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Alika [10]
3 years ago
11

ASAP Can someone please solve this for me ?

Mathematics
1 answer:
slava [35]3 years ago
5 0
First to figure out if it is an isosceles or an equilateral triangle we need find the distance of all sides to do that you have to use the distance formula.

Ever since all the sides don’t equal the same but two meaning it is an isosceles triangle.

The answer is the last one.

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Line b passes through points (5, 5) and (10, 8). Line c passes through points (4, 8) and (1, 13). Are line b and line c parallel
lora16 [44]

Answer:

Step-by-step explanation:

In going from (5, 5) to (10, 8), x (the run) increases by 5 and y (the rise) increases by 3.  Thus, the slope of the line connecting the first two points is m = 3/5.

In going from (1, 13) to (4, 8), x (the run) increases by 3 and y (the rise) decreases by 5.  Thus, the slope of the line connecting the first two points is m = -5/3

Because these results are negative reciprocals of one another, the two lines are PERPENDICULAR to one another.

3 0
3 years ago
Help pls show work if needed
Likurg_2 [28]

Let's add up the given scores to get: 97+38+88+75+83 = 381. Then we divide by 5 since there are five scores here. The mean we get is 381/5 = 76.2

So that explains the "76.2" mentioned.

Now we'll replace the "38" with "58" and repeat the same steps as above.

Add: 97+58+88+75+83 = 401

Divide by five: 401/5 = 80.2

The mean is now 80.2; it has increased compared to the previous mean. We can see that if we move any outliers closer to the main cluster, then the mean will be centered more around the main cluster. In the other direction, if we move the outlier further away from the cluster, then the outlier pulls on the mean. Think of a magnetic or gravitational pull.

The smaller outlier 38 made the mean of 76.2 to be smaller than it should be if we focused on the other values only. In short, if your data set has outliers, then the mean may likely not reflect the true center average value of the group. At that point, the median may be the next best thing or you could use a trimmed mean.

6 0
3 years ago
What is the factored form of the following expression?
Dafna11 [192]
<span>w^2 + 18w + 77 = 0 
breaking the middle term
</span><span>w^2 + 11w + 7w + 77 = 0
making pairs, 
</span>(w^2 + 11w) + (7w<span> + 77) = 0
</span>w(w + 11) + 7(w + 11) = 0
(w+11)(w+7)=0
Hence,
the best answer is :
<span>C. (w + 7)(w + 11) </span>
8 0
3 years ago
Read 2 more answers
Zach read a book10 min every weekend for the first month 20min in 2nd month 40 min in third month and 80 min in 4th month
Natali5045456 [20]

Answer:

Zach time of reading every weekend forms a sequence with these terms: 10, 20, 40, 80. On the other hand, that of Victoria forms a sequence with terms: 35, 50, 65, 80. By keenly observing the sequences, Zach's sequence is a geometric sequence with a common ratio equal to 2 and Victoria's sequence is an arithmetic or linear sequence with a common difference of 15. Thus, the answer is letter B.

Step-by-step explanation:

4 0
2 years ago
If 4 muffins cost $5.24, how much would 5 muffins cost ?
OLga [1]

Well, if 4 muffins cost $5.24, then we can do 5.24 ÷ 4 = 1.31 to know that one muffin costs 1.31. Now we can do 1.31 x 5 = 6.55 to know 5 muffins cost 6.55.

6 0
3 years ago
Read 2 more answers
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