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gregori [183]
2 years ago
8

UNIT 2 lesson 12 polygons and quadrilaterals unit test part one!!!!!!!

Mathematics
1 answer:
Sholpan [36]2 years ago
4 0

The coordinates of point P is the location of point P in the coordinate plane

The coordinates of point of P is (a + c, b)

<h3>How to determine the coordinate of P</h3>

From the complete question (see attachment), point P and the coordinate (a,b) are on the same horizontal line.

This means that the y-coordinate of point P is b

To determine the x-coordinate of point P, we make use of the following equation

x = a+ c

This is so because, the horizontal line from coordinate (a,b) to line P has the same length as line 0c.

So, the coordinates of point of P is:

P = (a + c, b)

Hence, the coordinates of point of P is (a + c, b)

Read more about coordinates at:

brainly.com/question/7243416

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If 2x• 3x +(2•3 )x +6x= 648, find x.
klasskru [66]

Answer:

x = -1 ± √109

Step-by-step explanation:

2x • 3x + (2 • 3)x + 6x = 648

According to PEMDAS (parentheses/exponents | multiplication/division | addition/subtraction), we should solve the parentheses first.

(2 • 3) = 6

Now we have:

2x • 3x + (6)x + 6x = 648

Now let's multiply.

2x • 3x = 6x²

6 • x = 6x

Now we have.

6x² + 6x + 6x = 648

Combine like terms.

6x² + 12x = 648

Let's factor out a 6.

6(x² + 2x) = 648

Divide both sides by 6.

x² + 2x = 108

Let's use completing the square.

Our equation is in a² + bx = c form.

Divide b by 2.

2/2 = 1

Then square it.

1² = 1

Add 1 to both sides.

x² + 2x + 1 = 108 + 1

Simplify.

x² + 2x + 1 = 109

Now we want to factor the left side. A shortcut is just to use b/2.

(x + 1)² = 109

Take the square root of both sides.

x + 1 = ±√109

The square root is as simplified as possible.

Subtract 1 from both sides.

x = -1 ± √109

Hope this helps!

4 0
3 years ago
Read 2 more answers
You and your friend play the same note. Your friends instrument is in tune and is playing a note it 256 Hz, but your are slightl
Sati [7]

Answer:

In fact, they'll do that if only ONE of them is out of tune.

As long as there's a difference between the two frequencies,

they'll create beats.

Step-by-step explanation:

hope this helps plz brainiest

3 0
4 years ago
College students are offered a 8% discount on a textbook that sells for 26.50. If the sales tax is 8, find the cost of the textb
aleksandr82 [10.1K]
IF THE BOOK COSTS 26.50 AND YOU GET A DISCOUNT OF 8%, YOU NEED TO FIND OUT HOW MUCH IS 8% OF 26.50, WHICH IS IS 2.12 DISCOUNT
SO YOUR BOOK COSTS NOW 26.50-2.12=24.38
NOW, IF YOU WILL PAY 8% TAXES, EIGHT PERCENT OF 24.38 IS 1.95
YOUR BOOK WILL COST 24.38+1.95=26.33
7 0
3 years ago
Read 2 more answers
Which container holds more a half gallon milk jug or a 2 liter juice bottle show your work!
vichka [17]
1 gallon is equal to 3.78541 liters. Therefore, a half gallon would be equal to about  1.89271 liters. Thus, a 2 liter bottle holds more. 
7 0
3 years ago
Read 2 more answers
Compute 0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4)).
alexandr1967 [171]

The value of  0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4)) is -40

<h3>What are integers?</h3>

An integer  is a whole number (not a fractional number) that can be positive, negative, or zero.

Given:

0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4))

= 0+5-10-15-20

=5-25-20

= -40

Hence, value of  0-((5)(-1)+(5)(-2)+(5)(-3)+(5)(-4)) is 40.

Learn more about integers here:

brainly.com/question/1768254

#SPJ1

6 0
2 years ago
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