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Archy [21]
3 years ago
13

Find the values of x and y.

Mathematics
2 answers:
Nesterboy [21]3 years ago
3 0
X=100°

y=180°-100°-50°
=30°
Paul [167]3 years ago
3 0

x=100

and y=50

u should have guessed that it's on the picture


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Today an exercise equipment store took 15% off the price of a treadmill, and for the next 2 days, it will take 15% off the previ
padilas [110]
To find the price of the treadmill, you can calculate the amount you will pay after each day and then multiply by the percentage that you will pay for each additional day.

You should use 85% (100% - 15%) as the part you will pay for a quicker calculation.

$4000 x 0.85 = $3400 (after the first day)
$3400 x 0.85 = $2890 (after the second day)
$2890 x 0.85 = $2456.50 (after third day)

<span>If the price of the treadmill yesterday was $4000, what will be the price of the treadmill 2 days from now?  I interpreted this as the discount would be applied for 3 days.</span>
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3 years ago
Four veterinarians at an animal clinic were surveyed about the type of animals they had seen as patients in a particular week. T
nikitadnepr [17]

Answer:

28.125%

Nearest whole percent: 28%

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54/192 = .28125

move decimal to the right (two times)

28.125%

6 0
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∫∫(x+y)dxdy ,d là miền giới hạn bởi x²+y²=1
igor_vitrenko [27]

It looks like you want to compute the double integral

\displaystyle \iint_D (x+y) \,\mathrm dx\,\mathrm dy

over the region <em>D</em> with the unit circle <em>x</em> ² + <em>y</em> ² = 1 as its boundary.

Convert to polar coordinates, in which <em>D</em> is given by the set

<em>D</em> = {(<em>r</em>, <em>θ</em>) : 0 ≤ <em>r</em> ≤ 1 and 0 ≤ <em>θ</em> ≤ 2<em>π</em>}

and

<em>x</em> = <em>r</em> cos(<em>θ</em>)

<em>y</em> = <em>r</em> sin(<em>θ</em>)

d<em>x</em> d<em>y</em> = <em>r</em> d<em>r</em> d<em>θ</em>

Then the integral is

\displaystyle \iint_D (x+y)\,\mathrm dx\,\mathrm dy = \iint_D r^2(\cos(\theta)+\sin(\theta))\,\mathrm dr\,\mathrm d\theta \\\\ = \int_0^{2\pi} \int_0^1 r^2(\cos(\theta)+\sin(\theta))\,\mathrm dr\,\mathrm d\theta \\\\ = \underbrace{\left( \int_0^{2\pi}(\cos(\theta)+\sin(\theta))\,\mathrm d\theta \right)}_{\int = 0} \left( \int_0^1 r^2\,\mathrm dr \right) = \boxed{0}

3 0
3 years ago
How to graph -7/2x-5. with a picture please.
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I recommend using desmos if you wanna know what a graph looks like !

7 0
3 years ago
Please help me answer this i need asap
damaskus [11]

Answer:24 xexponet 3 − 5

Step-by-step explanation:

4 0
3 years ago
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