2 years ago

72 is what percent of80

Mathematics

2 answers:

snow_lady [41]2 years ago

7 0

72/80=0.9

0.9*100=9

9%

inysia [295]2 years ago

6 0

The answer is: 72 is 90% of 80

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2 years ago

A=12h(b1+b2) solve for b1 please.

Papessa [141]

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3 years ago

Add the following rational number =<br> 3/11 and -5/12

tatiyna

Answer:

-19/132

Step-by-step explanation:

To add fractions, find the lowest common multiple of the two denominators and multiply accordingly to make both denominators the same. In this case, the lowest common multiple of 11 and 12 is 132, so we need to multiply the first number by 12 and the second by 11. So we get $\frac{36}{132} + (-\frac{55}{132} )$ = $\frac{36-55}{132}$ = $\frac{-19}{32}$ $-\frac{19}{132}$

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2 years ago

I need an explanation how to do this ASAP I will give you 20 POINTS!!

mars1129 [50]

For the first digit you are choosing from 2 digits
for the second digit you are choosing from 2 digits
for the third digit you are choosing from 2 digits
2*2*2=8
111
110
011
101
000
001
100
010
However......
A number doesn't usually start with a 0 or 0s.
Therefore, if you want 3-digit numbers and not just permutations using 0 and 1, then you must eliminate
011, 000, 001, and 010
Seeing that the first digit can't be 0, you choose from 1, then 2, and then 2 digits again; 1*2*2=4 numbers
You choose which answer best suits your problem.

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2 years ago

I’ll mark ya brainless who can help?

lbvjy [14]

Answer:

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers