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charle [14.2K]
3 years ago
11

Which statement is true? Q A) |13| = – 13 B) – |–13| = 13 C) |–13| = 13 D) – |13| = 13

Mathematics
1 answer:
Svetach [21]3 years ago
7 0

Answer:

C

Step-by-step explanation:

The absolute value of |13| and |-13| is always 13. It never goes negative unless there is a minus sign outside the <u>absolute</u> value |  |   symbol. A is wrong

B: Not correct. Read the explanation for A. The answer to B is - 13

C: Correct. See the remark the was made about A

D: Incorrect as well. The minus is outside the absolute value symbol. The answer is - 13

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X + 2y = 10
Crazy boy [7]

Answer:

(-12,11)

Step-by-step explanation:

x + 2y = 10

3x + 4y = 8

(-2)x + (-2)2y = (-2)10

3x    + 4y       = 8

-2x - 4y = -20

3x  + 4y = 8

Add to eliminate:

x = -12

Substitute x to solve y:

x + 2y = 10

(-12) + 2y = 10

-12 + 2y = 10

2y = 10 + 12

2y = 22

y = 22 ÷ 2

y = 11

Check:

x + 2y = 10

(-12) + 2(11) = 10

-12 + 22 = 10

10 = 10

8 0
3 years ago
Read 2 more answers
Divide $1.30 by 8 and round the quotient to the neatest cent.
jasenka [17]

Answer:

1.30/8 = 0.1625

rounded to nearest cent: 0.2?

Step-by-step explanation:

5 0
4 years ago
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How do you solve the and check equation 15=2+4=d
allochka39001 [22]
Here is the work and the answer (D=7

4 0
3 years ago
Show work please thank you
Alenkinab [10]
Hey there!:)

b1+b2
--------- x h =area 
2

(3+5)/2h=area

8/2h=area

4(2)=area
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8 0
3 years ago
What is the answer to 12x+6=18-48-9x
Mariana [72]
12x +6 = 18 - 48 - 9x
-9x. -9x
3x +6 =18-48
-6. -6
3x = 18 -48-6
3x = -36
/3. /3
X= -12


Answer x=-12
3 0
3 years ago
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