Answer:
3
Step-by-step explanation:
Answer:
Step-by-step explanation:
Exponent law:
First convert radical form to exponent form and then apply exponent law.
Answer:
21 Kg
Step-by-step explanation:
Divide 56 Kg by 8 and multiply the answer by 3 , that is
56 Kg ÷ 8 = 7 Kg , then
3 × 7Kg = 21 Kg
Answer:
5x^2 -3x +9
Step-by-step explanation:
(5x2 + 7) - (3x - 2)
Distribute the minus sign
5x^2 +7 -3x +2
Combine like terms
5x^2 -3x +9
Two decimals
8.4
5.7
Now add
Those two decimals to get 14.1
8.4
+5.7
14.1
Hope this helps you