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3 years ago

Which of the following sets of numbers has the lowest mean?

Mathematics

1 answer:

ladessa [460]3 years ago

8 0

Answer:

set 2 has a mean of 22.125, far less than any of the other two.

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In the diagram of circle A, what is m∠LMN?

vagabundo [1.1K]

we know that

The measurement of <u>the external angle</u> is the semi-difference of the arcs which includes

m∠LMN= $\frac{1}{2}(270\°-90\°)=90\°$

therefore

the answer is $90\°$

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3 years ago

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For questions 1-3

umka2103 [35]

1) A 2) C 3) D

These are the answers

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luna has $50 when she got to the carnival. after 12 rides, she had $26. what was the price of each ride?

stellarik [79]

Answer:

Step-by-step explanation:

Lets see how much money she spent first.

$50 - $26 = $24

Now that we know she spent $24 we can divide 24 by twelve which will tell us how much each ride costs

24 / 12 = 2

She spent $2 on each ride

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3 years ago

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Write the standard equation of a circle with a center (2,-8) and radius 9

Anna11 [10]

The standard equation of a circle:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - center

r - radius

We have:

(2, -8) → h = 2, k = -8

r = 9

Substitute:

$(x-2)^2+(y-(-8))^2=9^2\\\\(x-2)^2+(y+8)^2=81$

6 0

3 years ago

What are the domain and range of f(x)=[1/5]x

Ber [7]

Answer:

Domain: All real numbers

$(-\infty,+\infty)$

Range: All real numbers

$(-\infty,+\infty)$

Step-by-step explanation:

The given function is $f(x)=\frac{1}{5}x$

This a polynomial function of degree 1.

Polynomial functions are continuous everywhere.

The function is therefore defined for all real values of $x$ .

The domain is $(-\infty,+\infty)$

If we let $y=\frac{x}{5}$

Then, $x=5y$ .

$x$ is also defined for all real values of $y$ , hence the range is also all real numbers or $(-\infty,+\infty)$

4 0

3 years ago