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monitta
2 years ago
8

Ax^2+bx+c , we get b-c-a=

Mathematics
1 answer:
maria [59]2 years ago
3 0

Answer:

0  \: I  \: think.

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Monica's credit card statement shows she onwed $250 she made a payment of $200 then she charged for $38 for gasoline she returne
Aleonysh [2.5K]

Answer:

73

Step-by-step explanation:

250 - 200 + 38 - 15 = 73

4 0
2 years ago
The next three terms of the sequence -2, 4, -8, 16 is -32, 60, -128<br> True or False
jekas [21]
False
common difference of this arithmetic sequence is -2
so next 3 terms are : -32, 64, -128
8 0
3 years ago
In AABC, a = 8, b = 5, and c = 9. What is the value of<br> angle B.
FromTheMoon [43]
Can you show the problem ?
8 0
3 years ago
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

Which means that there is a 7.82% of probability to get 1 defective microscope out of the first 50

5 0
3 years ago
11/4 hours 19/8 hours 2.6 hours witch is closest to 2 hours?
ExtremeBDS [4]

Answer:

\frac{19}{8} hours is closest to 2 hours.

Step-by-step explanation:

We have been given three numbers and we need to decide which of the three numbers is closest to 2.

In order to decide that, we will convert each of the given numbers into decimals and then we will compare.

\frac{11}{4} =2.750\\\frac{19}{8}=2.375\\2.6=2.600

Upon comparing 2.750, 2.375 and 2.600 we know that 2.375 is closest to 2. Therefore, out of the given three numbers, \frac{19}{8} is closest to 2.

4 0
3 years ago
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