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Andrei [34K]
2 years ago
10

15 · 20 = 12y ?? 180° = 74° + C ??

Mathematics
1 answer:
Vsevolod [243]2 years ago
4 0

Answer:

answer is 90 degree I think so

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Write the standard form of the equation of the line that passes through (-2, -3) and (2,-5).
Naily [24]

Answer:

y= -1/2x-4

Step-by-step explanation:

By standard form, I'm assuming you mean slope-intercept form, which is y=mx+b. First, we need to find m, or the slope. To do this, we need to plug it into this equation: m= y2-y1/x2-x1. We can rewrite this with our two points, so we make it into m= -5+3/2+2. I did plus signs because if you subtract a negative number from a number, it has the same effect as addition does. Now, we have m= -2/4, which we can simplify to -1/2. Now, we have y=-1/2x+?. Now, let's plug in the numbers in slope-intercept form. I'll choose the ordered pair (-2, -3) for this example. Now that I've plugged the numbers in y=mx+b form (slope-intercept form), we have -3=(-1/2⋅-2)+b. Now, we solve it. First, we do the problem in the parenthesis, from that, we get 1. Now, we have -3=1+b, let's subtract 1 from both sides. Now, we have -4=b. That means our y-intercept is -4. Let's plug this back in the equation. We get y=-1/2x-4. I hope this helps!

5 0
3 years ago
The scores on a test are normally distributed with a mean of 30 and a standard deviation of 6. Find the score that is one dash h
Mashcka [7]

Answer:

Step-by-step explanation:

If it is asking for 1.5 standard deviations above the mean, it is 30 +1.5(6)=39

4 0
3 years ago
Hollys garden is divided into 5 equal sections. She will fence the garden into 3 areas by grouping some equal sections together.
nignag [31]
I think it will be 2 part of the garden and 3 parts left I really don't know sorry
5 0
2 years ago
6t-6, for t=6<br> Can u help me slove this problem
inn [45]
I’m pretty sure the answer is 30
6 0
3 years ago
Read 2 more answers
Which measures of central tendency would be affected if the outlier 11 was added to the following set 27,20,34,37,21,42,39
MrRa [10]

Answer:

Median will not be affected by the outlier.

Step-by-step explanation:

With the outlier, the mean will be dragged way down. The median will likely be about the same. Mean is non-resistant to outliers, median is resistant.

Hope this helps!

5 0
3 years ago
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