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2 years ago

Help me Asap!! please

Mathematics

1 answer:

UkoKoshka [18]2 years ago

3 0

Answer:

I believe the perimeter is 90 and the area is 300sqft

Step-by-step explanation:

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What’s 9+10? (I will give Brainliest!)

Allushta [10]

Answer:

Step-by-step explanation:

9+10 is 19

Brainliest pls

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2 years ago

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Hey can anybody give me a teachers answer key on dis lessons

KATRIN_1 [288]

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3 years ago

Que is on pic.i can't able to type in text.

ad-work [718]

It's not difficult to compute the values of $A$ and $B$ directly:

$A=\displaystyle\int_1^{\sin\theta}\frac{\mathrm dt}{1+t^2}=\tan^{-1}t\bigg|_{t=1}^{t=\sin\theta}$
$A=\tan^{-1}(\sin\theta)-\dfrac\pi4$

$B=\displaystyle\int_1^{\csc\theta}\frac{\mathrm dt}{t(1+t^2)}=\int_1^{\csc\theta}\left(\frac1t-\frac t{1+t^2}\right)\,\mathrm dt$
$B=\left(\ln|t|-\dfrac12\ln|1+t^2|\right)\bigg|_{t=1}^{t=\csc\theta}$
$B=\ln\left|\dfrac{\csc\theta}{\sqrt{1+\csc^2\theta}}\right|+\dfrac12\ln2$

Let's assume $0$ , so that $|\csc\theta|=\csc\theta$ .

Now,

$\Delta=\begin{vmatrix}A&A^2&B\\e^{A+B}&B^2&-1\\1&A^2+B^2&-1\end{vmatrix}$
$\Delta=A\begin{vmatrix}B^2&-1\\A^2+B^2&-1\end{vmatrix}-e^{A+B}\begin{vmatrix}A^2&B\\A^2+B^2&-1\end{vmatrix}+\begin{vmatrix}A^2&B\\B^2&-1\end{vmatrix}$
$\Delta=A(-B^2+A^2+B^2)-e^{A+B}(-A^2-A^2B-B^3)+(-A^2-B^3)$
$\Delta=A^3-A^2-B^3+e^{A+B}(A^2+A^2B+B^3)$

There doesn't seem to be anything interesting about this result... But all that's left to do is plug in $A$ and $B$ .

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2 years ago

he coordinates below are the three vertices of a rectangle. Identify the fourth coordinate and the area of the rectangle. A coor

Paraphin [41]

Answer:

The answer is 7,2

Step-by-step explanation:

All of the numbers are different like possitive, negitive. and negitive, negitive along with negitive, possitive leaving us left with possitive, possitive and if you look on a coordinate plane you can make a rectangle with all of these coordinates put together. Hope this helps! :D

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3 years ago

After 3 months on a diet, Lisa had lost 12% of her original weight. She lost 21 lb. What was Lisa's original weight?

AlekseyPX

Answer:

175lb

Step-by-step explanation:

Let's say 100% - original weight

and 12% - 21lb

weight = (100*21)/12=175lb

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