2 years ago

NUMBER 4 NAD 5 PLEASE HELPPP

Mathematics

1 answer:

mezya [45]2 years ago

4 0

Answer:

4. 3169

5. 60

Step-by-step explanation:

4. To evaluate the value, you must substitute the variable with it’s given value.

12 - 3m +(8m)^2 = 12 - 3 x -7 + ( 8 x -7)^2 = 12 +21 + 3136 = 3169.

5. Let the number be y.

130/100 x y = 78

13y/10 = 78

13y = 780

y = 60.

Hope this helps

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$\large\boxed{\text{70 seconds}}$

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