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adell [148]
3 years ago
10

Which phrase represents the algebraic expression for n – 4? A. The quotient of a number and four. B. Four less than a number. C.

Four minus a number. D. Four more than a number.
Mathematics
1 answer:
prisoha [69]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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How to make a negative mixed number into an improper fraction?
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Forget about the minus sign until you're done, then slap it back on.

-1 1/2 = -(1 1/2) = -(3/2) = -3/2
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3 years ago
How do you do this problem?
Vadim26 [7]

Answer:

Your answer is absolutely correct

Step-by-step explanation:

The work would be as follows:

\int _0^{\sqrt{\pi }}4x^3\cos \left(x^2\right)dx,\\\\\mathrm{Take\:the\:constant\:out}:\quad \int a\cdot f\left(x\right)dx=a\cdot \int f\left(x\right)dx\\=> 4\cdot \int _0^{\sqrt{\pi }}x^3\cos \left(x^2\right)dx\\\\\mathrm{Apply\:u-substitution:}\:u=x^2\\=> 4\cdot \int _0^{\pi }\frac{u\cos \left(u\right)}{2}du\\\\\mathrm{Apply\:Integration\:By\:Parts:}\:u=u,\:v'=\cos \left(u\right)\\=> 4\cdot \frac{1}{2}\left[u\sin \left(u\right)-\int \sin \left(u\right)du\right]^{\pi }_0\\\\

\int \sin \left(u\right)du=-\cos \left(u\right)\\=> 4\cdot \frac{1}{2}\left[u\sin \left(u\right)-\left(-\cos \left(u\right)\right)\right]^{\pi }_0\\\\\mathrm{Simplify\:}4\cdot \frac{1}{2}\left[u\sin \left(u\right)-\left(-\cos \left(u\right)\right)\right]^{\pi }_0:\quad 2\left[u\sin \left(u\right)+\cos \left(u\right)\right]^{\pi }_0\\\\\mathrm{Compute\:the\:boundaries}:\quad \left[u\sin \left(u\right)+\cos \left(u\right)\right]^{\pi }_0=-2\\=> 2(-2) = - 4

Hence proved that your solution is accurate.

3 0
4 years ago
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If I have a triangle with the measurements of 5ft, 16ft, and 8ft, which ones are the base and height. Why are they the base and
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Base is always the number on the bottom. Height is always the line in the middle of the triangle unless the triangle is a right angle (90 degree triangle) and if it is, the number on the side is the height. Here's a picture of it:

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Sketch the graph of the function by (a) applying the Leading Coefficient Test, (b) finding the zeros of the polynomial, (c) plot
pshichka [43]

Answer:

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Step-by-step explanation:

If its C I'm sorry That seems correct but I don't know for sure, just my advice!

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Need help in math will give brain if right
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Answer:

c)

Step-by-step explanation:

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