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atroni [7]
3 years ago
5

What is -x+y +2x+y ?

Mathematics
2 answers:
Trava [24]3 years ago
7 0

The answer would be: x+2y

First, combine the like terms.

-x and 2x

Now your equation looks like this:

x+y+y

Now combine the y like terms.

y and y and you get 2y

Then you are left with your answer: x+2y

Hope this helps! :3

mr Goodwill [35]3 years ago
6 0

Answer:

x + 2y

Step-by-step explanation:

Firstly, you collect like terms:

2x - x + y + y = 1x + 2y or x + 2y

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A storm moves at a rate of 8 miles per hour. It is 200 miles away from Freeport and headed directly for this town. The equation
Eduardwww [97]

Pls see answer below.

Step-by-step explanation:

In this case, our slope is -8. This means that every hour, the storm is getting closer to the town by 8 miles per hour.

Our y-intercept is 200, which means that its' initial position is 200 miles away from the town.

Hope this helped.

7 0
2 years ago
A sample of 32 observations is taken from an infinite population. The sampling distribution of a.is approximately normal because
Vanyuwa [196]

Answer:

a.is approximately normal because of the central limit theorem.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Sample limit of 32 > 30, so the distribution is approximately normal because of the central limit theorem, and the correct answer is given by option a.

7 0
3 years ago
PLLLLLLEEEEAAAAAAASSSSSSEEEEEE HEEELLLLLPPPPPP
uysha [10]
1.-5*2+10=0 : this is the answer

2. 1-5(7)=-34 =/= 4
1-10=-9 =/= 1
-4(7)+3=-25 =/= 1
-7+8=1 : this is the answer

3. the slope is \frac{-10-(-5)}{-9-(-2)}= \frac{5}{7}. Answer C
8 0
2 years ago
Read 2 more answers
Mr.Young has 30 times as many pencils as Jack.The whole school has 200 times as many pencils Jack.If Jack has 2 pencils,how many
Alexus [3.1K]
200x2=400
the school has 400 pencils
7 0
3 years ago
Read 2 more answers
Which graph is a function of x​
timurjin [86]

Answer:

the answer is the 2nd one the one with the v shape

Step-by-step explanation:

if you do the vertical line test which is just drawing a vertical line through the line and it intersect the line twice than it is NOT functional

(i think i do not know D:)

5 0
2 years ago
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