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iris [78.8K]
3 years ago
5

Describe and correct the error a student made in writing the system of inequalities represented by the graph shown below.

Mathematics
2 answers:
Anna11 [10]3 years ago
8 0

Answer: The graph doesn't show the problem he gave or the student gave

Step-by-step explanation:

kirza4 [7]3 years ago
7 0

Answer:

that student made a error on his graph because the equation y<0.5x+1 doesn't show.

Step-by-step explanation:

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4x- 2y = 8<br> 2x + y =2
Juli2301 [7.4K]

Answer:

x = 3/2 , y = -1

Step-by-step explanation:

I'm assuming that you are being asked to solve the system of equations for x and y.

given:

4x- 2y = 8  ---------------(1)

2x + y =2 -----------------(2)

We can solve this by elimination:

multiple (2) by 2, we get:

2(2x + y) =2(2)

4x + 2y = 4 ------------(3)

(1) + (3) , we get:

(4x- 2y) - (4x + 2y) = 8 + 4

8x = 12   (divide both sides by 8)

x = 12/8

x = 3/2   answer, substitute this into (2)  

2(3/2) + y =2

3 + y = 2  (subtract 3 from both sides)

y = 2 - 3

y = -1  answer

5 0
3 years ago
HELP PLEASE
Paraphin [41]

Answer:

x^4- x^3- 4x^2-3

Step-by-step explanation:

Given

f(x)= x^4- x^2+9

And

g(x)= x^(3 )+ 3x^2+12

We have to find

(f-g)(x)= ?

The operations on functions are as easy as the operations on numbers or polynomials.

We have to subtract the functions to find the above mentioned operation.

=(f-g)(x)=f(x)-g(x)

(f-g)(x)=[x^4- x^2+9]-[x^(3 )+ 3x^2+12]

The minus will change the signs of function g.

= x^4- x^2+9- x^(3 )- 3x^2-12

= x^4- x^3- x^2- 3x^2+9-12

=x^4- x^3- 4x^2-3

3 0
3 years ago
If my diameter is 19 inches what is my radius​
Masja [62]

Answer:

38

Step-by-step explanation:

To find the radius of a circle you multiply the diameter by 38

(to find the diameter, you divide the radius by 2)

4 0
4 years ago
X – 3 = 8 <br> pls give step by step explanation.
inn [45]

Answer:

x = 11

Step-by-step explanation:

x - 3 = 8  add 3 to both sides

x + 3  -3 = 8 + 3 the 3s cancel each other out, 8 + 3 = 11

x = 11

7 0
3 years ago
What is the product (3 x 10') * (2 x 10") in scientific
Mariana [72]

Answer:

600

Step-by-step explanation:

3 x 10 = 30

2 x 10 = 20

30 x 20 = 600

5 0
3 years ago
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