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uranmaximum [27]
3 years ago
9

-8Q+6+30-1 Help plz and please explain how

Mathematics
2 answers:
nadya68 [22]3 years ago
8 0

This is just an expression. It's not an equation, so there's nothing to solve for.

The only thing you can do here is add like terms:

-8Q+6+30-1 = -8Q+(6+30-1)=-8Q+35

Viefleur [7K]3 years ago
4 0

Answer:

-8Q+6+30-1

-8Q+36-1

-8Q+35

Step-by-step explanation:

-8Q cannot combine with 6, 30, or -1

when someone says "combine like terms," they mean that if a number has a letter with it and another number does not have a letter or has a different letter, then the first term cannot combine with the second

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Which table of ordered pairs represents a proportional relationship?
grin007 [14]

Answer:

It is the second one

Step-by-step explanation:

A proportional relationship happens when you get the same answer every time that you divide the y by the x.

(2,10) (4,20) (6,30)

10/2 = 5

20/4 = 5

30/6 = 5

That is not true for the other tables.

7 0
1 year ago
Use the equation 1/2 (x - 4) = 1/3x + 2
Anon25 [30]

Answer:

1/2(x-4)= 1/3x+2

6x1/2(x-4)=6x1/3x+2x6

3(x-4)=2x+12

3x-12=2x+12

3x-2x=12+12

x=24

5 0
3 years ago
Read 2 more answers
A score that is three standard deviations above the mean would have a z score of
tia_tia [17]

The value of z-score for a score that is three standard deviations above the mean is 3.

In this question,

A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.

Let x be the score

let μ be the mean and

let σ be the standard deviations

Now, x =  μ + 3σ

The formula of z-score is

z_{score} = \frac{x-\mu}{\sigma}

⇒ z_{score} = \frac{\mu + 3\sigma -\mu}{\sigma}

⇒ z_{score} = \frac{ 3\sigma }{\sigma}

⇒ z_{score} = 3

Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.

Learn more about z-score here

brainly.com/question/13448290

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6 0
2 years ago
Need help please help me # 32
Simora [160]
Number 2 will have the highest percent in sales

4 0
2 years ago
46 + (-2k) a. for k =3 b.for k = 23 k = -2
mamaluj [8]

9514 1404 393

Answer:

  a.  40

  b.  0

  c.  50

Step-by-step explanation:

a) 46 + (-2k) for k = 3 is ...

  46 + (-2(3)) = 46 -6 = 40

__

b) 46 + (-2k) for k = 23 is ...

  46 + (-2(23)) = 46 -46 = 0

__

c) 46 + (-2k) for k = -2 is ...

  46 + (-2(-2)) = 46 +4 = 50

3 0
2 years ago
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