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dem82 [27]
3 years ago
8

Select the equation has no solution. A) 2x + 17 - 7x - 6 = 8 - 10x - 19 + 5x B) 7 + 16x + 1 - 4x = 24 + 8x - 9 + 3x C) 9x - 3 +

2x + 20 = 15 + 4x + 2 + 7x D) 12 - 6x + 4 - x = 3 + 8x + 13 - 11x
Mathematics
2 answers:
AlexFokin [52]3 years ago
8 0
These problems really aren't hard just set them equal to each other and see if what they are saying is true. Are they equal? Do they both equal 0?

lana66690 [7]3 years ago
5 0

Answer:

All of the answers except A have solutions. So Answer A has no solution.

Step-by-step explanation:

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Help pls i don’t know how to do this
Vlada [557]

Answer:

m∠1= 79

Step-by-step explanation:

What we have here is two vertical lines and one intersecting point.

The m∠1 and m∠6 are vertical angles, which means that they equal to each other. So, the equation would be: 6x+25= 10x-11.

Step 1- Subtract 6x to both sides.

6x+25= 10x-11

-6x        -6x

25= 4x-11

Step 2- Add 11 to both sides.

25= 4x-11

+11       +11

36= 4x

Step 3- Divide both sides by 4.

<u>36</u>= <u>4x</u>

4     4

x= 9

Now that we know the value of the variable x, substitute it into the equation for m∠1.

m∠1= 10(9)-11

m∠1= 90-11

m∠= 79

<u>Check            </u>

m∠6= 6(9)+25

m∠6= 54+25

m∠6= 79

Since m∠1 and m∠6 are vertical angles, they should equal each other.

4 0
3 years ago
Evaluate ba−1.2 when a=4 and b=12.
sergeinik [125]

Answer:

46.8

Step-by-step explanation:

3 0
2 years ago
Suppose that 16 inches of wire cost 80 cents.
Karolina [17]

Answer:

11 inches

Step-by-step explanation:

you can cross multiply

inches cents

16 80

x 55

16×55 = 80x

80x= 880

x= 880/80

×= 11 inches

7 0
2 years ago
Read 2 more answers
26/57 = 849/5x [x = 372.25
Hitman42 [59]
If not the answer that I got is 26/57 = [849 x(x= 372.25)]/5
3 0
3 years ago
Will give brainliest<br> 4 × 10^-5
sesenic [268]

Step-by-step explanation:

9 4/5. Step-by-step explanation: 7 1/2 + 2 3/10 = 9 8/10 = 9 4/5. klondikegj and 1 more users found this answer helpful. Thanks 1.

8 0
2 years ago
Read 2 more answers
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