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balu736 [363]
3 years ago
6

Find the difference (6ab+4a-3) - (2ab-4)

Mathematics
2 answers:
finlep [7]3 years ago
5 0
7ab is the correct answer
Y_Kistochka [10]3 years ago
3 0
This would be 8(ab) sooo yaaaa
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I need help pleasee please
Volgvan

Answer:

We just have to do 15 ÷ 15/4 = 15 * 4/15 = 4.

7 0
3 years ago
A line segment has (x1, y1) as one endpoint and (xm, ym) as its midpoint. Find the other endpoint (x2, y2) of the line segment i
Tasya [4]

Answer:

(3,7) for the first line, and (12,0) for the second one.

Step-by-step explanation:

Hi Isabella,

1) The Midpoint of a line, when it comes to Analytical Geometry, is calculated as Mean of two points it follows:

x_{m}=\frac{x_{1} +x_{2} } {2}, y_{m} =\frac{y_{1}+ y_{2} }{2}

2) Each segment has two endpoints, and their midpoints, namely:

a) (1,-9) and its midpoint (2,-1)

b) (-2,18) and its midpoint (5,9)

3) Calculating. You need to be careful to not sum the wrong coordinates.

So be attentive!

The first line a

2=\frac{1+x_{2} }{2}\\  4=1+x_{2}\\  4-1=-1+1+x_{2} \\ x_{2}=3\\-1=\frac{y_{2}-9}{2}\\-2=y_{2}-9\\+2-2=y_{2}-9+2\\ y_{2}=-7

So (3,7) is the other endpoint whose segment starts at (1,-9)

The second line b endpoint at (-2,18) and its midpoint (5,9)

5=\frac{-2+x_{2} }{2} \\ 10=-2+x_{2} \\ +2+10=+2-2+x_{2}\\ x_{2}=12 \\ \\ 9=\frac{18+y_{2} }{2} \\ 18=18+y_{2} \\ -18+18=-18+18+y_{2}\\ y_{2} =0

So (12,0) it is the other endpoint.

Take a look at the graph below:

8 0
3 years ago
Usually, in sports, we expect top athletes to get better over time. We expect future athletes to run faster, jump higher, throw
pishuonlain [190]

Answer:

125

Step-by-step explanation:

5 0
3 years ago
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Hii guys plz help me
Delicious77 [7]

Answer:

B is the answer

Step-by-step explanation:

5 0
3 years ago
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Look at the picture below for the question i need help with. I pretty sure you need to find the y-intercept...
daser333 [38]

Answer:

20.00

Explanation:

You can see that with every two coffees the amount is decreasing by 3.50 each time

The slope is -1.75 which is for every one coffee so this multiplied by 2 = 3.50

8 0
3 years ago
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