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Grace [21]
3 years ago
5

Must the sum of three polynomials again be a polynomial?

Mathematics
1 answer:
enyata [817]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

The sum of any number of polynomials is again a polynomial with a degree not greater than the largest degree of the polynomials to be added.

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Jim runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?
GuDViN [60]

Answer:

9/2 miles or 4.5 miles

Step-by-step explanation:

First lets see how many miles Jim would run in one minute. That would be 3/28 miles in one minute. Than multiply that by 42 and you get 9/2.

7 0
3 years ago
If K(x) = |x-3| + x, find k(4)
swat32

Answer:

5

Step-by-step explanation:

First do substitution,

Which means |(4)-3|+4

Therefore 1+4=5

7 0
3 years ago
Need Answer ASAP ONLY 5 min.
Verizon [17]

Answer:

b is your answer hope it helps

5 0
3 years ago
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Find the surface area of square pyramid someone help
IgorC [24]

Answer:

65 square units

Step-by-step explanation:

The base of the pyramid is 5 by 5 , surface area is 25 square units.

the side of each one is 4 units "high" and 5 long at the base and to find the are of a triangle you multiple base times height then dived by 2. Therefore each side of the triangle is 10 units square. You have 4 sides so...

40 (total of all the sides ) +25 ( base ) = 65

4 0
3 years ago
Please show working out
alekssr [168]

Answer:

x= 14.84cm

Step-by-step explanation:

cos(52)=x/28

cos(52)*28=x

x=14.84 cm

7 0
4 years ago
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