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DaniilM [7]
3 years ago
5

If you know that 7 - square root 5 is it root of a polynomial function

Mathematics
1 answer:
Kitty [74]3 years ago
4 0

Answer:

As you must know, If one root of the polynomial 7-√5, the other will be 7+√5 i.e irrational root occur in pairs.

A polynomial function cannot have single unreal i.e irrational root. It always occur in pairs.

So , consider a polynomial function of any degree, if it has a root 7-√5, then it must have another root as 7+√5.

A polynomial can't have 7-√5 as a single root.  




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✨BRAINLIEST IF YOUR RIGHT✨
KengaRu [80]

Answer:

a) 1cm

b) 2cm and 3 cm

c) the next set of blocks that would be added would be 4 and 10 cm

d) well each block is a centimeter each time you add a block it adds a centimeter.

e) well since we have ten we would put another 4 cm of bocks to make 14 squares

Step-by-step explanation:

5 0
3 years ago
Sphere and a cylinder have the same radius and height. The volume of the cylinder is 64 meters cubed.
Mrrafil [7]

Answer:

C. 128/3 meters cubed

Step-by-step explanation:

The volume of a cylinder is denoted by: V=\pi r^2h, where r is the radius and h is the height. We know it's equal to 64, so we can set that equal to V:

V=\pi r^2h

64=\pi r^2h

We know that the sphere and cylinder have the same height and radius. However, the "height" of a sphere is actually the same as its diameter, which is twice its radius. Then, we can replace h in the above equation with 2r:

64=\pi r^2h

64=\pi r^2*2r=2\pi r^3

\pi r^3=64/2=32

Now, the volume of a sphere is denoted by: V=\frac{4}{3} \pi r^3, where r is the radius. From above, we know that \pi r^3=32, so we can plug this into the equation:

V=\frac{4}{3} \pi r^3

V=\frac{4}{3} *32=128/3

Thus, the answer is C.

4 0
3 years ago
Read 2 more answers
What is the best estimate for the percent equivalent to 3/8?
Nimfa-mama [501]
37.5% i believe! i’m not reallt sure if this is correct; but i believe it is. hope this helps!
5 0
3 years ago
Read 2 more answers
The balabcr after four months ​
Montano1993 [528]

Answer:

a. 300 + 24x = y, where x is the number of months, and y is the total balance

b. 396

Step-by-step explanation:

a. The balance of $300 is a constant, so it does not change, this is the first part of our equation. If x is the number of months and we get $24 per month, then we have the second part of our equation. If we say y is the balance, that gives us the last part of the equation, 300 + 24x = y

b. Plug the number 4 in for x (the amount of months), 300 + 24(4) = y, simplify: 300 + 96 = y, simplify: 396 = y

6 0
4 years ago
Help me i am stuck on this question for 20 minutes and will give brainlist
Mashcka [7]

Answer:

fourth option is correct

Step-by-step explanation:

hope this helps

8 0
3 years ago
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