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3 years ago

What is 100 and 4 subtracted from negative 42?

Mathematics

1 answer:

iragen [17]3 years ago

3 0

Let's walk through the word problem.

What is 100(100) an 4(100+4) subtracted from negative 42(42-(100+4)

Parenthesis: -42-104

Subtaction: -146

Answer: -146

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What’s the value of DCB?<br> Pls help

amm1812

Answer:

Step-by-step explanation:

angle ACD + angle DCB = 180 (Angles on straight line)

4x + 2 + 3x + 3 = 180

7x + 5 = 180

7x = 180-5

7x = 175

x = 175 / 7

x = 25

angle DCB = 3x +3 = 3*25 + 3 = 75 +3 = 78

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2 years ago

Cody stamped 460 envelopes in 30 minutes. How many envelopes per minute did Cody stamp?

Leokris [45]

Answer:

15 1/3 envelopes in 1 minutes

Step-by-step explanation:

Take the number of envelopes and divide by the number of minutes

460 envelopes / 30 minutes

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2 years ago

Which of the following describes the line with equation y=-5

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Answer: please post your answer choices and then I can help

Step-by-step explanation:

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3 years ago

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poizon [28]

Sir your probably gunna report this but i have no equation if you could kindly provide the information I requested i would be happy to answer you question

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2 years ago

Ponderosa Paint and Glass carries three brands of paint. A customer wants to buy another gallon of paint to match paint she purc

sveta [45]

Answer:

$\frac{4}{9}$

Step-by-step explanation:

Two events are independent of each other, this is called Compound Probability. Classical example is if two coins are filped, what is the probability of getting two heads in a row.?

Answer: each has 50% probability because there are two states only, either H or T. since we have two coins the probability of getting two heads in row is the product of obtaining heads for each individual coin (which is independent of each other). or is $\frac{1}{2}$ × $\frac{1}{2}$ = $\frac{1}{4}$ = 25%. (Notice!).

Back to our problem, now here we have 3 paint brands and one of them is the right paint brand and two of them are not correct brands. so the prabablity that the customer has picked not correct brand is $\frac{2}{3}$ and her husband has not picked correct brand is also $\frac{2}{3}$ , since two probabilities are compound probabilities i.e indepandant of each other the probablity that both woman and her husband fail get correct brand is the product of the two and is = $\frac{2}{3}$ × $\frac{2}{3}$ = $\frac{4}{9}$ .

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3 years ago