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zmey [24]
3 years ago
12

Factorise x^2 – 8x - 48

Mathematics
2 answers:
Nitella [24]3 years ago
4 0

Answer:

Factor x^2−8x−48 using the AC method.

(x−2) (x+4)

Lady_Fox [76]3 years ago
3 0

The answer
(X+4) * (X-12)
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Contact [7]

Answer:704

Step-by-step explanation: multiply

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Kwan's parents bought a home for $50,000 in 1997 just as real estate values in the area started to rise quickly. Each year, thei
poizon [28]

A. First let us start with the linear model.

The equation is in the form of y = m x + b

Calculating for the slope m:

m = (309,587 – 50,000) / (2007 – 1997)

m = 25,958.7

 

Subsituting:

y = 25,958.7 x + b

Taking x = 1997, y = 50,000. Solve for b:

50,000 = 25,958.7 (1997) + b

b = -51,789,523.9

 

The complete equation is therefore:

y = 25,958.7 x - 51,789,523.9

 

 

B. The exponential model has the following form:

y = a b^x

where a and b are constants

 

Taking x1= 1997, y1 = 50,000; x2 = 2007, y2 = 309,587

50,000 = a b^1997

309,587 = a b^2007

 

Combining in terms of a:

50,000 / b^1997 = 309,587 / b^2007

b^2007 / b^1997 = 309,587 / 50,000

b^10 = 6.19174

b = 1.2

 

Substituting:

y = a 1.2^x

 

Solving for a:

50,000 = a 1.2^1997

a = 3.75 x 10^-154

 

The complete equation is:

y = 3.75 x 10^-154 * 1.2^x

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3 years ago
Which set of points contains the solutions to the inequality y < -2/3x - 13/3?
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Answer:

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Step-by-step explanation:

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Assuming there are no breaks, there are 52 weeks in a year so 475(52)= 24700
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If it's $8 for four bottles how much is each bottle?
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Hi there! $8 per 4 bottles means price/# of bottles will give you the average price per bottle.

8/4=$2

Therefore it is $2 for 1 bottle.

Hope this helps!
5 0
3 years ago
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