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MatroZZZ [7]
3 years ago
5

Given f(x)=x^4-7x^3+6x^2+8x+9

Mathematics
1 answer:
posledela3 years ago
8 0
The workings to the answers are in the attachments below. Open them up in a new window to see them in full.

Lowest Point On The Graph:

(4.480878208, -61.32441280)

Highest Point On The Graph:

(1.155422854, 17.23818241)

2nd Lowest Point On The Graph:

(-0.3863010618, 7.23076164)

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Solve mixture problems. George wishes to increase the percent of acid in 50m / of a 15% acid solution in water to 25% acid, how
fenix001 [56]

Answer:

x = amount of pure acid to be added = 6.67ml

Step-by-step explanation:

George wishes to increase the percent of acid in 50ml of a 15% acid solution in water to 25% acid, how much pure acid must you add?

let

x = amount of pure acid to be added

15% of 50 + x = 25% of 50 + x

(0.15 * 50) + x = 0.25(50 + x)

7.5 + x = 12.5 + 0.25x

Collect like terms

x - 0.25x = 12.5 - 7.5

0.75x = 5

x = 5/0.75

x = 6.6666666666666

Approximately,

x = 6.67

x = amount of pure acid to be added = 6.67ml

7 0
3 years ago
The expression for finding the perimeter of a octogon with equal sides is8 where s is the length of one side . Evaluate this exp
Sav [38]

Answer:

  48 inches

Step-by-step explanation:

Put the value of the variable where the variable is in the expression and do the arithmetic.

  P = 8s

  P = 8(6 in)

  P = 48 in

The perimeter of the octagon is 48 inches.

7 0
3 years ago
PLEASE HELP ASAP!!!!
ASHA 777 [7]

Answer:

(8+24)÷(12x4) the correct answer is B

7 0
3 years ago
Read 2 more answers
I NEED HELP WITH THIS ASAP <br> I WILL GIVE BRAINLIEST
natita [175]

Answer

x=100

y= 4.5

x=6

y= 1.87

Step-by-step explanation:

4 0
2 years ago
Which quadratic equation fits the data in the table?
marissa [1.9K]

Answer:

y = 3 - x + x²

Step-by-step explanation:

Given the data:

x. y

-5 33

-2 9

-1 5

0 3

3 9

4 15

6 33

General formof a quadratic model:

y = A + Bx + Cx²

Using the quadratic regression model solver for the data Given:

The quadratic model fit obtained is :

y = 3 - x + x²

4 0
3 years ago
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