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murzikaleks [220]

3 years ago

13

What is the equation of the line in slope intercept form? if its in points (-2 , 8) (1 , 2) A. -2x-y=-4 B. y=2x-4 C. 2x+y=4 D. y

= -2x+4

1 answer:

LekaFEV [45]3 years ago

6 0

The answer is y=-2x+4. The y-intercept is (0,4) and the slope is -2.

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Let C = C1 + C2 where C1 is the quarter circle x^2+y^2=4, z=0,from (0,2,0) to (2,0,0), and where C2 is the line segment from (2,

trapecia [35]

Not much can be done without knowing what $\mathbf F(x,y,z)$ is, but at the least we can set up the integral.

First parameterize the pieces of the contour:

$C_1:\mathbf r_1(t_1)=(2\sin t_1,2\cos t_1,0)$
$C_2:\mathbf r_2(t_2)=(1-t_2)(2,0,0)+t_2(3,3,3)=(2+t_2, 3t_2, 3t_2)$

where $0\le t_1\le\dfrac\pi2$ and $0\le t_2\le1$ . You have

$\mathrm d\mathbf r_1=(2\cos t_1,-2\sin t_1,0)\,\mathrm dt_1$
$\mathrm d\mathbf r_2=(1,3,3)\,\mathrm dt_2$

and so the work is given by the integral

$\displaystyle\int_C\mathbf F(x,y,z)\cdot\mathrm d\mathbf r$
$=\displaystyle\int_0^{\pi/2}\mathbf F(2\sin t_1,2\cos t_1,0)\cdot(2\cos t_1,-2\sin t_1,0)\,\mathrm dt_1$
${}\displaystyle\,\,\,\,\,\,\,\,+\int_0^1\mathbf F(2+t_2,3t_2,3t_2)\cdot(1,3,3)\,\mathrm dt_2$

5 0

3 years ago

PLEASE HELP ILL GIVE BRAINLEST

Liono4ka [1.6K]

Answer:

4177

Step-by-step explanation:

add what rhode island is and then do the same for washington. then add both

6 0

3 years ago

If x = 3, calculate the value of: x3 - x

Sergeeva-Olga [200]

You have to fill in 3 for x so it woul look like 3x3-3 and that would be 6.

8 0

3 years ago

Read 2 more answers

Can you help me simplify this and explain it -----------------------------------------------------------------------------------

Archy [21]

A. Factor 28 + 7g 7(g <span>+ 4)

add
28 </span><span>+ 7g

= 7 (g </span>+ 4)

B. (12r + 15) – 65 Remove parentheses
12r+15-65

= 12r - 50

C. 24 – (8p – 12)

24 - (8p - 12) = -8p + 36

24 - (8p - 12) -(8p - 12) 8p + 12

= 24-8p+12

Simplify 24-8p+12

Group like terms
-8p+12+24

Add the numbers 12+24=36

Answer is -8p+36

7 0

3 years ago

Which is the correct algebraic representation for the area of a circle?

fiasKO [112]

B because pie radius square = area of a circle

4 0

3 years ago