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Anastaziya [24]
2 years ago
7

Find the probability of 5 successes in 9 trials of a

Mathematics
1 answer:
erik [133]2 years ago
3 0

Answer:

13.8%

Step-by-step explanation:

P = nCr pʳ qⁿ⁻ʳ

P = ₉C₅ (0.37)⁵ (1−0.37)⁹⁻⁵

P ≈ 0.138

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A blueprint for a house has a scale of 1:5 feet. The living room has a length of 2.5 inches and a width of 3 inches. What is the
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Answer:

Step-by-step explanation:

Set this up as a proportion, with inches on the top and feet on the bottom for our scale.  We will find the actual length first, then we'll find the width.

\frac{in}{ft}:\frac{1}{5}=\frac{2.5}{x}

Cross multiply to get that the actual length is 5(2.5) = 12.5 feet.  Now for the width:

\frac{in}{ft}:\frac{1}{5}=\frac{3}{x}

Cross multiply to get that the actual width is 5(3) = 15 feet.

If you want the area of the room, multiply the length times the width to get

A = 15(12.5)

A = 187.5 feet squared

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3 years ago
Jack has 10 more than twice as many baseball cards b than
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Answer: C (110)

reasoning: 50 times 2 = 100. 100 + 10 = 110
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3 years ago
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Educators are testing a new program designed to help children improve their reading skills. The null hypothesis of the test is t
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Answer is a hopefully it helps
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3 years ago
What two numbers add to 10 and multiply to -192? How do you find it?
Levart [38]
There is a way to do this algebraically using equations, but it is really messy so I am going to go over the way to do it. The way you do this is by finding whole numbers that multiply to make -192. Start with 1 and 192, 2 and 96, 3 and 64, etc and make the smaller number negative. 
The reason why you make the smaller number negative is because we are looking for what numbers add together to make a positive number (10). If the bigger number was negative, then we would get a negative sum. 
From what i could find, there aren't any whole numbers that satisfy this, and i doubt that the question would want you to find decimals for this. 

The way to find this with equations (in short) is to have to variables, x and y, and make two equations. in this case x+y=10 and xy=-192. Solve one equation for a variable and then use substitution to plug that variable into the other equation. if you do this you get really long decimals.
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3 years ago
17. Does this graph below represent a linear or nonlinear function? ^^
TiliK225 [7]

Answer:linear

Step-by-step explanation:

The numbers are going up at the same rate and it’s a straight line

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3 years ago
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