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3 years ago

123+16 what is the anwer tell me

Mathematics

1 answer:

raketka [301]3 years ago

8 0

Answer:

Step-by-step explanation:

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Which graph represents the solution of the system?

NikAS [45]

Answer:

We can determine which image is correct by the second equation, only in one of the images the line is correct.

X-y=1

So x = 1+ y

If y is one x should be two.

Only in one image that is true, the third image.

3 0

3 years ago

A real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found tha

egoroff_w [7]

Answer:

Between 21 years and 75 years

Step-by-step explanation:

Given that a real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found that the mean age was 48 years old, with a standard deviation of 9 years.

X the ages of home buyers is N(48, 9)

a) $30\leq x\leq 66\\|x-48|\leq 18\\|x-48|\leq 2\sigma$

Hence using Cheby chev inequality

$P(|x-48|\leq 2\sigma)\geq 1-\frac{1}{2^2} \\=0.75$

b) $25.5\leq x\leq 70.5\\|x-48|\leq 22.5\\|x-48|\leq 1.5\sigma$

$P(|x-48|\leq 1.5\sigma)\geq 1-\frac{1}{1.5^2} \\=0.556$

c) Using normal distribution we have

$P(|x-48|\leq 2\sigma)=0.95$

d) z value is 2.97

Hence x lies between

$(48-9*2.97, 49+9*2.97)\\=(21.27,74.73)$

Between 21 years and 75 years

4 0

3 years ago

How much is 3 dimes and 4 pennies

lisov135 [29]

3 dimes= 30 cent

4 pennnies= 4

30+4= 34 cents

6 0

3 years ago

Read 2 more answers

Finding dilations geometry

cricket20 [7]

Answer:

3, 7

Step-by-step explanation:

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3 years ago

13/52 in simplest form

kogti [31]

13/52= 1/4 or .25
If you have a scientific calculator it really helps with simplifying numbers to the lowest term.

4 0

3 years ago