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2 years ago

The midpoint of AB is M(-2, 5). If the coordinates of A are (1, 7), what are the coordinates of B?

Mathematics

1 answer:

irinina [24]2 years ago

7 0

Answer:

(-5, 3)

Step-by-step explanation:

The midpoint formula: $(\frac{x_1 + x_2}{2} , \frac{y_1 + y_2}{2})$

Now, if we work backwards, starting with the x-coordinate

-2 * 2 = -4 - 1 = -5

Then, the y-coordinate

5 * 2 = 10 - 7 = 3

We reach our answer of (-5, 3). A good habit would be to plug these points back into the formula to check if your answer is correct.

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Which function forms a geometric sequence when x = 1, 2, 3, ...?

jeka94

The geometric sequence is found in the relationship between consecutive terms that is constant.
In this problem, as I understand it, none of the functions forms a geometric sequence.
The functions that form a geometric sequence have the form
f (x) = h (a) ^ n where "a" is the constant relation between the successive terms.
If you wrote the function "f (x) = - 2 (3/4) x", you wanted to write instead:
f (x) = - 2 (3/4) ^ x
So that would be the function that forms a geometric sequence, where the relation between the consecutive terms is 3/4.
You can test it by dividing f (x) / f (x-1)
Then you will see that the result of that division will be 3/4.

4 0

3 years ago

The length of side X is 36.25 cm to the nearest hundredth of a centimeter what is the length of y

goldenfox [79]

Answer:

<h3>The length of y is 62.82 cm.</h3>

Step-by-step explanation:

We are given a right triangle with an angle 30°.

Opposite side of angle 30° is x and adjacent side is y.

Also, given length of side x=36.25 cm.

In order to find the value of y, we need to apply tangent trigonometrical ratio.

We know,

$tan \theta =\frac{Opposite \ Side}{Adjacent \ Side}$

Therefore,

$tan \theta =\frac{x}{y}$

Plugging values of $\theta =30^o$ and x=36.25, we get

$tan 30^o=\frac{36.25}{y}$

Plugging value of $tan 30^o=0.577$ in above equation, we get

$0.577=\frac{36.25}{y}$

On multiplying both sides by y, we get

$0.577\times y=\frac{36.25}{y}\times y$

0.577y=36.25

Dividing both sides by 0.577, we get

$\frac{0.577y}{0.577} =\frac{36.25}{0.577}$

y=62.82

<h3>Therefore, the length of y is 62.82 cm.</h3>

3 0

3 years ago

If you want to obtain a Class E license before you turn 18, you must______.

krek1111 [17]

Answer:

here is your answer-:

you must

A. be in compliance with school attendance requirements

B. have proof of employment

C. be a U.S. citizen

D. own a motor vehicle

if it helps you pleassseeeeeeeeeee follow me

4 0

3 years ago

On a piece of paper, graph y≥ x - 1. Then determine which answer choice

zhannawk [14.2K]

Based on the given inequality of y≥ x - 1, the graph that matches it best is C. Graph A.

<h3>How are inequalities graphed?</h3>

When graphing an inequality with the "greater or equal" and "less or equal" signs, the line will be a steady line as shown by graphs A and B.

If y is the larger or equal variable, the shaded area will be to the left of the line.

The inequality is y≥ x - 1 which means that the line should be steady and the shading should be on the left of the line. Graph A is therefore the correct graph.

Find out more on graphing inequalities at brainly.com/question/11234618.

#SPJ1

3 0

2 years ago

13x12=[3x______]+[3x_____]+[10 x______]+[10x____]

Ray Of Light [21]

Answer:it's on the explanation

Step-by-step explanation:

3 x 1

10 x 5

10 x 9

6 0

3 years ago