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weeeeeb [17]
3 years ago
9

What is the sum of the polynomials below ? 3y^5-2y+8 2y^5 - 4y^3-7

Mathematics
1 answer:
geniusboy [140]3 years ago
4 0

Answer:

(3 {y}^{5}  - 2y + 8) + (2 {y}^{5}  -  {4y}^{3}  - 7) \\  = 5 {y}^{5}  - 4 {y}^{3}  - 2y + 1

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Which expression represents the sum of 8 and twice a number?
vekshin1

Answer:

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Step-by-step explanation:

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Sum of 8 and twice a number is

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7 0
3 years ago
Circle P has a circumfrence of aproximately 75 inches what is the aproximate length of the radius, r? Use 3.14 for pi. Round to
ratelena [41]

Answer:

The approximate length of the radius, r is 12 inch.

Step-by-step explanation:

Given:

A circle P is given having circumference C,

C = 75 inch

pi = π = 3.14

radius = r

To Find:

radius = r = ?

Solution:

Circumference:

In geometry, the circumference (from Latin circumferens, meaning "carrying around") of a circle is the (linear) distance around it.

That is, the circumference would be the length of the circle if it were opened up and straightened out to a line segment.

Formula is given as

Circumference=2\pi (radius)

Substituting the values we get

75 = 2 × 3.14 × r

∴ r =\frac{75}{2\times 3.14}\\ \\r=\frac{75}{6.28} \\\\r=11.942\ inches

We approximate radius to

radius = 12 inich

7 0
3 years ago
I am stuck on this. Please help!
drek231 [11]
The answer is 4 bc you subtract the 2 and the 2
8 0
3 years ago
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