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Svetllana [295]
3 years ago
6

Select the set of equations that would be used to solve the following absolute value equation: |x+6|=18

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0
The answer is A. x-6=18 and x+6=18.

Yuki888 [10]3 years ago
4 0
|x + 6| = 18

absolute value just tells you how many units a value is from 0 on a number line. |-1|, for example, is 1 unit away from the number line. |383| is 383 units away. with that being said, the answer to absolute value equations is set up like so:

x + 6 = 18
or
x + 6 = -18

so basically, the absolute value of (x + 6) is 18 units away from 0 on a number line, but it could be 18 units in the positive or negative direction, so you have to look for both by setting it to both -18 and 18. your answer is C.
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Question 6 of 10
Maksim231197 [3]

Answer:

(2.5 , 3.5)

Step-by-step explanation:

We can use the midpoint formula . Here the points are , (2,2) and (3,5) .

• <u>Using</u><u> </u><u>Midpo</u><u>int</u><u> Formula</u><u> </u><u>:</u><u>-</u><u> </u>

⇒ M = { (x1 + x2)/2 , (y1 + y2)/2 }

⇒ M = ( 2+3/2 , 5+2/2 )

⇒ M = ( 5/2 , 7/2 )

⇒ M = ( 2.5 , 3.5 )

<h3><u>Hence </u><u>the</u><u> </u><u>midpoint</u><u> </u><u>is</u><u> </u><u>(</u><u>2</u><u>.</u><u>5</u><u> </u><u>,</u><u> </u><u>3</u><u>.</u><u>5</u><u>)</u></h3>
6 0
3 years ago
I need help with this
Assoli18 [71]
On a given line, (on one side) there are a total of 180°

if one line in Problem #3 is bisected by a line, with one half X and the other 120°,

do 180° (the total) minus 120° which=60°

now the hard part, that line that bisected the first line is bisecting a line that is parallel to your second line, the one with <5 and <6

this means that the big angle formed in the first one with 120° is the same angle as in the second line, leaving <5 as 120°
which means <6 is 60°, like in the top part of the problem. You're basically flipping the top line upside down, I hope it helps.
7 0
3 years ago
What is the sum of 9c+(8+3c)?
mixas84 [53]
<span>9c+(8+3c)      
9c+8+3c     (collect like terms)

9c+3c+8
12c+8

12c+8 is the answer.
im not sure if your teacher also wants the answer to be in simplest form so im going to do that below as well:

12c+8      (4*3=12 and 4*2=8. you can take out a 4 from those 2 numbers)

4(3c+2) (this is the simplest form of </span>9c+(8+3c)<span>)


</span>
6 0
3 years ago
What is the answer for this -12n - (-13n)=
Ksenya-84 [330]

Answer:

n

Step-by-step explanation:

-12n - (-13n) = -12n +13n = 1n

8 0
3 years ago
a party of 145people have tea at 22tables at some tables they are 7people and 6of the others how many tables are their 7people
AlladinOne [14]
If all 22 tables had 6 people, there would be 132 people seated. There are 13 more than that, so 13 tables have 7 people.
6 0
3 years ago
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