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Reika [66]
3 years ago
15

How do I do a multiplication targets or wheels ​

Mathematics
1 answer:
aleksklad [387]3 years ago
8 0

Answer:

a

Step-by-step explanation:

do 2 x 2 you should get the right answer

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What are the solutions of the equation x^4 – 5x^2 – 36 = 0? Use factoring to solve.
hammer [34]

Answer:

Step-by-step explanation:

The equation is x^4 – 5x^2 – 36 = 0

We will break the middle term:

Firstly multiply the coefficient of x^4 by constant term of the equation:

1*36 = 36

Now find any two numbers whose product is 36 and their sum or difference is equal to 5

9*4 = 36

9-4 = 5

Now,

x^4 – 5x^2 – 36 = 0

x^4-9x^2+4x^2-36=0

Now take the common:

x^2(x^2-9)+4(x^2-9)=0

(x^2+4)(x^2-9)=0

x²+4=0,

x²= 0-4,

x²=-4,  

Take root on both sides:

√x²=+/-√-4

+/-√-4 = +/-√-1 *√4

√-1 = i

Then +/-√-1 *√4 = √4 i

We know that the root of 4 is 2

Then we can write it as +/-2i

Thus x = 2i , -2i

Now (x^2-9)= 0

x²=0+9

x²=9

Take square root on both sides:

√x²=√9

x=+/-3

x= 3, -3

Therefore the values of x are 2i, -2i, 3 , -3 ....

3 0
2 years ago
Which of the following phrases are equations?
Svetradugi [14.3K]

Answer:

(A)

(B)

(D)

Step-by-step explanation:

(A) 60/5 = 4 × 3

(B) 74 = -2t

(D) (r−3) × s=s²

Are equations

6 0
3 years ago
If reporter jo reports 12 stories every 3weeks what is the simplified ratio of stories to weeks
bagirrra123 [75]
The simplified ratio would be 4 to 1! hope this helps :)
6 0
3 years ago
helppppppppppppppppppppppppp me plz will MARK BRAINLIST THIS IS DO IN A FEW MINS!!!!!!!!!!!!!!!!!!!!!!!!!
denis-greek [22]

Answer:

It does not represent a function

Step-by-step explanation:

A function is a straight line that line has a bend.

3 0
3 years ago
Read 2 more answers
If P(n) and Q(n) are polynomials of degree j and k, respectively, then the series
Naya [18.7K]

Answer:

converges

Step-by-step explanation:

well the two polynomials in the series are 1 and n^8 (I'm assuming the +7 is not in the decimal but it seems to not matter). The degree of the polynomial 1 is 0 which can be represented by 1x^0. The second polynomial in the denominator has a degree of 8. So j = 0  and k = 8. Since 0 < (8-1)

0 < 7 the series converges

6 0
1 year ago
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