Answer:

Step-by-step explanation:
Remove parentheses

cancel equal terms

divide both sides by

answer

Answer:
8 days.
Step-by-step explanation:
There are 15 people after the 3 have joined so by proportion the number of days that the supplies will last is 12/15 ( = 4/5) of the ten days.
= 4*10 / 5
= 8 days.
Answer:
y = √(x - 2) / 2
Step-by-step explanation:
y = 2x^2 + 2.....switch ur x and y and solve for y
x = 2y^2 + 2
x - 2 = 2y^2 ...divide both sides by 2
(x - 2) / 2 = y^2...now take the sqrt of both sides, eliminating the ^2
(√ (x - 2) / 2) = y
Answer:
1.2 kg
Step-by-step explanation:
filling the jug up half way adds 1.4 kg to the weight.
2 x 1.4 - 2.8 kg of marbles when full
4-2.8 = 1.2 kg
Answer:
4,680
Step-by-step explanation:
- 45 × 104 = 4,680
I hope this helps!