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4 years ago

10

The sum of two numbers is 35. There times the larger number is the same as 4 times the smaller number. Find the larger number. W

hat the answer

1 answer:

marshall27 [118]4 years ago

4 0

35 = x + 4 -4
31 = x

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1/4 (84x - 100)=?<br><br>I can't solve it! please help me!

slamgirl [31]

The answer is 21x-25 because all you have to do is multiply the 1/4 by the 84x and then multiply 1//4 by negative 100. A simpler way of explaining this is just that you need to distribute

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3 years ago

Find two matrices A and B such that 2A-3B= [5 0

amm1812

The easy answer: If, say, B is the zero matrix, i.e.

$B=\begin{bmatrix}0&0\\0&0\end{bmatrix}$

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3 years ago

In January 2011 the rate of VAT increased from 17.5% to 20%

Sergio [31]

Answer:

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Step-by-step explanation:

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but According to question,

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So, Amount of tax becomes

So, Total price he has to pay is given by

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Hence, difference between in price of a car due to increase in VAT is $375.

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3 years ago

Is 3 greater than -2

dimaraw [331]

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3 years ago

Read 2 more answers

Evaluate the given integral by changing to polar coordinates. sin(x2 y2) dA R , where R is the region in the first quadrant betw

alexira [117]

Answer:

I = 1.47001

Step-by-step explanation:

we have the function

$f(x,y)=sin(x^2y^2)\\$

In polar coordinates we have

$x=rcos\theta\\y=rsin\theta$

and dA is given by

$dA=rdrd\theta$

Hence, the integral that we have to solve is

$I=\int \limt_2^4 \int \limit_0^{\pi /2}sin(r^4cos^2\theta sin^2\theta)rdrd\theta$

This integral can be solved in a convenient program of your choice (it is very difficult to solve in an analytical way, I use Wolfram Alpha on line)

I = 1.47001

Hope this helps!!!

7 0

3 years ago