Answer:
10.
Step-by-step explanation:
I am assuming that z is a whole number.
160z = x^2
z = x^2/ 160.
160 = 2*2*2*2*2*5
To make this a perfect square we multiply by 2 * 5
- this gives us 1600.
z = 1600/160 = 10.
F and D is the answer
hope this helps
have a good day
Answer:
option 4
Step-by-step explanation:
Using the rule of radicals
×
= 
Given
(2 - 5
) 3
← distribute parenthesis by 3
= 6
- 15
= 6
- 15
= 6
- 15(
×
)
= 6
- 15(2
)
= 6
- 30
Answer:
B
Step-by-step explanation:
eliminating the y-term
(y + z = 6) × -5
A: 3 times as many
Since 13 multiplied by 3 is 39, multiply 4 and 3 to get 12