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Citrus2011 [14]

2 years ago

8

I need help with this

2 answers:

zaharov [31]2 years ago

7 0

Yes it’s a rectangle because the diagonals bisect each other, and they are equal in length.

ASHA 777 [7]2 years ago

6 0

Yes, it’s a rectangle.

A rectangle is a four-sided flat shape where every angle is a right angle (90°). Opposite sides are parallel and of equal length (so it is a Parallelogram).

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36 for 4 baseball hats ;56 for 7 baseball hats are they equivalent

Akimi4 [234]

No, they're not equivalent....... i suggest a calculator for this kind of math, just divide the first number by the last and compare them, like this 36/4=9, 56/7=8

the first one is $9 per hat, and the second one is $8 per hat

6 0

3 years ago

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Jacob says the following is not a function:

lana66690 [7]

Answer:

he is not correct cuz none of the x factors repeat :)

6 0

2 years ago

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Differentiate x^2 e^x logx

zimovet [89]

Product rule:

$\dfrac{\mathrm d}{\mathrm dx}(x^2e^x\log x)$

$=\dfrac{\mathrm d(x^2)}{\mathrm dx}e^x\log x+x^2\dfrac{\mathrm d(e^x)}{\mathrm dx}\log x+x^2e^x\dfrac{\mathrm d(\log x)}{\mathrm dx}$

Power rule:

$\dfrac{\mathrm d(x^2)}{\mathrm dx}=2x$

The exponential function is its own derivative:

$\dfrac{\mathrm d(e^x)}{\mathrm dx}=e^x$

Assuming the base of $\log x$ is $e$ , its derivative is

$\dfrac{\mathrm d(\log x)}{\mathrm dx}=\dfrac1x$

But if you mean a logarithm of arbitrary base $b$ , we have

$y=\log_bx\implies x=b^y=e^{y\ln b}\implies1=e^{y\ln b}\ln b\dfrac{\mathrm dy}{\mathrm dx}$

$\implies\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{e^{-y\ln b}}{\ln b}=\dfrac1{b^y\ln b}$

$\implies\dfrac{\mathrm d(\log_bx)}{\mathrm dx}=\dfrac1{x\ln b}$

So we end up with

$2xe^x\log x+x^2e^x\log x+\dfrac{x^2e^x}x$

$=xe^x(2\log x+x\log x+1)$

8 0

3 years ago

Plz answer asap im goin broke her

Nutka1998 [239]

Answer:

drraaaaaa wild'n out boiii

Step-by-step explanation:

4 0

3 years ago

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Plz help!!! Don’t understand

Butoxors [25]

Answer:it is no solution because the two lines don’t touch which means you can’t have points.

Step-by-step explanation:

3 0

3 years ago

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