leaves fell every hour?

1 answer:

In-s [12.5K]3 years ago

3 0

Answer:

Im pretty sure its 60 leaves per hour.

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Explain truth tables and how they work

lions [1.4K]

A truth table is a way of organizing information to list out all possible scenarios. We title the first column p for proposition. In the second column we apply the operator to p, in this case it's ~p (read: not p). So as you can see if our premise begins as True and we negate it, we obtain False, and vice versa.

6 0

3 years ago

Read 2 more answers

The expression below in standard form.<br> 3h - 2(1 + 4h)

fgiga [73]

Answer:

I assume by standard you mean simplified. Anyways, the answer is -5h-2.

Step-by-step explanation:

3h-2(1+4h)

Solve inside the parenthesis.

3h-2+(-8h)

Simplify.

-5h-2

4 0

4 years ago

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Write a division expression that would have a result of 28<br><br>Division ___ ÷ ___ = 28

alukav5142 [94]

Answer:

14÷2=28

Step-by-step explanation:

6 0

3 years ago

Jermaine did this work to solve an equation. Did he make an error?

Dahasolnce [82]

Answer:

Top right answer

Step-by-step explanation:

He added the -x to 4x when he should have subtracted.

8 0

3 years ago

There are 12 balls in a bag. One is blue and one is red. What is the exact probability that the blue ball is drawn first and the

Fiesta28 [93]

<h3>The exact probability that the blue ball is drawn first and the red ball is drawn second is $\frac{1}{132}$ </h3>

<em><u>Solution:</u></em>

<em><u>The probability of an event is given as:</u></em>

$Probability = \frac{ \text{ number of favorable outcomes }}{ \text{ total number of possible outcomes }}$

Given that,

There are 12 balls in a bag

One is blue and one is red

Favorable outcome = blue ball is drawn first

Favorable outcome = 1

Therefore,

$Probability = \frac{1}{12}$

Now, without replacement, red ball is drawn second

Therefore,

Total possible outcomes = 12 - 1 = 11

$Probability = \frac{1}{11}$

<em><u>What is the exact probability that the blue ball is drawn first and the red ball is drawn second?</u></em>

$Total\ probability = \frac{1}{12} \times \frac{1}{11} = \frac{1}{132}$

Thus the exact probability that the blue ball is drawn first and the red ball is drawn second is $\frac{1}{132}$

8 0

3 years ago