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Dovator [93]
3 years ago
5

Evaluate: ab – bc if a = 4, b = 3, and c = 2 ab - bc =

Mathematics
2 answers:
lorasvet [3.4K]3 years ago
8 0
(4)(3)-(3)(2) = 12-6 = 6
defon3 years ago
4 0

Answer:

6

Step-by-step explanation:

To evaluate the expression if a = 4, b = 3, and c = 2, substitute those values for the variables and solve. So, substitute 4 for a, 3 for b, and 2 for c, then simplify by the correct order of operations, PEMDAS:

ab - bc \\(4)(3)-(3)(2)\\= 12 - 6 \\= 6

Therefore, the answer is 6.

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There are 25 students in Mr. Jones’ art class. Mr. Jones is planning a project where each student needs 0.3 jar of paint. Exactl
Katarina [22]

Answer:

7.5 jars

Step-by-step explanation:

There are 25 students in the art class.

Mr Jones is planning that for the project, each of the 25 students will need 0.3 jar of paint.

The amount of paint Mr Jones needs for this project is therefore the product of the number of students in the class by the amount of paint each student needs.

That is:

25 * 0.3 = 7.5 jars of paint

Mr Jones needs 7.5 jars of paint for the art project.

7 0
4 years ago
The graph represents the function f(x) = x2 + 3x + 2.
Bezzdna [24]
For this problem, you have to find the g(x) right?

The f(x) is already given, so all you have to do is multiply both sides by negative 1 (-1) to get the g(x) which is the opposite.

It'll look like this (g(x) = x^2 + 3x + 2)(-1)

Then the answer should be, g(x) = -x^2  - 3x - 2


5 0
4 years ago
PLSSS HELP ASAP and don’t send links I really need help this is hard ash
dolphi86 [110]

Answer:

b =  \sqrt{ \frac{ {c}^{2} }{2 {\pi}^{2} }  -  {a}^{2} }

3 0
3 years ago
Please help pls fast
iren [92.7K]

Answer:

-48

Step-by-step explanation:

8 0
3 years ago
Ecuaciones cuadraticas <br> 4x²- 20x=0<br> 3x²-42=0<br> 2x²-14x=0<br> 8x²-98=0
Setler79 [48]

Im so sorry.. I did not mean to submit an answer..

And I honestly don't know how to get rid of my answer.. but I will try to help.


4x²- 20x=0 = x_{1} = -√5, x_{2} = √5


3x²-42=0 = x_{1} = -√14, x_{2} = √14


2x²-14x=0 = x_{1} = 0, x_{2} = 7


8x²-98=0 = x_{1} = -\frac{7}{2}, x_{2} = \frac{7}{2}


I hope that these are the answers that you wanted, if they are not, I am sorry, tell me and I will try to fix them.

3 0
4 years ago
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