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3 years ago

M(6.–8) is the midpoint of AB. The coordinates of point A are (1.–3).

Mathematics

1 answer:

andriy [413]3 years ago

3 0

Answer:

(11, -13)

Step-by-step explanation:

(1 + x)/2 = 6

1 + x = 12

x = 11

(-3 + y)/2 = -8

-3 + y = -16

y = -13

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Write the following Arithmetic Sequence using an Explicit Formula: a1 = 8, an = an-1 – 2

meriva

an = a + (n - 1)d

= 8 + 2(n - 1)

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3 years ago

Which set of side lenghts can be used to form a right triangle

Nookie1986 [14]

<h3>Solution:</h3>

Pythagoras theorem can ONLY be used in right triangles.
Usually, the longest side is the hypotenuse.

Option A:

6² = 5² + 4²
=> 36 = 25 + 16
=> 36 ≠ 41

The <u>side lengths</u> given are <u>not possible</u> for a right triangle.

Option B:

50² = 40² + 30²
=> 2500 = 1600 + 900
=> 2500 = 2500

The <u>side lengths</u> given are <u>possible</u> for a right triangle.

Option C:

30² = 20² + 10²
=> 900 = 400 + 100
=> 900 ≠ 500

The <u>side lengths</u> given are <u>not possible</u> for a right triangle.

Option D:

4² = 3² + 2²
=> 16 = 9 + 4
=> 13 ≠ 16

The <u>side lengths</u> given are <u>not possible</u> for a right triangle.

<h3>In conclusion...</h3>

Option B is correct.

4 0

2 years ago

How many solutions can a single variable linear equation contain?

Burka [1]

Answer:

One solution

Step-by-step explanation:

As a generalization: an equation of degree n has n solutions. A quadratic equation has the second degree and thus two a solutions; a third degree equation has three, and so on. Thus, a first degree (linear) equation has one solution.

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3 years ago

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sergey [27]

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The lengths of the sides of an isosceles triangle are 30, s, and s. If s is an integer, what is the smallest possible perimeter

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I think that the correct answer to this question is E.) 90 .

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4 years ago