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RSB [31]
2 years ago
15

For which value of 0 is 0=-1 ?

Mathematics
1 answer:
bagirrra123 [75]2 years ago
4 0

Answer:

theta =  \frac{3}{2} \pi + 2k\pi

Step-by-step explanation:

+2*k*pi is for the periodicity (if you turn 360° you get back to the same point)

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Describe and correct the error a student made in finding the midpoint cd with c(-4,5) and d(-1,-4).
Gnesinka [82]

Answer:

Step-by-step explanation:

The formula for finding the midpoint of two coordinates is expressed as;

M(X,Y) = (\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})

Given the coordinates c(-4,5) and d(-1,-4), x1 = -4, y1 = 5, x2 = -1 and y2 = -4.

For the X coordinate of the midpoint

X = x1+x2/2

X = -4+(-1)/2

X = -4-1/2

X = -5/2

X = -2.5

Similarly for Y:

Y = y1+y2/2

Y = 5+(-4)/2

Y = 5-4/2

Y = 1/2

Y = 0.5

Hence the midpoint coordinate of C(-4,5) and D (-1,-4) is (-2.5, 0.5)

5 0
3 years ago
If the volume of a sphere is 660 mm, what is the radius of the sphere, to the nearest tenth of a millimeter?
n200080 [17]

Answer:

Radius= 5.4

Step-by-step explanation:

Formula for Sphere- V= 4/3(pi)• r^3

r=(3 V/4 pi) = (3•660/4•pi)= 5.40114 (5.4)

5 0
2 years ago
I feel like I am asking so my questions but I dont really care its a Sunday xD
dimulka [17.4K]
You would add like terms so it would be 1x then you add 1 to 7 so you would get 8.. the you divide both sides by 1x and you'd get 8=x
4 0
3 years ago
Read 2 more answers
Shelly compared the number of oak trees to the number of maple trees as a part of a study about hardwood trees in a woodlot. She
9966 [12]
There were 72 more maple trees before the bug problem then after because there was 108 maple trees before the bug problem and 36 maple trees after the bug problem
6 0
3 years ago
A washer and dryer cost a total of $924. The cost of the washer is two times the cost of the dryer. Find the cost of each item.
marshall27 [118]

Answer:

Washer = $616, Dryer = $308

Step-by-step explanation:

When something is twice the cost of something else but add up to be a total number that means 2/3rds is one item and 1/3 is the other.

924 / 3 = 308

308 * 2 = 616

308 + 616 = 924

6 0
3 years ago
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