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cricket20 [7]
3 years ago
9

Whats this one? plsssssssss

Mathematics
1 answer:
iren2701 [21]3 years ago
4 0

Answer:

-4.9x^2 + 25x + 1.6 = 0

Step-by-step explanation:

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Find the surface area of a cylinder the has a base radius of 2 feet and the height of 14 feet
Mashutka [201]

Answer: If I am correct the answer is 201.06ft²

please do correct me if i am wrong.

Step-by-step explanation:

A=2πrh+2πr2=2·π·2·14+2·π·22≈201.06193ft²

5 0
2 years ago
If a polynomial function f(x) has roots 1+square root of 2 and-3, what must be a factor of f(x)?
nevsk [136]
To find the factor a a polynomial from its roots, we are going to seat each one of the roots equal tox, and then we are going to factor backwards.

We know for our problem that one of the roots of our polynomial is -3, so lets set -3 equal tox and factor backwards:
x=-3
x+3=0
(x+3) is a factor of our polynomial.

We also know that another root of our polynomial is 1+ \sqrt{2}, so lets set 1+ \sqrt{2} equal to x and factor backwards:
x=1+ \sqrt{2}
x-1= \sqrt{2}
x-1- \sqrt{2}=0
(x-(1+ \sqrt{2})=0
((x-(1+ \sqrt{2} )) is a factor of our polynomial.

We can conclude that there is no correct answer in your given choices.
8 0
3 years ago
Please help!! Rewrite the expression as the product of two binomials. What are the two binomials for the expression? x(x-8)-9(x-
aleksklad [387]
That would be (x-9) (x-8)
8 0
3 years ago
Will give brainliest if right, please help me with this math question
igomit [66]

84 is 60% of 140!

To get this answer, you have to do 84 x 100 and you get 8400: Then you divide 8400 by 60 and get 140.

4 0
3 years ago
Read 2 more answers
Professor Tangent was stumped. His research assistant had given him a riddle but she simply could not solve. Help the professor!
melomori [17]

Answer:

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8 0
3 years ago
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