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Ad libitum [116K]
3 years ago
7

Help please!!

Mathematics
2 answers:
IRINA_888 [86]3 years ago
7 0
I think it’s QT EJ and HA
Alisiya [41]3 years ago
7 0

Answer:

QT. . . . . . . . . . . . . . . I think

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Given that a = 14 cm and b = 25 cm, work out the area of the triangle.
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Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 in you use synthetic division show all three lines of numbers
jonny [76]

Answer:

5,i\sqrt 6 and -i\sqrt 6

Step-by-step explanation:

We are given that  the polynomial

f(x)=x^3-5x^2+6x-30

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f(x)=0

x^3-5x^2+6x-30=0

x^2(x-5)+6(x-5)=0

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Write the quadratic function in standard form.<br> f(x) = -x2 + 2x + 4<br> f(x) =
goldenfox [79]

Answer:

f(x)=-1(x-2)^2+8

Step-by-step explanation:

Given:

The quadratic function is given as:

f(x)=-x^2+2x+4

The standard form of a quadratic function is given as:

f(x)=a(x-h)^2+k, where, 'a', 'h' and 'k' are real numbers.

Now, in order to convert the given function to standard form, we use completing by  square method.

-x^2+2x=-(x^2-2x)=-[(x-2)^2-2^2]=-[(x-2)^2-4]=-(x-2)^2+4

Now, f(x)=-x^2+2x+4 can be rewritten as:

f(x)=-(x-2)^2+4+4\\f(x)=-1(x-2)^2+8

Therefore, the standard form of the function is:

f(x)=-1(x-2)^2+8

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What best describes a neutral solid object that is charged by conduction?
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