225 , 1500 / 100 = 15 , 15 * 3 = 45, 45 * 5 = 225
Answer:
6. b. 50
7. d. 12
Step-by-step explanation:
6. 80% is equal to 0.8.
0.8x =40.
Divide 0.8 by 40 to get x.
x=50.
7. If he needs 3 eggs for 30 cookies, we divide 120 by 30 to get 4.
We multiply 4*3 to find the total amount of eggs needed.
4*3= 12
Answer:
Step-by-step explanation:
To add or subtract square roots, you must be taking the square roots of the same number. We need to change square root of 8 into a number times square root of 2.
Now that we have two square roots of 2, we add them like we add like terms.
Multiply the expressions.
90
x
3
−
129
x
2
+
13
x
+
22
The answer to the question above is no