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Citrus2011 [14]
3 years ago
11

Factor the following equations

Mathematics
1 answer:
Delicious77 [7]3 years ago
8 0

Answer:

a.(x-9)(x+8)

b. 6(x+3)(x+4)

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The equation x^3-5x=59 has a solution between 4 and 5. Use a trial and improvement method to find this solution. Give your answe
vodomira [7]

Answer:

The answer is "4.3".

Step-by-step explanation:

Given:

\to x^3 - 5x - 59 = 0

When x = 4.1:  

\to f(4.1) = (4.1)^3 - 5(4.1) - 59 = -10.579

When x= 4.2:

f(4.2) = 4.2^3 - 5(4.2) - 59 = -5.912

When x = 4.3:

\to f(4.3) = -0.993 (closer to 0)

\to f(4.4) = 4.184

  • It changes the sign so, the root lies in 4.3 and 4.4.

When x = 4.35:

\to f(4.35) = 1.563

When the root is closer to 4.3 than 4.4 So, 1.563 is closer to zero than 4.184.

When x = 4.32:

\to f(4.32) = 0.0216 close to zero.

So the answer is 4.3 to 1 decimal place.  

6 0
3 years ago
Work out the balance for £4500 invested for 2 years at 4% per annum
Alinara [238K]
That should be your answer  4500<span>+180 = 4680 .

</span>
6 0
3 years ago
2x + 3v= 13<br> 4x-V= -2<br> Solve the simultaneous equations
Lera25 [3.4K]

Answer:10

Step-by-step explanation:

4 0
3 years ago
Find the x and y intercepts of the graph of the equation 1. 3x-4y=24 2. -6x+3y=12
deff fn [24]

Answer:

Step-by-step explanation:

Recall the intercept form of the line

x/a + y/b = 1

has intercepts at (1,0) and (0,b)

#1. Divide by 24 to get x/8 + y/-6 = 1

The intercepts are at (8,0) and (0,-6)

#2 Divide by 12

x/-2 + y/4 = 1

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3 years ago
What do you call it when 50 people stand on a Wooden dock
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The answer is Pier Pressure 
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3 years ago
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