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zlopas [31]
2 years ago
10

How many solutions does 9x+5=9x+7

Mathematics
2 answers:
zhenek [66]2 years ago
8 0

Answer:

0

Step-by-step explanation:

If we try to solve this question, we get no solutions:

First we subtract 5 from both sides :

9x = 9x + 2

Now we subtract 9x from both sides :

0 = 0 +2

0 = 2 ❌

This is why this equation has no solutions

Hope this helped and have a good day

Troyanec [42]2 years ago
3 0

Answer:

There are 0 solutions to this problem because it cannot be re-arranged logically enough to come to a new conclusion.

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AnnyKZ [126]

Answer:

Yeah and i don't know how to answer that sorry

Step-by-step explanation:

you can't look it up some how?

8 0
3 years ago
the original price of the cell phone luc wants to buy 150 the phone is now on sale for $100 what is the percent phone discount
Ronch [10]

150-100 = 50

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8 0
3 years ago
Helppp Plsss Asap!!! Thanks​
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Answer:

3

Step-by-step explanation:

The average rate of change is

f(x2) - f(x1)

-----------------

x2-x1

We want to find the change from 1 to 3

f(3) = 8

f(1) = 2

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----------------- = ------------ = ---- = 3

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3 years ago
the batting average is the ratio of the number of hits to the number at bats. a baseball player with 522 at bats need how many h
Paul [167]
Batting average= hits/bats
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7 0
3 years ago
Suppose a certain species of fawns between 1 and 5 months old have a body weight that is approximately normally distributed with
Crank

Answer:

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the weights of a population, and for this case we know the distribution for X is given by:

X \sim N(26,4.2)  

Where \mu=26 and \sigma=4.2

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(X

4 0
3 years ago
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