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4 years ago

Point A (-6,8) and Point B (6,-7)

Mathematics

1 answer:

Roman55 [17]4 years ago

3 0

Answer:0.5,0.5

Step-by-step explanation:

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What is the result of adding these two equations 8x-4y=-4 -3x+4y=5

Sergeeva-Olga [200]

Answer:

8x-4y=-4

-3x+4y=5

-----------------(adding equation)

5x=9

is a required answer

6 0

3 years ago

Help please!!!!!!!!!!!!!!!!

ankoles [38]

All you would have to do is substitute!
Answer:

First one will be 2
Second one will be 10
Third one will be undefined

Explanation:
So for the first one you are substituting x for -3 so then the equation would look like this: -3^2+9/-3^2, this will equal to 9+9/9 which your answer would be 2 since 18/9 is 2. For the second one it will look like this -1^2+9/-1^2 which would be 1+9/1, this would equal to 10. For the last one it will look like this 0^2+9/0^2 which would just be 0+9/0 9/0 would be undefined.

5 0

3 years ago

Find the value of x in the isosceles triangle shown below.

guajiro [1.7K]

Answer:

B) $x = \sqrt{60}$

Step-by-step explanation:

1. As you can see from the image, there are two right triangles in the isosceles triangle. The base of each right triangle is 2 (because 4 ÷ 2 = 2), and the hypotenuse is 8.

2. Let's use Pythagorean Theorem to find the height of each right triangle, which will also give us the height of the isosceles triangle: $a^2 + b^2 = c^2$ , where a = height, b = base, and c= hypotenuse.

$a^2 + 2^2 = 8^2$
$a^2 + (2*2) = (8*8)$
$a^2 + 4 = 64$ (Simplify both sides of the equation)
$a^2 + 4 - 4 = 64 - 4$ (Subtract 4 from both sides)
$a^2 = 60$
$\sqrt{a^2} = \sqrt{60}$ (Take square root of both sides
$a = \sqrt{60}$

3. The√(60) is the height of each right triangle, and it's also the height of the isosceles triangle. Therefore, the answer is B) x = √60.

8 0

3 years ago

What is the answer ?

kirill115 [55]

Answer: cot

Step-by-step explanation: cos

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sin

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cos

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sin

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Combine

cos

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cos

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and

sin

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sin

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cos

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sin

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cos

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sin

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Convert from

cos

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sin

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cos

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sin

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cot

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cot

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cot

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6 0

3 years ago

Find the 12th term of the sequence which has a first term of 14 and has a common ratio of 1.03. Round your answer to the nearest

wel

Since the series has a common ratio then it is a geometric series.
thus it will follow the explicit formula given by:
an=ar^(n-1)
plugging in the values we get:
an=14(1.03)^(n-1)
thus the 12th term will be:
a12=14(1.03)^(12-1)
a12=19.38

5 0

3 years ago