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Zarrin [17]
3 years ago
14

a firefighter need to reach the 9th floor of a building which is 120 feet high how far should his letter be extended if the fire

truck contain the base of the ladder is propped 160 feet away from the building​
Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

200

Step-by-step explanation:

this is a 3-4-5 triangle so since 120/3 and 160/4 = 40 which are the two sides the ladder is 5*40=200

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True or False? A negative sign in front<br> reflects the parabola over the x axis.
Murrr4er [49]
The answer would be true
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2 years ago
Compute the greatest root of x^4-x^3-19x^2+4x+60=0. Express your answer in simplified radical form.
erik [133]

Answer:

your answer can be either

Step-by-step explanation:

x = 5

x = 3

 x=  0.0000 - 2.0000 i  

 x=  0.0000 + 2.0000 i  

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((((x4)-(8•(x3)))+19x2)-32x)+60  = 0  

Step  2  :

Equation at the end of step  2  :

 ((((x4) -  23x3) +  19x2) -  32x) +  60  = 0  

Step  3  :

Polynomial Roots Calculator :

3.1    Find roots (zeroes) of :       F(x) = x4-8x3+19x2-32x+60

Polynomial Roots Calculator is a set of methods aimed at finding values of  x  for which   F(x)=0  

Rational Roots Test is one of the above mentioned tools. It would only find Rational Roots that is numbers  x  which can be expressed as the quotient of two integers

The Rational Root Theorem states that if a polynomial zeroes for a rational number  P/Q   then  P  is a factor of the Trailing Constant and  Q  is a factor of the Leading Coefficient

In this case, the Leading Coefficient is  1  and the Trailing Constant is  60.  

The factor(s) are:  

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,2 ,3 ,4 ,5 ,6 ,10 ,12 ,15 ,20 , etc  

4 0
3 years ago
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sergiy2304 [10]
2.5 Feet in 15 seconds
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2 years ago
A marketing team for a fast food chain finds that customers prefer one of four items offered on the menu. The table shows the da
Ivan

It can be deduced that the population proportion formulated shows that the proportion is 3/5.

<h3>How to calculate the population proportion</h3>

Your information is incomplete as the table isn't given. Therefore, an overview will be given. It should be noted that a population proportion simply means a fraction of the population that has a particular characteristic.

In this case, let's assume that the population is 2000 and the most preferred menu item is chosen by 1200 people. Therefore, the <em>population</em> proportion of the most preferred menu item will be:

= 1200/2000

= 3/5.

Learn more about proportion on:

brainly.com/question/16236451

3 0
2 years ago
How can we classify the following shape?​
DerKrebs [107]

Answer:

Parallelogram

Step-by-step explanation:

Parallelograms have 2 sets of parallel sides, hence the name.

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2 years ago
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