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stepladder [879]
3 years ago
8

Add. Express your answer in simplest terms. 1/5+2/3

Mathematics
2 answers:
fredd [130]3 years ago
8 0
The answer is 13/15 . add both of the fractions 
DedPeter [7]3 years ago
4 0
Y0ou find a common denominatior, in this case is 15.... then multiply whatever u had to get the denominator 15 times the top number, so 3/5 + 10/15 = 13/15
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Can anyone help me expand this please?
White raven [17]
Any explain this to me a little bit morebetter
7 0
3 years ago
Find the product of z1 and z2, where z1 = 2(cos 70° + i sin 70°) and z2 = 4(cos 200° + i sin 200°)
vazorg [7]

Answer:

-8i

Step-by-step explanation:

To multiply numbers is polar form

z1 = r1 ( cos theta 1 + i sin theta 1)

z2 = r2 ( cos theta 2 + i sin theta 2)

z1*z2 = r1*r2 (cos (theta1+theta2) + i sin (theta1+theta2)

z1 = 2(cos 70° + i sin 70°)

z2 = 4(cos 200+ i sin 200)

z1z2 = 2*4 (cos (70+200) + i sin (70+200)

z1z2 = 8 (cos(270) + i sin (270))

       = 8 (0 + i (-1))

       =-8i

5 0
4 years ago
Read 2 more answers
Find the radius if mADB=270° and length is 61.26 meters
love history [14]

Given:

In the given circle, ∠ADB = 270° and length of ADB = 61.26 m

To find the radius of the circle.

Formula

The formula to determine the radius is given by

arc \ length =(\frac{\theta}{360})2 \pi r

Substituting arc length = 61.26, \theta= 270, we get;

61.26 =(\frac{270}{360})2 (3.14) r

61.26 =4.71 r

    13=r

Thus, the radius is 13 m

6 0
3 years ago
Which division equation matches this multiplication equation?
melomori [17]

Answer:

I think the answer is A but I'm not 100% sure.

Step-by-step explanation:

7 0
3 years ago
Which set of three numbers could be the side lengths of a triangle?
spin [16.1K]

Answer:

The correct option is C.

Step-by-step explanation:

In a triangle, then sum of two smaller sides is greater than the length of third greatest side.

Let, in a triangle ABC, If the length of sides are a, then

c

In option A,

8\nless 2+4

Therefore option A is incorrect.

In option B,

6\nless 2+4

Therefore option B is incorrect.

In option C,

7

Therefore option C is correct.

In option D,

9\nless 3+5

Therefore option D is incorrect.

7 0
3 years ago
Read 2 more answers
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