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Serggg [28]
2 years ago
7

What is the slope of the line through (-1,4) and (1.-2)?

Mathematics
1 answer:
Wittaler [7]2 years ago
3 0

Answer:

A. -3

Step-by-step explanation:

(4) - (-2) = 6

(-1) - (1) =  -2

6/-2

/2

-3

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Blank divided by seven equals zero
Airida [17]

Answer:

anything above 7 or not equivalent to 7 can be the answer

Step-by-step explanation:

8÷7=a undifined number but if it is 7÷7 its 1 and if you got 7÷1 it is 7 so anything other than those answers should be it

4 0
3 years ago
Select the most accurate statement regarding the normal distribution. Group of answer choices It is always the appropriate distr
PSYCHO15rus [73]

Answer:

There is a 95% chance that values will be within ±2 standard deviations of the mean.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

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

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

Approximately 95% of the measures are within 2 standard deviations of the mean.

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

In this question:

According to the empirical rule, 95% of the measures are within 2 standard deviations of the mean. So the correct statement is:

There is a 95% chance that values will be within ±2 standard deviations of the mean.

4 0
3 years ago
Write the equation x^2 = 7x in standard form​
ZanzabumX [31]

Answer:

x²-7x=0

Step-by-step explanation:

please mark as brainliest

7 0
3 years ago
Creat a table of values for the equation y=-x-3
nadya68 [22]

Answer:

x /\ y

1  /\ -4

2 /\ -5

3 /\ -6

4 /\ -7

... /\ ...

Step-by-step explanation:

4 0
3 years ago
When converted to a fraction and reduced to simplest terms, which number will have
maks197457 [2]

Answer: 0.720

Step-by-step explanation:

0.720 = 18/25

0.51 = 51/100

0.144 = 18/125

0.023 = 23/1000

6 0
2 years ago
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