Question number 1)8m 12cm=_cm

Answers

Answer 1
Answer: 1 meter has 100 centimeter because centi means 100 so 100 centimeter=1 meter

8 meter=800 cm
12cm=12cm
800+12=812cm
8m 12cm=812cm
Answer 2
Answer: 812 centimeters hope it helps

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If 120 marks is 60% what is full marks

Answers

percentage is a value by a fraction of 100.
120 marks is equivalent to 60%
this means from the whole amount, 60 % of the whole amount is 120 marks
we need to find the full marks
if 60 % --- 120 
then 1 % --- (120)/(60)
full marks are 100 %
therefore 100 % - (120)/(60) * 100
100 %  --- 200 marks 
full marks are 200 marks 

since 120 is 60 percent we know that 2/3*120+120 will be 100 percent 

2/3*120=80
so 80+120=200

So, full marks is 200

2 friends want to equally share 4/3 feet of rope.What length of rope should ea friend get?

Answers

Each friend should get 2/3 feet of rope because 4/3 is the same thing as 1 1/3 so 4/3 / 2 = 2/3 or 1 1/3 / 2 = 2/3. Hope that helps!
Each friend would get 2/3 feet of rope

over the last 50 years, the average temperature has increased by 2.5 degrees worldwide. what is the rate of change in worldwide temperatures per year?

Answers

Answer:

0.05 degrees per year

Step-by-step explanation:

What numbers add up to 5 and multiply to 3?

Answers

None. The only factors of 3 are 3 and 1, and those do not add to equal 5.

2.5 is what percent of 5?

Answers

Answer:

0.125

Step-by-step explanation:

5(0.025) = 0.125

Answer:

2.5 is percent of 5

2.5÷100 × 5

=0.125

Name the vertices of a square to the right

Answers

there are 4 vertices of a square to the right.
There are 4 bevouse the right would be a square so a square has 4 sides