3 years ago

Which are vertical angles?

Mathematics

1 answer:

miv72 [106K]3 years ago

5 0

Vertical angles are angles opposite each other where two lines cross

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You bought a boat for $10,000. You have owned it for one year, and it is now worth $8,500. What is the percent decrease in your

Ede4ka [16]

Answer:

15%

Step-by-step explanation:

You find it by taking 10,000 and subtracting 8,500 and get $1,500. Now take $1500 and divide by the actual amount 10,000 and get 15%

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3 years ago

In the diagram mz3= x+ 30 and mz4 =2x-80. What is the measure of angle 3?

Andreas93 [3]

Given:

Consider the below figure attached with this question.

$m\angle 3=(x+30)^\circ$ and $m\angle 4=(2x-80)^\circ$ .

To find:

The measure of angle 3.

Solution:

From the below figure it is clear that, angle 3 and angle 4 are vertically opposite angles.

We know that, vertically opposite angles are always equal. So,

$m\angle 3=m\angle 4$

$(x+30)^\circ=(2x-80)^\circ$

$x+30=2x-80$

$x-2x=-30-80$

$-x=-110$

$x=110$

Now,

$m\angle 3=(110+30)^\circ$

$m\angle 3=140^\circ$

Therefore, the measure of angle 3 is 140 degrees.

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3 years ago

In the orthonormal system (O; i⃗,j⃗) below, consider point A(3, −1), vector v⃗(2,1), and

Akimi4 [234]

Answer:

Step-by-step explanation:

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2 years ago

Please please please help me guys

Ksenya-84 [330]

The answer is A hope this helps

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3 years ago

How many solutions does the system of equations have 2x = -10y + 6 and x + 5y = 3

kipiarov [429]

Infinite

x=-5y+3 is the same as x+5y=3

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