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Damm [24]
3 years ago
7

Eamon used a number line to compare two numbers,0.48 and 3/5.One number was less than 1/2 and the other number was greater than

1/2.Which number was less than 1/2. Please help
Mathematics
1 answer:
tigry1 [53]3 years ago
6 0
It's easy, just convert all the number to the same decimal or number. Start off by converting all the numbers to decimals. 1/2 would be .50. 3/5 would be .60. By knowing this you can easily order the numbers from least to greatest. .48, .50, and .60. The answer would be  .48
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4 yards to 30 inches write each ratio in simplest form
MissTica

Answer:

24:5

Step-by-step explanation:

4 yards is 3 feet, so 4*3=12. There are 12 inches in a foot, so 12*12=144. 144:30= 72:15 = 24:5

6 0
2 years ago
A sequence of Bernoulli trials consists of choosing components at random from a batch of components. A selected component is eit
Drupady [299]

Answer:

a) 0.0287 = 2.87% probability that three non-defective components in a batch of seven components.

b) 0.0336 = 3.36% probability that 8 non-defective components are drawn before the first defective component is chosen.

Step-by-step explanation:

A sequence of Bernoulli trials composes the binomial distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

The probability that a selected component is non-defective is 0.8

This means that p = 0.8

a) Three non-defective components in a batch of seven components.

This is P(X = 3) when n = 7. So

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 3) = C_{7,3}.(0.8)^{3}.(0.2)^{4} = 0.0287

0.0287 = 2.87% probability that three non-defective components in a batch of seven components.

b) 8 non-defective components are drawn before the first defective component is chosen.

Now the order is important, so the we just multiply the probabilities.

8 non-defective, each with probability 0.8, and then a defective, with probability 0.2. So

p = (0.8)^8*0.2 = 0.0336

0.0336 = 3.36% probability that 8 non-defective components are drawn before the first defective component is chosen.

4 0
2 years ago
Awesome autos car detail charges $30 for a full service detail on SUVs. The equation 30x+45y=450 represents the amount that must
Zina [86]

Answer:

x intercept = 15 # of cars to detail if no SUVs

y intercept =  10 # of SUVs to detail if no cars

Hope this helps!

8 0
3 years ago
I need help solving these equations....
Harlamova29_29 [7]
6 is easy
7. never divide by a fraction, flip ot upside down and multiply, so multiply by 5 on both sides
8. subtract 3.45 on both sides
9. the answer is just 1
7 0
2 years ago
80 POINTS!!!!!!
Lera25 [3.4K]
Plz dont be mean to me i just wanna understand and also its the blue line for answer 1
6 0
3 years ago
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