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jonny [76]
3 years ago
15

Simplify this expression 4(c - 3)

Mathematics
2 answers:
zavuch27 [327]3 years ago
3 0

Answer:

4c - 12

Step-by-step explanation:

The brackets mean you multiply.

4 x c = 4c

4 x 3 = 12

Agata [3.3K]3 years ago
3 0

Answer:

4c-12

Step-by-step explanation:

You simplify by timing c-3 by 4.    

4(c-3)

4c-1

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Select the irrational numbers.<br> A. 39<br> B. 72<br> C. V111<br> D. 122<br> E. 144
stich3 [128]
The only irrational number there is C
7 0
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The diameter of a circle is 16 centimeters. How would you calculate the area?
Y_Kistochka [10]

Answer: 201.06

Step-by-step explanation:

To find the area of a circle with the radius, square the radius, or multiply it by itself. Then, multiply the squared radius by pi, or 3.14, to get the area. To find the area with the diameter, simply divide the diameter by 2, plug it into the radius formula, and solve as before.

Hope this helps!

6 0
4 years ago
Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8
mojhsa [17]
{ x + 3 y = 7      * ( - 2)
 2 x + 4 y = 8 

{ - 2 x - 6 y = - 14
    2 x + 4 y = 8
_______________
             -2 y =  - 6   * ( -1)

 2 y = 6

y = 6 / 2

y = 3

For x :

2 x + 4 y = 8

2 x + 4 * ( 3) = 8

2 x + 12 = 8

2 x = 8 - 12

2 x = - 4

x = - 4 / 2

x = - 2

Solution:   x = -2    and  y = 3 

hope this helps!

8 0
3 years ago
Owen bought a pair of shoes and the shirt shown. The cost of the shirt was $42 less than the price of the shoes. How much did Ow
Verdich [7]

Answer:

The cost of the pair of shoes will be = $(x + 42)

Step-by-step explanation:

Please kindly check the attached file for explanation.

5 0
4 years ago
If f(x)=x^2+2x-3 and g(x)=x^2-9, find (f/g)(4) and (f+g)(4)
Likurg_2 [28]

Answer:

<u>Part 1:</u> Find (f/g)(4) = 3

<u>Part 2:</u> Find (f+g)(4) = 28

Step-by-step explanation:

<u>Part 1:</u> Find (f/g)(4):

(f/g)(4) means <em>divide f function by g function and simplify it. Then plug in 4 into x of that simplified function.</em>

Let's do this:

\frac{x^2+2x-3}{x^2-9}\\=\frac{(x+3)(x-1)}{(x-3)(x+3)}\\=\frac{x-1}{x-3}

Plugging in 4 into x gives us:

\frac{x-1}{x-3}\\=\frac{4-1}{4-3}\\=\frac{3}{1}\\=3

The answer is 3

<u></u>

<u>Part 2:</u> Find (f+g)(4):

(f+g)(4) <em>means add f function and g function and simplify it. Then plug in 4 into x of that simplified function.</em>

Let's do this:

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

Plugging in 4 into x gives us:

2x^2+2x-12\\=2(4)^2+2(4)-12\\=28

The answer is 28

5 0
3 years ago
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