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Umnica [9.8K]
3 years ago
6

Can you explain what went wrong and the actual answers these 3

Mathematics
2 answers:
vlada-n [284]3 years ago
7 0
For the first one, they got rid of the 6x when they shouldn’t have, and the correct answer is x = 21.5


For the second one, 47 would be subtracted by 180, not 90, and the correct answer is 133


For the third one, 5x - 10 doesn’t equal 115, 5x - 10 equals 180 - 115, and the correct answer is x = 17
frutty [35]3 years ago
5 0

Answer:

k i am going to tell you what's wrong with all of them, then i will give you the right answer

For the first one they did not combine the variable correctly

the second one needs to use 180, not 90

the third one is not set up like the first one and is supposed to. (115+5x+10=180)

1) 21.5

2) 133

3) 11

Hope this helps!! Have a good day and remember to be tiger fierce!! :)

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1. 21

2. 896

3. 20.9

Step-by-step explanation:

Use BODMAS/BIDMAS to solve.

4 0
3 years ago
Write the point-slope form of the line that passes through the origin and is parallel to a line with a slope of 2. include all o
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Triangle ABC has vertices of A(-8,8),B(6,2),C(-2,1).Find the length of the median from C in triangle e abc
jekas [21]
First find midpoint of AB and lastly find the length of midpoint and C

8 0
3 years ago
 find the equation of the line that is parallel to the line Y equals 3X -6 and passes through the points (1 -8). Write the equa
AlladinOne [14]
<h3>hello!</h3>

=====================================================

Parallel lines have the same slope.

So if the given line has a slope of 3, then the line parallel to it has the same slope (3)

Now, let's write the equation of the line in Point-Slope Form.

Remember, point-slope form looks like so:-

\bigstar{\underline{\boxed{\pmb{y-y1=m(x-x1)}}}

Where

y₁ is the y-coordinate of the point that the line passes through

m is the slope

x₁ is the x-coordinate of the point that the line passes through

In this case,

y₁ is equal to -8

m is equal to 3

x₁ is equal to 1

Plug in the values:

\longrightarrow\sf{y-(-8)=3(x-1)}

Simplify:

\longrightarrow\sf{y+8=3(x-1)}

and we're done!

=========================================================

<h3>note:-</h3>

Hope everything is clear; if you need any more explanation/clarification, kindly let me know, and I will comment and/or edit my answer :)

4 0
2 years ago
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VARVARA [1.3K]

Answer:

1.34%

Step-by-step explanation:

In order to find the percentage increase between these two prices, we must first find the difference in price. We calculate this by subtracting the final price by the initial price like so...

$9.84 - 9.71 = 0.13

Now we divide the difference by the initial price to find what percentage of the initial price this difference is, since this percentage difference was added to the initial price to get the new and final price point.

0.13 / 9.71 = 0.013388 ... multiply by 100 to get percent value

0.013388 * 100 = 1.3388% or 1.34% rounded.

4 0
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