4 years ago

QUICK! EASY QUESTON 30 POINTS

Mathematics

2 answers:

White raven [17]4 years ago

5 0

Answer:

i think B

Step-by-step explanation:

im on the test

S_A_V [24]4 years ago

3 0

Answer:

draw a line that intersects the first line at an acute angle using a straightedge

Step-by-step explanation:

perpendicular lines are lines that cross each other (not rays)

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Let F (x; y) = xy2i + x2y j. Evaluate ∫F.ds (from c to [infinity]) where C is the upper half of the circle of radius 1 centered

77julia77 [94]

Answer:

The integral $\int F \bullets ds$ is 0.

Step-by-step explanation:

A parameterization of curve C can be:

X (t) = cost 0 <= t <= pi

Y (t) = sint 0 <= t <= pi

r (t) = costi + sintj

r '(t) = -sinti + costj

$Fds = [-costsin^3t + sintcos^3t] dt$

The integral $\int F \bullets ds$ is given by:

$\int _0^{\pi }\left[-costsin^3t + sintcos^3t dt\right]dt$

$= \int _0^{\pi }-sin ^3tcostdt + \int _0^{\pi }sintcos^3tdt = 0$

4 0

3 years ago

5. Which of the following is a function?

NNADVOKAT [17]

Answer:

D. (1, 1), (2, 2), (3, 3), (4,4), (5,5)

Hope this helps!

6 0

2 years ago

A line contains the points (–4, 5) and (3, –9). Write the equation of the line using slope-intercept form. A. y=-2x-3

Dominik [7]

Y= -2x-3 is the answer

7 0

3 years ago

Can you please justify the steps for me?

Tasya [4]

Answer:

step 1: you subtract 28 and 3 to get 5x by itself

step 2:divide 25 and 5 to solve or x

step 3: x equals 5

Step-by-step explanation:

8 0

3 years ago

A scuba diver descended at the rate of 8 feet per second for one minute what was her total change in elevation over that period

Vanyuwa [196]

Answer:

480

Step-by-step explanation:

if you are descending 8 feet per second for one minute, you have to multiply 8 by 60 and that gives you 480. Hope it helps!

8 0

3 years ago