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USPshnik [31]
3 years ago
5

[50 Points]

Mathematics
2 answers:
Snezhnost [94]3 years ago
8 0
60 days / 8 workers = 7.5

60 days - 12 days of work done = 48

48 x 7.5 = 360

360/ 12 workers = 30 days to finish rest of the house.
hram777 [196]3 years ago
7 0
Solution in the attachment.

Answer: 32 days.

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Help on this question. This is on Khan Academy ​
sukhopar [10]

Answer:None of the above it would have to be that's what he pays in 9 months

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
The directrix and focus of a parabola are shown on the graph. Which is an equation for the parabola?
Soloha48 [4]
The answers is x=-3……….
7 0
2 years ago
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Subtract x3 – 7x2 + 3 from the sum of - 3x3 + x2 and – x2 + 4x - 3.
Vesnalui [34]

Answer:

x3 – 7x2 + 3------  x3 - 7x2 + 3

3x3 + x2-----------x2 • (3x + 1)

x2 + 4x - 3------------ x2 + 4x - 3

Step-by-step explanation:

Step  1  :

Equation at the end of step  1  :

 ((x3) -  7x2) +  3

Step  2  :

Polynomial Roots Calculator :

2.1    Find roots (zeroes) of :       F(x) = x3-7x2+3

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  3.

The factor(s) are:

of the Leading Coefficient :  1

of the Trailing Constant :  1 ,3

Let us test ....

  P    Q    P/Q    F(P/Q)     Divisor

     -1       1        -1.00        -5.00      

     -3       1        -3.00        -87.00      

     1       1        1.00        -3.00      

     3       1        3.00        -33.00    

Hope this helps.

3 0
3 years ago
Read 2 more answers
The value of the expression 23+32-3×4-52÷5+(7×4) is
svet-max [94.6K]

Answer:  23+32-3×4-52÷5+(7×4)= 60.6

Step-by-step explanation:

3 0
4 years ago
Write a quadratic equation in the form x² + bx+c=0 that has the following
vfiekz [6]

Answer:

x^2-6x+5

Step-by-step explanation:

To have roots at x=5 and x=1 you need to write is as follows

(x-5)(x-1)

you then need to multiply these two and get

x^2-6x+5

7 0
3 years ago
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