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aivan3 [116]
2 years ago
13

Which of the following numbers are less than nine over four

Mathematics
1 answer:
allochka39001 [22]2 years ago
5 0

Answer:

option B and C

Step-by-step explanation:

option B and C

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81. Which sum below can be expressed as a
MrRa [10]
D. 1/4 + 1/5 = 5/20 + 4/20 = 9/20 = 45/100 = 0.45
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How do I find the gradient of the line y=x-5
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The gradient is the same as the slope.
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The gradient in this equation is 1
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A ladder is placed 5 feet away from a house. The ladder comes up to 12 feet on the side of the house. How long is the ladder? Pl
LuckyWell [14K]
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Explanation:

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LabTech is a company that manufactures microscopes and other laboratory instruments . On occasion, one of the microscopes is def
Scrat [10]

Answer:

0.0782 (7.82%)

Step-by-step explanation:

The required probability will be found by using the Binomial Distribution which fits the case of n independent events each with a probability of success equal to p with k successes.

The PMF (Probability Mass Function) is

f(k,n,p)=\binom{n}{k}p^kq^{n-k}

Where q = 1-p

LabTech states that the probability that a microscope is defective is 0.17%, p=0.0017, q=0.9983. We need to know the probability that k=1 microscope is defective out of a set of n=50 of them. We now apply the formula

f(1,50,0.0017)=\binom{50}{1}0.0017^10.9983^{49}=0,0782

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5 0
3 years ago
1/2x + 6= 3x - 4<br> Solve the system of equations
shepuryov [24]
1.Combine multiplied terms into a single fraction

2. Multiply by 1

3. Subtract 6 from both sides of the equation

4.Simplify

5.Subtract 3x from both sides of the equation

6.Simplify

7.Multiply all terms by the same value to eliminate fraction denominators

8.Simplify

9.Divide both sides of the equation by the same term

10.Simplify

Solution:x=4
5 0
2 years ago
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