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3 years ago

A toddler section of a pool mesures 7 feet by 8 feet. What is area of the toddler section

Mathematics

1 answer:

borishaifa [10]3 years ago

5 0

Answer:

56 ft^2

Step-by-step explanation:

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Find the integration of (1-cos2x)/(1+cos2x)

slega [8]

Given:

The expression is:

$\dfrac{1-\cos 2x}{1+\cos 2x}$

To find:

The integration of the given expression.

Solution:

We need to find the integration of $\dfrac{1-\cos 2x}{1+\cos 2x}$ .

Let us consider,

$I=\int \dfrac{1-\cos 2x}{1+\cos 2x}dx$

$I=\int \dfrac{2\sin^2x}{2\cos^2x}dx$ $[\because 1+\cos 2x=2\cos^2x,1-\cos 2x=2\sin^2x]$

$I=\int \dfrac{\sin^2x}{\cos^2x}dx$

$I=\int \tan^2xdx$ $\left[\because \tan \theta =\dfrac{\sin \theta}{\cos \theta}\right]$

It can be written as:

$I=\int (\sec^2x-1)dx$ $[\because 1+\tan^2 \theta =\sec^2 \theta]$

$I=\int \sec^2xdx-\int 1dx$

$I=\tan x-x+C$

Therefore, the integration of $\dfrac{1-\cos 2x}{1+\cos 2x}$ is $I=\tan x-x+C$ .

8 0

2 years ago

Function form 8x + 4y =20

balandron [24]

8x + 4y = 20

4y = 20 - 8x

y = 5 - 2x

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2 years ago

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Yvonne is interested in testing the effectiveness of a new flea medication on dogs, so she divided some dogs with fleas into two

meriva

Actually, the real answer is "NO, BECAUSE GROUP B SHOULD BE THE CONTROL GROUP". Since Yvonne gave the flea medication to the group A, and we need a control group. If you don't know what it's the control group, it's the group that they don't put the experiment on, just to see if the group(s) being experimented, had any positive or negative changes. In a short summary they need group B to stay like they are to compare it to the experimented group (group A)

Good Luck!

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2 years ago

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You think that $39,500 is a good salary and are interested in a job with Fast Pax. What other information might you want to know

marin [14]

It is best to know whether the Fast Pax $39,500 salary is a gross salary or a net salary to make sure the amount you will get by working there. A net salary is a total amount of salary and benefits that you will get by working in a company and A gross salary is the amount of the salary only excluding the other benefits. These terms are important for employees to consider

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2 years ago

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Maru [420]

Answer:

4x^2 +3x -7

Step-by-step explanation:

(4x^2 – 2x) + (5x - 7)

Combine like terms

4x^2 -2x+5x -7

4x^2 +3x -7

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2 years ago

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