Answer:
X : Z = 6 : 5
Step-by-step explanation:
X : Y = 3 : 1
Double both sides
X : Y = 6 : 2
Y : Z= 2 : 5
Combined
X : Y : Z = 6 : 2 : 5
Therefor
X : Z = 6 : 5
Answer:
1 /25.
Step-by-step explanation:
Using order of operations, we perform the multiplication first:
1/5 - 2/15 × 1/5 - 2/15
= 1/5 - 2/75 - 2/15 LCD of 5, 15 and 75 is 75 so we have:
15/75 - 2/75 - 10/75
= 13/75 - 10/75 = 3/75
= 1 /25 (answer).
If this is for E2020 the answer is
D)<span>No, his value of </span><span> should be positive because an even exponent indicates a positive value.
thats why it was wrong</span>
Answer:
y = 3
Step-by-step explanation:
3(2y-3) = -4y+21
6y-9 = -4y+21
10y-9 = 21
10y = 30
10y/10 = 30/10
y = 3
Answer:
0.0064
Step-by-step explanation: