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weqwewe [10]
3 years ago
13

I need help ill give brainliest

Mathematics
2 answers:
tigry1 [53]3 years ago
8 0

Answer:

Step-by-step explanation:

For the first question, the first one is correct because:

a^2+b^2=c^2

where a and b are the two legs and C is the hypotheneuse of the triangle. 8 and y are the leg sides in this case.

So the equation is

8^2+y^2=12^2

For the second question:

we can change the equation to ;

y^2=12^2-8^2 ->

y^2=144-64 ->

y^2=80

N76 [4]3 years ago
4 0

Answer: The first equation can be used to find the answer.

The solution to y^2 is 80

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Consider the geometric series S(x)=1+2(x−3)+4(x−3)^2+8(x−3)^3+⋯
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Find the coordinate A if M (-5,-9) is the midpoint of AB and B has coordinate of (3,-5)
rodikova [14]

The coordinates of Point A are (-13,-13)

Step-by-step explanation:

The formula for mid-point of two points (x1,y1) and (x2y2) is given by:

M = (\frac{x_1+x_2}{2} , \frac{y_1,y_2}{2})

Given

M = (-5,-9)

B(x2,y2) = (3,-5)

Putting the values

(-5,-9) = (\frac{x_1+3}{2} , \frac{y_1-5}{2})

Comparing respective elements

\frac{x_1+3}{2} = -5\\x_1+3 = -5 * 2\\x_1+ 3 = -10\\x_1 = -10-3\\x_1 = -13\\AND\\\frac{y_1-5}{2} = -9\\y_1-5 = -9 * 2\\y_1-5 = -18\\y_1 = -18+5\\y_1 = -13

Hence,

The coordinates of Point A are (-13,-13)

Keywords: Coordinate geometry, mid-point

Learn more about mid-point at:

  • brainly.com/question/5723059
  • brainly.com/question/5639299

#LearnwithBrainly

4 0
4 years ago
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