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3 years ago

3х + бу = 24 figure out x and y intercept

Mathematics

2 answers:

____ [38]3 years ago

6 0

Answer:

x int... (8,0)

y int... (0,4)

Step-by-step explanation:

valkas [14]3 years ago

3 0

Answer: i did this because it helps me better understand the intercepts so i thought it might help you too

y=-1/2x=4

Step-by-step explanation:

3x+6y=24

6y=-3x+24

divide by 6

y=-3/6x+4

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3x + 7 = -3x -2<br> How many solutions does this equation have

galina1969 [7]

This equation has one solution which is -1.5

3x+7=-3x-2
+2. +2
3x+9=-3x
-3x. -3x
9= -6x
/-6. /-6
X= -1.5

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2 years ago

Evaluate the integral by changing to polar coordinatesye^x dA, where R is in the first quadrant enclosed by the circle x^2+y^2=2

34kurt

$\displaystyle\iint_Rye^x\,\mathrm dA=\int_{\theta=0}^{\theta=\pi/2}\int_{r=0}^{r=5}r^2\sin\theta e^{r\cos\theta}\,\mathrm dr\,\mathrm d\theta$

which follows from the usual change of coordinates via

$\begin{cases}\mathbf x(r,\theta)=r\cos\theta\\\mathbf y(r,\theta)=r\sin\theta\end{cases}$

and Jacobian determinant

$|\det J|=\left|\begin{vmatrix}\mathbf x_r&\mathbf x_\theta\\\mathbf y_r&\mathbf y_\theta\end{vmatrix}\right|=|r|$

Swap the order, so that the integral is

$\displaystyle\int_{r=0}^{r=5}\int_{\theta=0}^{\theta=\pi/2}r^2\sin\theta e^{r\cos\theta}\,\mathrm d\theta\,\mathrm dr$

and now let $\sigma=r\cos\theta$ , so that $\mathrm d\sigma=-r\sin\theta$ . Now, you have

$\displaystyle\int_{r=0}^{r=5}\int_{\sigma=0}^{\sigma=r}re^\sigma\,\mathrm d\sigma\,\mathrm dr=\int_{r=0}^{r=5}r(e^r-1)\,\mathrm dr=4e^5-\dfrac{23}2$

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3 years ago

I Need An Answer Please ❤️

damaskus [11]

I would have to say 32,4 but i would double check it

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3 years ago

1000¥ (Japanese Yen) is equivalent to $8.00. A shirt costing 650¥ would cost how many dollars? *

erica [24]

Answer:

$5.20 (Have a good day)

Step-by-step explanation:

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2 years ago

Read 2 more answers

The 10,000-meter long-distance running event in the summer Olympics is approximately 6.2 miles. Which equation could be used to

Dima020 [189]

Answer:

t = 6.2/s miles/minute

Step-by-step explanation:

Average speed is defined as the rate of change in distance of a body. Mathematically; speed = Distance/Time

Given the distance of the runner in miles to be d = 6.2miles

Time taken = t

Average speed = s

To express t in terms of the average speed s and distance of 6.2miles, we will substitute the values into the formula;

s = D/t

Substituting D = 6.2miles into the formula;

s = 6.2/t

Cross multiply

St = 6.2

Divide both sides by 's'

st/s = 6.2/s

t = 6.2/s

Hence, the equation that could be used to determine the time, t, it takes to run 10,000 meters as a function of the average speed, s, of the runner where t is in minutes and s in miles per minute is t = 6.2/s miles/minute

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3 years ago