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krok68 [10]
3 years ago
13

What’s that answer

Mathematics
1 answer:
ziro4ka [17]3 years ago
5 0
A is the answer if I calculated right ;)
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Just need to know the answer thanks
enyata [817]
A) x=3   x=2
b) x=-8   x=-2

6 0
3 years ago
Read 2 more answers
What is the equation of a quadratic function P with rational coefficients that
Phoenix [80]

Answer:

P(x) = x^2-6x+58

Step-by-step explanation:

Quadratic function is function of the form P(x)=ax^2+bx+c where a, b and c are real numbers and a\neq 0

A number is said to be a rational number if it can be written in the form \frac{u}{v} where u and v are integers and v\neq 0.

A number is said to be a complex number if it can be written in the form u+iv where u and v are real numbers.

A number 'a' is said to be a zero of a function P(x) if P(a)=0

We know that if zero of a fraction is of form u+iv then its other zero is u-iv.

As 3+7i is a zero of the function, 3-7i is also its zero.

So, given equation is \left ( x-(3-7i) \right )\left ( x-(3+7i) \right )

P(x)=\left ( x-(3-7i) \right )\left ( x-(3+7i) \right )\\=x^2-x(3+7i)-x(3-7i)+(3-7i)(3+7i)\\=x^2-3x-7ix-3x+7ix+9+49\\=x^2-6x+58

4 0
3 years ago
A) –2n + 9m – 17p
finlep [7]
-2n + 9mn - 17np

All you do is simplify the equation by distributing and multiplying the 1/3n to each of the numbers.

Hope this helps!
6 0
3 years ago
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Jeremy caught 8 fish in a contest.
seraphim [82]

Answer:

3.1 kg

Step-by-step explanation:

4.3+5.3+ 6.8+ 2.6 + 3.2 +4.4 +4.8= 31.4 kg

Last fish= y

(31.4 + y)÷ 8= 4.3125

31.4 + y= 4.3125 x 8

y= 34.5 - 31.4

∴ y= 3.1 kg

6 0
3 years ago
What is thr value of the expression (-2)5
bearhunter [10]
( -2 ) 5 :

(-2 ) * 5 = - 10

hope this helps!.

3 0
3 years ago
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