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cricket20 [7]
3 years ago
7

bill can paint a room in 6 hours, but bills father could do it in four. if the two work together, how long would it take them to

do the job?
Mathematics
1 answer:
aleksley [76]3 years ago
3 0

Answer:

3 hrs thats my anwser

Step-by-step explanation:

brainliest if right

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Sets M and F are defined as follows.
a_sh-v [17]

Answer:

intersection is /c,d/

Step-by-step explanation:

circle the common members and list them

6 0
3 years ago
Which describes the graph of y= (x - 4)2 - 1?
Alina [70]

Answer:

Step-Opens up with a vertex at (4,-1)by-step explanation:

4 0
2 years ago
All of the following relations are functions, except A) y = x2. B) x = y2. C) y = |x|. D) y = x .
elena-s [515]
B) x = y^2 because it fails the vertical line test making it not a function
7 0
3 years ago
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Thomas invests $50,000 in an account that compounds interest continuously and earns 15%. How long will it take for his money to
WARRIOR [948]

Answer:

It will take about 7.3 years for his money to triple.

Step-by-step explanation:

Identify the variables in the formula.

A = 150,000

P = 50,000

r = 0.15

t = ?

A = Pe^rt

Substitute the values into the formula.

150,000 = 50,000e^0.15*t

Solve for t. Divide each side by 50,000.

3 = e^0.15*t

Take the natural log of each side.

ln 3 = ln e^0.15*t

Use the power property and then simplify.  

ln 3 = 0.15*t ln e

ln 3 = 0.15-t

Divide each side by 0.15.

(ln 3) /(0.15) = t

Approximate the answer.

t ≈ 7.3

4 0
3 years ago
Read 2 more answers
Hamid is playing a trivia game with multiple choice questions. Each question has 2 correct answers among 5
goblinko [34]

The probability that Hamid guesses both answers correctly is 10%.

Since Hamid is playing a trivia game with multiple choice questions, and each question has 2 correct answers among 5 answer choices, and Hamid has no idea what the answers to a certain question are, so he needs to choose two different answers at random, to determine what is the probability that Hamid guesses both answers correctly the following calculation must be performed:

  • 2/5 x 1/4 = X
  • 0.4 x 0.25 = X
  • 0.1 = X
  • 0.1 x 100 = 10

Therefore, the probability that Hamid guesses both answers correctly is 10%.

Learn more in brainly.com/question/22049333

6 0
3 years ago
Read 2 more answers
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