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liq [111]
3 years ago
14

Find the midpoint of the line segment with the given endpoints. please help !!

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
7 0

Answer:

A. (-3, -2)

Step-by-step explanation:

Given:

(4, -10) and (-10, 6)

Required:

Midpoint of the two endpoints

Solution:

Apply the midpoint formula,

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2})

Where,

(4, -10) = (x_1, y_1)

(-10, 6) = (x_2, y_2)

Plug in the values

M(\frac{4 + (-10)}{2}, \frac{-10 + 6}{2})

M(\frac{-6}{2}, \frac{-4}{2})

M(-3, -2)

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Which fraction is between 2/3 and 6/7
MrRa [10]

Answer:

For example, 16/21

Step-by-step explanation:

Are there choices?

There is an infinite number of numbers between any two numbers.

2/3 = 14/21

6/7 = 18/21

One example of a fraction between 2/3 and 6/7 is 16/21

16/21 is between 2/3 and 6/7.

5 0
2 years ago
How do you solve 1/2x<13?
Alisiya [41]
You need to get x alone on one side. You need to divide 1/2 on both sides which makes 13 a 26. x<26
4 0
3 years ago
Suppose that a standardized biology exam has a mean score of 80% correct, with a standard deviation of 3. The school administrat
NemiM [27]

Answer:

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

A sample of 65 students from the freshmen class is used and a mean score of 76% correct is obtained.

This means that n = 65, \pi = 0.76

99% confidence level

So \alpha = 0.005, z is the value of Z that has a pvalue of 1 - \frac{0.005}{2} = 0.995, so Z = 2.575.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 - 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.6236

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.76 + 2.575\sqrt{\frac{0.76*0.24}{65}} = 0.8964

0.6236*100 = 62.36%

0.8964*100 = 89.64%

The 99% confidence interval is between 62.36%(lower bound) and 89.64%(upper bound).

6 0
3 years ago
Quick please no links or anything just the straight up answer answer both please
Serjik [45]
Answer: 42 degrees

Explanation: KFD=84 KFL is half of KFD(84)
84 divided by 2 = 42
4 0
2 years ago
<img src="https://tex.z-dn.net/?f=4%20%5Ctimes%204" id="TexFormula1" title="4 \times 4" alt="4 \times 4" align="absmiddle" class
Ierofanga [76]
The answer its 16 real easy btw
3 0
3 years ago
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