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vredina [299]
3 years ago
6

How do u show work for this problem

Mathematics
2 answers:
Troyanec [42]3 years ago
7 0

Answer:

im not seeing the problem...

damaskus [11]3 years ago
3 0
Just show how you dived the equation and found the X
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The sum of three numbers is 97. The third number is 2 times the second. The second number is 9 less than the first. What are the
inn [45]

Answer:

The numbers are 26.5, 53 and 17.5.

Step-by-step explanation:

97=x+(x-9)+2x

97+9=4x

106/4=4x/4

x= 26.5

x-9 = 17.5

2x= 53

8 0
3 years ago
3. use the law of exponents to evaluate (1/x) ^ -n when x= 7 and n= 2
emmainna [20.7K]
D on both ...................
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3 years ago
Suppose the selling price of homes is skewed right with a mean of 350,000 and a standard deviation of 160000 If we record the se
lys-0071 [83]

Answer:

The distribution will be approximately normal, with mean 350,000 and standard deviation 25,298.

Step-by-step explanation:

The Central Limit Theorem estabilishes 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.

Population:

Suppose the selling price of homes is skewed right with a mean of 350,000 and a standard deviation of 160000

Sample of 40

Shape approximately normal

Mean 350000

Standard deviation s = \frac{160000}{\sqrt{40}} = 25298

The distribution will be approximately normal, with mean 350,000 and standard deviation 25,298.

5 0
3 years ago
Read 2 more answers
Which equation is equivalent to (1/3)x=27x+2?
erma4kov [3.2K]
I hope this helps you


x=3. (27x+2)

x=81x+6

80x=-6

x=-3/40
7 0
2 years ago
Read 2 more answers
The price of an item has been reduced by 85% . The original price was $45. What is the price of the item now.
Kobotan [32]

Answer:the price for the item now it's 6.75


Step-by-step explanation:

Origin price is 45=100% after reduction comes to 85% =x

X stands for the unknown value of the reduction therefore

45=100%

X=85%

45*.85=100x


After calculation you realised the value of x reduction value it's 38.25


Hence, original price is 45 your less from the value reduced 38.25 therefore the value of the item is 6.75

3 0
3 years ago
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