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2 years ago

5

Jerome is painting a rectangular toolbox that is 20 inches by 10 inches by 8 inches. A tube of paint covers 300 square inches. W

hat is the surface area of the toolbox?

1 answer:

Valentin [98]2 years ago

8 0

Answer:

880 in³

Step-by-step explanation:

L = 20, W = 10, H = 8

2(h × W) + 2(h × L) + 2(W × L)

= 2(8*10) + 2(8*20) + 2(10*20)

= 2(80) + 2(160) + 2(200)

= 160 + 320 + 400

= 880 in³

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ABCD is a parallelogram. E is the point where the diagonals AC and BD meet. Prove that triangle ABE is congruent to triangle CDE

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ABCD is a parallelogram Given
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The editor of a textbook publishing company is deciding whether to publish a proposed textbook. Information on previous textbook

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Answer:

34.86% probability that it will be huge success

Step-by-step explanation:

Bayes Theorem:

Two events, A and B.

$P(B|A) = \frac{P(B)*P(A|B)}{P(A)}$

In which P(B|A) is the probability of B happening when A has happened and P(A|B) is the probability of A happening when B has happened.

In this question:

Event A: Receiving a favorable review.

Event B: Being a huge success.

Information on previous textbooks published show that 20 % are huge successes

This means that $P(B) = 0.2$

99 % of the huge successes received favorable reviews

This means that $P(A|B) = 0.99$

Probability of receiving a favorable review:

20% are huge successes. Of those, 99% receive favorable reviews.

30% are modest successes. Of those, 70% receive favorable reviews.

30% break even. Of those, 40% receive favorable reviews.

20% are losers. Of those, 20% receive favorable reviews.

Then

$P(A) = 0.2*0.99 + 0.3*0.7 + 0.3*0.4 + 0.2*0.2 = 0.568$

Finally

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2 years ago

Consider the probability distribution of x, where x is the number of job applications completed by a college senior through the

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The expected number out of 1000 selected college seniors that completed 3 job application through the career centers is given by 0.123 x 1000 = 123 which is close to 130.

Therefore, the result that would be suprising is "15 seniors completed 2 job applications through the career center."

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2 years ago

The temperature of a city changed by −20 degrees Celsius over a 4-week period. The temperature changed by the same amount each w

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Let's say that the temperature it changed is x.

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When reading a word problem, there are clues that will help you to determine whether you need to find the surface area or the vo

Alex17521 [72]

The options are as follows

(1) An object that is filled

(2) Covering the outside of an object

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Answer:

(1) An object that is filled

(3) An object that is solid

(4) Cubic units

Step-by-step explanation:

Clues that applies

(1) An object that is filled: By filling means that object has that amount of volume that is being filled completely.

(3) An object that is solid is likely a clue to finding the volume of an irregularly shaped solid.

(4) Cubic units, volume is measured in cubic units.

Clues that Doesn't Apply

(2) Covering the outside of an object is a clue to finding the surface area of an object.

(5) Square units is a measure of area not volume.

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