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Softa [21]
4 years ago
12

Hungary Hank uses 7 scrambled eggs to make 4 breakfast burritos. How many breakfast burritos does he make with 21 scrambled eggs

?
Mathematics
2 answers:
ser-zykov [4K]4 years ago
5 0
12

7 x 3 = 21
4 x 3 = 12
zzz [600]4 years ago
3 0
4x3 is 12 so the the answer is 12
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(3x^3 - x^2 - 48x + 16)/(3x - 1)
pantera1 [17]

Answer:

x^2-16

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
14:6=28:18<br><br> 42:7=6:2<br><br> 2:3=3:2<br><br> 3:5=12:20
SIZIF [17.4K]
Answer is <span>3:5=12:20

3x4 = 12
5x4 = 20

so 
</span><span>3:5=12:20</span>
4 0
4 years ago
If c is the line segment connecting (x1,y1) to (x2,y2), show that the line integral of xdy-ydx=x1y2-x2y1......this is in a chapt
MatroZZZ [7]
Green's theorem doesn't really apply here. GT relates the line integral over some *closed* connected contour that bounds some region (like a circular path that serves as the boundary to a disk). A line segment doesn't form a region since it's completely one-dimensional.

At any rate, we can still compute the line integral just fine. It's just that GT is irrelevant.

We parameterize the line segment by

\mathbf r(t)=\langle x_1,y_1\rangle(1-t)+\langle x_2,y_2\rangle t
\implies\mathbf r(t)=\langle x_1+(x_2-x_1)t,y_1+(y_2-y_1)t\rangle

with 0\le t\le1. Then we find the differential:

\mathbf r(t)\equiv\langle x,y\rangle=\langle x_1+(x_2-x_1)t,y_1+(y_2-y_1)t\rangle
\implies\mathrm d\mathbf r\equiv\langle\mathrm dx,\mathrm dy\rangle=\langle x_2-x_1,y_2-y_1\rangle\,\mathrm dt

with 0\le t\le1.

Here, the line integral is

\displaystyle\int_{\mathcal C}x\,\mathrm dy-y\,\mathrm dx=\int_{\mathcal C}\langle-y,x\rangle\cdot\langle\mathrm dx,\mathrm dy\rangle
=\displaystyle\int_{t=0}^{t=1}\langle-y_1-(y_2-y_1)t,x_1+(x_2-x_1)t\rangle\cdot\langle x_2-x_1,y_2-y_1\rangle\,\mathrm dt
=\displaystyle\int_{t=0}^{t=1}(x_1y_2-x_2y_1)\,\mathrm dt
=(x_1y_2-x_2y_1)\displaystyle\int_{t=0}^{t=1}\,\mathrm dt
=x_1y_2-x_2y_1

as required.
4 0
4 years ago
How do I set up this equation and solve ?
vovangra [49]

angles in a triangle need to equal 180 degrees

 so x = 180 - 47 - 58

x = 180-105

 x= 75 degrees

4 0
4 years ago
PLEASE HELP! Exam is at 9:15 am!!! A bicyclist pedals a bicycle at 40 revolutions per minute resulting in a speed of 7 mile per
nekit [7.7K]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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