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oksano4ka [1.4K]
2 years ago
5

HELP PLEASE! Write an equation with variables on both sides that has a single solution "-1." Explain how to find that solution

Mathematics
2 answers:
Inessa05 [86]2 years ago
8 0

ANSWER : HEY MATE

Art [367]2 years ago
3 0
Can be like that? The answer will be always -1 because of the negative number in the secon term

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There are 6 minutes of commercials for every 24 minutes of television how many minutes of commercials are there in 1 hour and 36
topjm [15]
I think it is 16, I hope this helped
8 0
3 years ago
Can someone please please help me
velikii [3]

Answer:

  order: 2, 3, 1

Step-by-step explanation:

Reasonableness checks and your knowledge of integers and fractions will help you solve this. The offered questions are intended to help you think this through.

<h3>a.</h3>

For an output of -31, the machine (x -2)² cannot possibly be last. Its output can only be positive.

  machine 2, (x-2)², cannot be last

Also, machine 3 cannot be last. For the output to be -31, the input to machine 3 must be -1/31. Neither of the other machines can produce a fraction with the inputs they might receive.

<h3>b.</h3>

For an input of x=0, the machine 1/x cannot possibly be first. 1/0 is undefined.

The other two machines will give the following outputs for an input of 0:

  machine 1: 4(0) -32 = -32

  machine 2: (0 -2)² = 4

It is unlikely that machine 1 will be first, because the other two machines cannot do anything useful with -32 as an input.

  machine 3, 1/x, cannot be first

<h3>c.</h3>

The reasoning of part (a) tells you the last machine must be machine 1. The reasoning of part (b) tells you the first machine cannot be 3, so must be 2. The order of the machines must be ...

  • machine 2: (0 -2)² = 4 . . . . . . . using an input of 0
  • machine 3: 1/4 = 1/4
  • machine 1: 4(1/4) -32 = -31 . . . . desired output
7 0
1 year ago
Which statement best expresses the revenue (r) for selling (n) tickets at $5.00 each?
zhenek [66]
R = 5n <=== ur expression

lets say there were 10 tickets sold......n = 10
ur revenue (r) would be :
R = 5(10)
R = 50
5 0
3 years ago
Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR.
Vinvika [58]

Answer:

2x + y - 1 = 0

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

x - 2y + 4 = 0 ( subtract x + 4 from both sides )

- 2y = - x - 4 ( divide all terms by - 2 )

y = \frac{1}{2} x + 2 ← in slope- intercept form

with slope m =  \frac{1}{2}

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{\frac{1}{2} } = - 2 , thus

y = - 2x + c ← is the partial equation of the perpendicular line

To find c substitute (1, - 1) into the partial equation

- 1 = - 2 + c ⇒ c = - 1 + 2 = 1

y = - 2x + 1 ← in slope intercept form

Subtract - 2x + 1 from both sides

2x + y - 1 = 0 ← in general form

5 0
3 years ago
Henry wrote 4z² - z² as 4. Are 4z² - z² and 4 equivalent expressions?
Lelechka [254]
No, a lone variable has an invisible one in front of it, So 4z (can’t put the top number sorry) So 4z - z would equal 3z
7 0
3 years ago
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