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babunello [35]
3 years ago
11

A student is attempting to solve a multi-step equation. Sample mathematical work is shown below. Which statement best applies to

the sample mathematical work?
Given the equation , I must solve for m. I first subtract 8 from both sides, which gives me
−m/2
= -25/3. I then multiply both sides by –2, which gives me the final answer of m=50/3

A) The student incorrectly subtracted 8 from both sides.
B) The student incorrectly multiplied both sides by –2.
C) The final answer is not reduced or simplified.
D) The mathematical work shown is correct

Mathematics
1 answer:
Yakvenalex [24]3 years ago
3 0
I think the answer is c because it shows the final answer as a improper fraction so the final answer needs to be reduced or simplified.
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I need help please as soon as possible thanks
seraphim [82]

Step-by-step explanation:

12a-9a>-12+6

3a>-6/:3

a>-2

4 0
2 years ago
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Find the greatest common factor: 12ab^2c^4 + 20a^4bc^3 + 16a^3b
nordsb [41]

Option A

The greatest common factor is 4ab

<em><u>Solution:</u></em>

Given that,

We have to find the greatest common factor

12ab^2c^4+20a^4bc^3+16a^3b

<em><u>First find the GCF of numbers</u></em>

GCF of 12, 20, 16

The factors of 12 are: 1, 2, 3, 4, 6, 12

The factors of 16 are: 1, 2, 4, 8, 16

The factors of 20 are: 1, 2, 4, 5, 10, 20

Then the greatest common factor is 4

<em><u>Now find the GCF of variables</u></em>

ab^2c^4\\\\a^4bc^3\\\\a^3b

Here,

ab is the greatest common factor

Therefore, GCF of variables is ab

Thus, GCF of given expression is: 4ab

5 0
3 years ago
Describe the number of solutions for each system of equations graphed<br> below
abruzzese [7]
The solution of the system of equations means that following:
1- In case we are dealing with system of equations, the solution would be the point of intersection of the two graphs
2- In case we're dealing with only one equation, the solution would be the points of intersection of the graph with the x-axis

Graph (a):
The graph is for a system of equations (two lines). Therefore, the solution would be the point of intersection of the two lines.
From the graph, we can note that there is only one point of intersection between the two lines (-3,-1). Therefore, the system of equations has only one solution

Graph (b):
The graph is for a system of equations (two lines). Therefore, the solution would be the point of intersection of the two lines.
From the graph, we can note that the two lines are parallel. This means that they will never intersect. Therefore, the system of equations has no solutions

Graph (c):
The graph is for a single line. Therefore, the solution(s) would be the point(s) that make the overall equation equal to zero, i.e. point(s) of intersection with the x-axis.
From the graph, we can note that the line intersects with the x-axis only once at point (2,0). This means that the line has only one solution.

Hope this helps :)

5 0
3 years ago
The length of a rectangle is (3x - 5) inches, and its width is 2x inches. Find the area of the rectangle.
n200080 [17]

Answer:

6x^2 - 10x  inches ^2

Step-by-step explanation:

The area of a rectangle is

A = l*w

    = (3x-5) * (2x)

    = 6x^2 - 10x

8 0
3 years ago
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prisoha [69]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
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