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zhannawk [14.2K]
3 years ago
9

What is 7a - 19 = 44 show your work

Mathematics
2 answers:
Tamiku [17]3 years ago
5 0

Answer:9


Step-by-step explanation: 7a = 44 + 19

7a = 63

a = 63/7

a = 9


maria [59]3 years ago
3 0

Answer:

a=9

Step-by-step explanation:

In 7a-19=44, you want to find what a equals to, so in order to find that, you can isolate 7a in the equation.

7a-19+19=44+19

If you add 19 to both sides, the new equation is

7a=63

Now you have to isolate the variable a, and in order to do that, divide both sides by 7.

7a/7=63/7

Which leaves you with,

a=9

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Answer:

1.  9/25  units^2

2.    s = 1/4 unit

3.    = 8/27  units^3

4.     s = 3/4 unit

Step-by-step explanation:

1.  The area of a square is A=s^2

                                            A = (3/5)^2

                                                 = (3/5) *(3/5)

                                                  = 9/25  units^2

2.   The area of a square is A=s^2

                                             1/16 = s^2

       Take the square root of each side

                                          sqrt(1/16) = sqrt(s^2)

                                              1/4 = s

                                            s = 1/4 unit

3.  The volume of a cube is V = s^3

                                             V = (2/3)^3

                                                 = (2/3) (2/3) (2/3)

                                                  = 8/27  units^3

4.The volume of a cube is V = s^3

                                          27/64 = s^3

Take the cube root of each side

                                         (27/64)^(1/3) = (s^3)^(1/3)

                                               3/4 = s

                                                     s = 3/4 unit












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