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Ket [755]
3 years ago
11

Solve for x(0,7) and (0,1)

Mathematics
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

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Step-by-step explanation:

You might be interested in
Rewrite the expression ????^2 + 4???? + 3, first by factoring and then by completing the square. Which way is easier?
yanalaym [24]

Answer:

Factoring

(x+3) (x+1)

Completing the square

(x+2)^2 +(-1) = (x+2)^2 -1

For this case seems more complicated the option completing the square because we need to do more operations and we need to know algebra. By the other hand for the Factoring case we just need to find two numbers that satisfy the conditions required.

Step-by-step explanation:

Assuming the following expression:

x^2 +4x +3

Factoring

For this case we want to find two values that added would be 4 and multiplied would be 3. On this case these two values are 3 and 1 because 3+1=4 and 3*1 =3. So then we can factor the expression like this:

(x+3) (x+1)

Completing the square

For this case if we want to complete the square we need to do this:

x^2 +4x + (\frac{4}{2})^2 +3 - (\frac{4}{2})^2

And if we simplify this we got:

(x^2 +4x +4) +3-4

(x+2)^2 +(-1) = (x+2)^2 -1

For this case seems more complicated the option completing the square because we need to do more operations and we need to know algebra. By the other hand for the Factoring case we just need to find two numbers that satisfy the conditions required.

7 0
3 years ago
Margie spins a spinner and flips a coin. The spinner has the colors: red, green, blue, and green. What is the probability that y
erastova [34]

Answer:

1/6 i believe

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
F(0) = -22 - 10x<br> Find f(-7)
miss Akunina [59]

Answer:

52

Step-by-step explanation:

-22-10(-7)

-22--70

-22+70

52

4 0
3 years ago
If the number of defects found is more than one standard deviation above the mean, the manufacturing facility needs to recalibra
Sliva [168]

Answer:

16% probability that the facility needs to recalibrate their machines.

Step-by-step explanation:

We have to use the Empirical Rule to solve this problem.

Empirical Rule:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

What is the probability that the facility needs to recalibrate their machines?

They will have to recalibrate if the number of defects is more than one standard deviation above the mean.

We know that by the Empirical Rule, 68% of the measures are within 1 standard deviation of the mean. The other 100-68 = 32% is more than 1 standard deviation from the mean. Since the normal distribution is symmetric, of those 32%, 16% are more than one standard deviation below the mean, and 16% are more than one standard deviation above the mean.

So there is a 16% probability that the facility needs to recalibrate their machines.

7 0
4 years ago
Yo can someone help me out
grin007 [14]
Yes. I completely agree with that person ^^
6 0
3 years ago
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