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Anika [276]
3 years ago
11

I can't figure out my problem 4-8n+7n-3n-9 ​

Mathematics
2 answers:
Ratling [72]3 years ago
8 0

Answer:

-4n-5

Step-by-step explanation:

have a good day and also for question like this use (mathpapa)

Ivahew [28]3 years ago
3 0

Answer:

-4n-5=0 n=-5/4

Step-by-step explanation:

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Each equation in a system of linear equations has the same slope. What are the possible solutions the system could have?
Kazeer [188]

Answer:

A. The system could have no solution or infinitely many solutions.

Step-by-step explanation:

Parallel lines have the same slope, meaning that they cannot intersect. So, the system can either have no solution (no intersection), or infinite possible solutions (the same line).

3 0
3 years ago
Write the polynomial in factored form. <br><br> p(x)=(x+5)(x-___)(x+___)
Rom4ik [11]

Answer:


Step-by-step explanation:

Given : p(x)=x^{3} +6x^{2} -7x-60

Solution :

Part A:

First find the potential roots of p(x) using rational root theorem;

So, \text{Possible roots} =\pm\frac{\text{factors of constant term}}{\text{factors of leading coefficient}}

Since constant term = -60

Leading coefficient = 1

\text{Possible roots} =\pm\frac{\text{factors of 60}}{\text{factors of 1}}

\text{Possible roots} =\pm\frac{1,2,3,4,5,6,10,12,15,20,60}{1}

Thus the possible roots are  \pm1, \pm2, \pm 3, \pm4, \pm5,\pm6, \pm10, \pm12, \pm15, \pm20, \pm60

Thus from the given options the correct answers are -10,-5,3,15

Now For Part B we will use synthetic division

Out of the possible roots we will use the root which gives remainder 0 in synthetic division :

Since we can see in the figure With -5 we are getting 0 remainder.

Refer the attached figure

We have completed the table and have obtained the following resulting coefficients: 1 , 1,−12,0.  All the coefficients except the last one are the coefficients of the quotient, the last coefficient is the remainder.

Thus the quotient is x^{2} +x-12

And remainder is 0 .

So to get the other two factors of the given polynomial we will solve the quotient by middle term splitting

x^{2} +x-12=0

x^{2} +4x-3x-12=0

x(x+4)-3(x+4)=0

(x-3)(x+4)=0

Thus x-3 and x+4 are the other two factors

So , p(x)=(x+5)(x-3)(x+4)





3 0
3 years ago
Read 2 more answers
(50 points!)
Maru [420]

(y x .12) x .3 = the total cost


6 0
3 years ago
A car travels at a speed of 65 miles per hour. How far will it travel in 25 hours?
dmitriy555 [2]

Answer:

1625 miles

Step-by-step explanation:

65 times 25 =1625

7 0
3 years ago
What is the answer ?????​
alukav5142 [94]

Answer:

4.8÷40=4.8÷4÷10

           =0.12

0.12=12/100

      =3/25

3 0
3 years ago
Read 2 more answers
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