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r-ruslan [8.4K]
3 years ago
14

X^3+7x^2-36x 3 +7x 2 −36x, cubed, plus, 7, x, squared, minus, 36 The polynomial above has zeros at -6−6minus, 6 and 222. If the

remaining zero is zzz, then what is the value of -z−zminus, z?

Mathematics
1 answer:
Dominik [7]3 years ago
4 0

Answer:

Step-by-step explanation:

Equation:

x^3 + 7x^2 - 36

Given that:

x1 = -6

x2 = 2

x3 = z

Let the zeros be,

x + 6, x - 2

Multiplying both of these factors ,

(x + 6) × (x - 2)

x^2 + 6x - 2x - 12

= x^2 + 4x - 12

Dividing the polynomial, x^3 + 7x^2 - 36 with the above quadratic equation,

We get:

x^3 + 7x^2 - 36 ÷ x^2 + 4x - 12

= x + 3

z; x + 3 = 0

x = -3

z = -3

-z = 3

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2. You and six friends order three large pizzas for a pizza party. Each large pizza had twelve pieces. There
Veronika [31]

Answer:

5

Step-by-step explanation:

12+12+12= 36

36-7= 29

3+3+3=9

29-9=20

20÷4=5

7 0
3 years ago
Find the value of -8 + 9 · 2 ÷ -3.
qaws [65]

Answer: -14

Step-by-step explanation:

You should get the right answer by following PEMDAS

6 0
3 years ago
Read 2 more answers
Simplify (5 + 1)2 - (11 + 32) + 4.
4vir4ik [10]

Answer:

6

Step-by-step explanation:

The trick here is to know PEMDAS.

PEMDAS stands for: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

This is the order in which you should simplify a problem.

Parentheses:

   (5 + 1)^2 - (11 + 32) + 4

   (6)^2 - (43) + 4

Exponents:

   (6)^2 - (43) + 4

   36 - 34 + 4

We have no multiplication or division, so we can skip those steps.

Addition:

   36 - 34 + 4

   40 - 34

Subtraction:

   40 - 34

   6

So 6 is our answer.

5 0
3 years ago
Read 2 more answers
EMERGENCY QUESTION! No Decimal answers plz!
telo118 [61]

Answer:

1,145,375 cm³

Step-by-step explanation:

Like with an earlier question you had, there is a chunk missing. If that chunk was filled in, this would be a 205 * 70 * 85 rectangular prism.

205 * 70 * 85

17,425 * 70

1,219,750

The cut out chunk is a 25 * 70 * 85 triangular prism.

1/2 (25 * 70 * 85)

1/2(2,125 * 70)

1/2(148,750)

74,375

Now that we know what the cut-out chunk is, subtract that from the first value we got.

1,219,750 -74,375

1,145,375 cm³

The volume of the Canadian Post mailbox is 1,145,375 cm³.

8 0
3 years ago
Read 2 more answers
Need answer 25 and answer 27
UNO [17]

\\ \bull\tt\dashrightarrow \dfrac{-3}{8}x-20+2x>6

\\ \bull\tt\dashrightarrow \dfrac{-3}{8}x+2x=6+20=26

\\ \bull\tt\dashrightarrow \dfrac{-3+16}{8}x=26

\\ \bull\tt\dashrightarrow \dfrac{13}{8}x=26

\\ \bull\tt\dashrightarrow x=26\times \dfrac{8}{13}

\\ \bull\tt\dashrightarrow x=8(2)=16

#27

\\ \bull\tt\dashrightarrow 0.5x-4-2x\leqslant 2

\\ \bull\tt\dashrightarrow 0.5x-2x\leqslant=2+4=6

\\ \bull\tt\dashrightarrow -1.5x\leqslant 6

\\ \bull\tt\dashrightarrow x\leqslant\dfrac{6}{-1.5}

\\ \bull\tt\dashrightarrow x\leqslant 4

8 0
3 years ago
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