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3 years ago

Find the midpoint of (5,9) and (-1,9)

Mathematics

1 answer:

777dan777 [17]3 years ago

6 0

Answer:

The answer to your question is (2, 9)

Step-by-step explanation:

Data

A (5, 9)

B (-1, 9)

Formula

Xm = $\frac{1 + x2}{2}$

Ym = $\frac{y1 + y2}{2}$

Substitution

Xm = $\frac{5 - 1}{2}$

Xm = $\frac{4}{2} = 2$

Ym = $\frac{9 + 9}{2} = \frac{18}{2} = 9$

Midpoint = (2, 9)

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In ΔABC, side AB is 8 units long and side BC is 25 units long. What cannot be the length of the third side

Anastasy [175]

Answer: 35

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The third side can be anywhere from 8 - 32

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4 years ago

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4 years ago

Carlos is using the quadratic formula to find the solutions of y=3x^2-5x-2. Which of the following will simplify to the correct

Nana76 [90]

Answer:

$Fx=\frac{5\pm\sqrt{25+24} }{6}$

Step-by-step explanation:

A quadratic equation in one variable given by the general expression:

$ax^2+bx+c$

Where:

$a\neq 0$

The roots of this equation can be found using the quadratic formula, which is given by:

$x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}$

So:

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As you can see, in this case:

$a=3\\b=-5\\c=-2$

Using the quadratic formula:

$x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}=\frac{-(-5)\pm\sqrt{(-5)^2-4(3)(-2)} }{2(3)}=\frac{5\pm\sqrt{25+24} }{6}$

Therefore, the answer is:

$Fx=\frac{5\pm\sqrt{25+24} }{6}$

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3 years ago

Carl is boarding a plane. He has 222 checked bags of equal weight and a backpack that weighs 4 Write an equation to determine th

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Answer: 2w + 4 = 35

Step-by-step explanation:

Carl's two checked bags and his one backpack together weigh 35kg.

Carl's two checked bags have equal weight so both their weight can be denoted as 2w.

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If you were to solve;

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3 years ago

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Answer:

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Step-by-step explanation:

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