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natka813 [3]
3 years ago
12

Solving equations with rational numbers

Mathematics
1 answer:
shusha [124]3 years ago
8 0
What is your question this makes no sense
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Which of the following terms can be combined in this expression? -13 - x/5 + 6.2y + 20.5x - 3/8y
dsp73
C. 6.2g can be combined with -3/8y. This is because they both end in ‘y’.
3 0
3 years ago
Read 2 more answers
There are 16 girls and 20 boys in the school band. Express an equivalent ratio of boys to total number of students in the school
Alex17521 [72]

Answer:

4:5

Step-by-step explanation:

half of 16 is 8, and half of 8 is 4

and half of 20 is 10, and half of 10 is 5

hope i helped man

8 0
3 years ago
Sylvester wants his hand to have a sum of -1. Click on three cards that Sylvester could choose. . -9 , 5 , -7, 1 , 4 , -2 , 3​
irina1246 [14]
5,3 and -9 equal -1..
8 0
3 years ago
Express 15.16 as a mixed number
kap26 [50]
If this is not a typo, and you mean 15.16 as in 15 and 16 hundredths, we can express this into a mixed number.
Mixed numbers are a whole number with the remainder of that number as a fraction.
For example, 1.25 as a decimal = 1 1/4 as a mixed number.
Since we already have our whole number, 15, we need to know what 16 hundredths is simplified as a fraction.
Currently, our mixed number is 15 16/100.
To simplify this, we need to find a common factor that 16 and 100 share.
Since they are both even numbers, let's divide by 2.
16/2 = 8
100/2 = 50.
Our new mixed number is 15 8/50.
Currently our fraction is still even, so divide by 2 again.
8/2 = 4
50/2 = 25
Your new mixed number is 15 4/25.
4 and 25 have no common factors, so the fraction is simplified.
Your answer is:
15.16 is 15 4/25 as a mixed number.
I hope this helps!
4 0
3 years ago
Read 2 more answers
. If f(x) = 3x - x, what is the value of f(7 - 2)?
kifflom [539]

Answer:

10

Step-by-step explanation:

f(x) =3x-x=2x,

f(7-2)=f(5)= 2*5=10

4 0
3 years ago
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