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lesantik [10]
2 years ago
12

What is the distance between the points (-3, -1) and (1, 2)?

Mathematics
1 answer:
kiruha [24]2 years ago
4 0

Answer:  5

Step-by-step explanation:

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Rotate ΔABC with vertices A(-1, 4), B(2, 1), and C(3, -3) about the origin by 90°.
MAXImum [283]
You got this you can do it I don’t know the answer but I hope you find someone who does(:
4 0
3 years ago
0 A maker of a certain brand of low-fat cereal bars claims that the average saturated fat content is 0.5 gram. In a random sampl
balandron [24]

Answer:

<em>The first step is to determine the average </em>

x= \frac{0,6+0,7+ 0,7+0,3+0,4+ 0,5+ 0,4 +0,2}{8}\\\ x= 0,475

<em>The exercise says it’s a normal distribution: (n=8)</em>

s^{2}= \frac{1}{n-1} ((0,6.x)^2+2(0,7-x)^2+(0.3-x)^2+2(0.4-x)^2+(0.5-x)^2+(0.2-x)^2)\\\ \frac{1}{7}*0,235 = 0,0336 \\\\ s= 0183

<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>

<em />

t= \frac{x-u}{\frac{s}{\sqrt{n} }}\\\ t= \frac{0,475 - 0,5}{0,183}\\\  t= -0,3860

<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>

2* P(t < - 0,3860)= \\\ 2* 0,3554 = 0,7108

This value is very high, therefore the hypothesis is not rejected

7 0
4 years ago
What does the statement V (2) = I mean?
mojhsa [17]
Don’t know ...............................
5 0
3 years ago
ℜ 0, -180 is the same rotation as ℜ 0, 180. True False
neonofarm [45]

Answer:

Step-by-step explanation:

The first rotation is clockwise, whereas the second is counterclockwise.  We end up at the same point either way, and the trig functions are the same.  

In summary, the final outcomes are the same, but the directions of rotation are different.   For this reason:  False

8 0
4 years ago
What is log base 5(4*7 )+log base 5 of 2 written as a single log?
nataly862011 [7]
The answer for the exercise shown above is the last option (Option D), which is:

 D. log base 5 of 56

The explanation is show below:

 1. You have the following logarithm expresssion:

 <span>log5(4*7 )+log5(2)
</span>
 2. By the logarithms properties, you can rewrite the logarithm expression as following:

 log5(28)(2)
 log5(56)

 3. Therefore, as you can see, the answer is the option mention before.
 
7 0
3 years ago
Read 2 more answers
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