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2 years ago

PLS I NEED HELP PLSSSSSSSSSS

Mathematics

1 answer:

Oksana_A [137]2 years ago

7 0

3 cm I think I hope this helps

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Find the mean, median, a<br> 12, 13, 40, 95, 88, 7, 95

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Answer: The mean is 50.42. The Median is 40. The mode is 95

Step-by-step explanation:

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What is more accurate, mean or average? Explain why.

Airida [17]

It can be viewed different to what is more accurate depending on the relation of this question to another.

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Find the surface area of the cylinder in terms of x.

Alekssandra [29.7K]

Surface area in units of PI = 2 x r x h +2 x r^2

first picture:

r = 7, h = 18

2 x 7 x 18 + 2 x 7^2

252 + 98

350 PI cm^2

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2 x 9 x 20 +2 x 9^2

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If f(x) = x^2-1 which of the following ordered pairs would be on the graph of f(x)

Alex Ar [27]

These following ordered pairs are on the graph:

(0,1)
(5, 24)
(-2,3)

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An ordered pair (x, f(x)) will be on the graph if replacing them into the equation, we get an equivalence.

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The equation is:

$f(x) = x^2 - 1$

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

(0,1)

Here, we test $x = 0, f(x) = 1$

Replacing into the equation:

$1 = 0^2 - 1$

$1 = -1$

False, so not on the graph.

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

(0,1)

Here, we test $x = 1, f(x) = 0$

Replacing into the equation:

$0 = 1^2 - 1$

$0 = 0$

True, so on the graph.

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

(3,5)

Here, we test $x = 3, f(x) = 5$

Replacing into the equation:

$5 = 3^2 - 1$

$5 = 8$

False, so not on the graph.

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

(5,24)

Here, we test $x = 5, f(x) = 24$

Replacing into the equation:

$24 = 5^2 - 1$

$24 = 24$

True, so on the graph.

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

(-2,3)

Here, we test $x = -2, f(x) = 3$

Replacing into the equation:

$3 = (-2)^2 - 1$

$3 = 3$

True, so on the graph.

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

(-4,-17)

Here, we test $x = -4, f(x) = -17$

Replacing into the equation:

$-17 = (-4)^2 - 1$

$-17 = 15$

False, so not on the graph.

A similar question is given at brainly.com/question/2102317

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A pizzeria is 11 blocks due east from the town center. Emily is 4 blocks away from the pizzeria. Which statement could correctly

Andrews [41]

C emily is 7 blocks due west from the town center :) hope its right

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3 years ago