If a barrel is 1/5 full and holds 16 litres how many litres will it hold when 1/2 full

Answers

Answer 1
Answer: 16*5 = 80, that's how many litres when it's full
80/2 = 40, that's how many litres when it's half full
It will hold 40 litres
Answer 2
Answer: You have to do 16 x 5 ( denominator ) which is 80. 80 is when it is full.
SO... you have to half that giving you 40. The answer is 40

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Factor completely: 3x^2 – 21x + 30A. 3(x – 2)(x – 5)
B. (3x – 2)(x – 15)
C. 2(x – 3)(x – 10)
D. (x – 2)(x – 5)

Answers

The answer is going to be A.

You first factor 3 out getting x^2-7x+10

Then you factor that so (x-2)(x-5)  then tack that 3 onto the end so 3(x-2)(x-5)
a because 3(x^2-7x+10)
3(x-2)(x-5) 

What is the mixed number for 4.8

Answers

it is 4(8)/(10) or (4)/(5)
4.8 in a mixed number is 4 4/5 because 4.8 in a fraction is 48/10, simplified 24/5. Then you divide 24 by 5 and it will give you 4 4/5! 
Hope This Helps :D

What is the probability of choosing an odd number if there are 10 odds out of 16 total?

Answers

Answer:
5/8
Steps:
10 odds out of 16
So,10/16 = (10 ÷ 2)/(16 ÷ 2) = 5/8

Find the circumference of a circle who's diameter is 4

Answers

C=pid
d=diameter
d=4
C=4pi

tada
if you want
aprox pi=3.14
C=12.56 units

Combine like terms: -4x - 10x

Answers

Answer:

-2x

Step-by-step explanation:


Can someone run the answers alot of points given

Answers

2. 112
3. 0.08
4. idk if there is a decimal between the 2 and 4 if there is your answer is 4.08 if there isn't your answer is 40.8
7. 0.04
8. 19.78