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4 years ago

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The Venn diagram shows event A and event B comprised of outcomes from the same sample space. The probability of event A is given

, as well as the probability of neither event A nor event B. What is the probability of event B?

1 answer:

Masteriza [31]4 years ago

7 0

Answer:

The probability of an event is a number describing the chance that the event will happen. An event that is certain to happen has a probability of 1. An event that cannot possibly happen has a probability of zero. If there is a chance that an event will happen, then its probability is between zero and 1

A=45

Step-by-step explanation:

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A square pyramid has 1 square base and 4 triangular faces. Find its surface area. A. The area of the base is ________ square cen

Vanyuwa [196]

Answer:

See Explanation

Step-by-step explanation:

I will answer this question with the attached square pyramid

From the attached pyramid, we have:

$Base\ Length = 20m$

So, the base area is:

$Area = Length * Length$

$A_1= 20m*20m$

$A_1= 400m^2$

The dimension of each of the 4 triangles is:

$Height = 16.4m$

$Base = 20m$

So, the area of 4 triangles is:

$Area = 4 * 0.5 * Base * Height$

$A_2 = 4 * 0.5 * 20m * 16.4m$

$A_2 = 656m^2$

So, the surface area is:

$Area = A_1 + A_2$

$Area = 400m^2 + 656m^2$

$Area = 1056m^2$

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3 years ago

Given angle measurements of 40°, 45°, and 95°, how many triangles can be constructed?

kodGreya [7K]

180-degree triangles

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3 years ago

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Express as a trinomal (2x+4)(2x+7)

Softa [21]

4x²+22x+28 , you can solve this using FOIL (first, outter, inner, last)

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4 years ago

the alexander family and jenkins family each used their sprinklers last summer. the water output rate for the alexander familys

Mumz [18]

Answer:
Alexanders family sprinkler used for 35.25 hours
And the Jenkins family sprinkler was used for 29.75 hours.

Step-by-step explanation:

Lets start with 2 assumptions, what if we only used the Alexander's family sprinklers, We can define X as the variable
$20x=1450$
$x= 72.5$
If we just used the Alexanders it would of took 72 hours and 30 minutes.

Now lets look at the Jenkins family sprinkler, lets define it as Y.
$25y=1450$
$y = 58$
With only the Jenkins it would of took 58 hours.

Now, if they just of shared the work equally among the two sprinklers, the Alexanders family doing 725 L and the Jenkins with the other half.
It would of took the Alexanders
$20x= 725$
$x=36.25$

Jenkins
$25y=725$
$y=29$

Making it a combined time of 65.25 hours. 15 minutes long of our 65 hour time.

Now the Jenkins sprinkler generates 5 more L than Alexanders per hour. Which means it would only take the Jenkins family 1 hours to make 25 liters but Alexanders would take $\frac{5}{4}$ hours. We know that 1 hour contains 60 minutes, which means $\frac{1}{4}$ of a hour contains 15 minutes.

So it would take Alexanders family sprinkler 15 minutes more to produce the same amount per hour that the Jenkins does.

So from this we can conclude that if the Jenkins family sprinkler was used more we can cut the extra 15 minutes off, making the answer That the

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And the Jenkins family sprinkler was used for 29.75 hours.

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2 years ago

How to write 5 and 8 in a inequality

Reil [10]

The answer would be 5<8 because 8 is greater than 5.

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3 years ago

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