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3 years ago

Fourteen of the 100

Mathematics

1 answer:

ra1l [238]3 years ago

4 0

Answer:

0.14

Step-by-step explanation:

Fourteen of the 100 digital video recorders (DVRs) in an inventory are known to be defective. It means that the probability that a randomly selected item is defective is: $\frac{14}{100} = 0.14$ .

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7th grade math help me pleaseee :)

Gemiola [76]

Answer:

A. A + B (it'll be negative because they're both negative numbers and adding a negative is the same as subtracting a positive)

B. B - A ( It'll be positive because subtracting a negative is the same as adding a positive, and B is closer to 0 so it's a "bigger" number than A. so, adding A to B will make it positive)

Step-by-step explanation:

The explanations are in parenthesis to the right of the answer. they're kind of confusing, but the answers are correct.

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3 years ago

Find the integral ∫(cos(1/x)) /x^2 dx

melisa1 [442]

Answer:

Step-by-step explanation:

∫(cos(1/x)/x² dx

$put~\frac{1}{x} =t\\diff.\\\frac{-1}{x^2} dx=dt\\\int(- cos~t~)dt=-sin~t+c\\=-sin (\frac{1}{x} )+c$

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2 years ago

Is this correct 1 problem 15 POINTS

Ne4ueva [31]

After plugging in three numbers for x, its safe to say that the most logical answer would be the last one

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4 years ago

Read 2 more answers

A ____ is when a parent function experiences either movement or alteration.

Oxana [17]

Answer:

transformation

Step-by-step explanation:

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3 years ago

Find the axis of symmetry and the vertex of the equation below. n^2+ 6n = 0

IrinaK [193]

Answer:

axis of symmerty = x coordinate of vertex = -b/2a

-6/2 = -3 = x

vertex = (-3,y)

-3^2 +6(-3)

9-18 = -9 = y

(-3,-9) = vertex

Step-by-step explanation:

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3 years ago