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Colt1911 [192]
3 years ago
9

Solve the inequality. 12x<-144

Mathematics
2 answers:
Zepler [3.9K]3 years ago
5 0

Answer:

Step-by-step explanation:

x=-12

Irina18 [472]3 years ago
4 0

Answer:

x= -12

Step-by-step explanation:

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Help i don’t know if my answers are correct and I need the other ones I didn’t answer to be answered to please help I need the c
qwelly [4]
Answer:
1) correct
2) correct
3) Not Congruent
4) Not Congruent
5) correct
6) Not Congruent
7) incorrect
8) SAS

Explanation:
7 is incorrect because the angle isn’t included in the sides

Hope this helps!
7 0
3 years ago
PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!
Lelu [443]

Answer:

2. x = -16       y = -10.5

3. x = 4

4. x = 3         y = 2/9 or 0.2222222222222...

Step-by-step explanation:

2.

in my stategy, you plus -5x + 8y = -4 with 6x - 8y = -12

+8y and -8y could delete each other, then y will be gone.

-5x + 6y = 1x = x because -5 + 6 = 1

so then you could got x = (-4) + (-12) which means x = -16

if x = -16 that will then means

(-5) x (-16) + 8y = -4

80 + 8y = -4

8y = -4 - 80

8y = -84

y = -10.5

3.

This question has already given you that y = -5

that means,  3x + 6 × (-5) = -18

3x + -30 = -18

3x = -18 - (-30)

3x = 12

x = 4

4.

Like the 2. qestion, you first plus the 2 equation together,

+9y + -9y = 0

-7x + 4x = -3x

-19 + 10 = -9

than means

-3x = -9

x = 3

then put the x = 3 in one of the equation.

4 x 3 - 9y = 10

12 - 9y = 10

-9y = 10 - 12

-9y = -2

-7 x 3 + 9y = -19

-21 + 9y = -19

9y = -19 + 21

9y = 2

y = 2/9 or 0.2222222222...

Wish this could help you!

8 0
3 years ago
Read 2 more answers
Solve the equation by graphing. <br><br> ∣2x−8∣=∣x+5∣
AnnyKZ [126]

Answer:

Step-by-step explanation:

2x-8=x+5 (+8 both sides)

2x=x+13 (-1x both sides)

x=13

to graph draw a vertical line on 13.

5 0
3 years ago
Which equation represents a linear function?
olchik [2.2K]
The answer is equation 2
8 0
3 years ago
When a number is decreased by 20% of itself, the result is 20. What is the number?
nikitadnepr [17]
The number is 4 because 20% /100 =0.2. and then, 0.2× 20=4. that mean the number is 4.
7 0
3 years ago
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