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Lyrx [107]
3 years ago
11

Which of the following is the solution set of the given equation?

Mathematics
2 answers:
N76 [4]3 years ago
4 0

Answer:

x = -10

Step-by-step explanation:

GarryVolchara [31]3 years ago
3 0
Answer is -10
(x-3)-2(x+6)= -5
x-3-2x-12= -5
-x= -5+12+3
-x=10
x= -10
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i need help please! I think I know the answer but for some reason my brain's telling me that it's wrong so if someone could expl
Ivenika [448]

Considering the slopes of the segments, the correct option is:

D. No, because the triangle ABC doesn't have a pair of perpendicular sides.

<h3>When are lines parallel, perpendicular or neither?</h3>

The slope, given by <u>change in y divided by change in x</u>, determines if the lines are parallel, perpendicular, or neither, as follows:

  • If they are equal, the lines are parallel.
  • If their multiplication is of -1, they are perpendicular.
  • Otherwise, they are neither.

Here, we have to find if there are perpendicular segments, that is, if two slopes multiplied have a value of -1, then:

  • mAB = (-7 - 9)/(11 - 1) = -8/5.
  • mAC = (3 - 9)/(-9 - 1) = 3/5.
  • mBC = (3 - (-7))/(-9 - 11) = -1/2.

No sides are perpendicular, hence option D is correct.

More can be learned about slopes at brainly.com/question/20847660

#SPJ1

6 0
2 years ago
If A and B represent integers, M+P = P+M is an example of which property?
Serggg [28]

Answer:

commutative propriety of addition

Step-by-step explanation:

M+P =P+M is an example of the commutative propriety of addition

when numbers or parentheses connected by addition or multiplication switch places (commute) we have commutative propriety of addition or multiplication

8 0
3 years ago
Read 2 more answers
Is 4y - 8 &gt; 10 true?
steposvetlana [31]

4y-8>10

Add 8

4y-8+8>10+8

4y>18

Now divide both sides by 4

4y/4 > 18/4

y>9/2


Now let's see if it will be true

Replace y by its value

4(9/2)-8>10

36/2 -8 > 10

18-8 > 10

10 > 10

That's false because 10 can not smaller than 10

so it should be = instead


Answer : False


I hope that's help:)

7 0
3 years ago
76 is 80% of what number?
vfiekz [6]
76 is 80% of 95 and I'll even explain.
80/100 = 76/x from this point you cross multiply which gives you 80x = 76(100) you multiply 76 by 100 and get 7600 so then the equation look like this 80x = 7600 then divide by 80 on both sides and get the answer of x = 95 which is basically your answer I hope this helps :)
8 0
3 years ago
If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those
Irina-Kira [14]
The fraction would be 4/9
8 0
3 years ago
Read 2 more answers
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