Step-by-step explanation:
a)as a fraction 21/60 after we simplify its
= 7/20
as a decimal 21÷60
=0.35
in percentage; 0.35×100
=35%
b)0.18 as fraction 18/100
=9/50
ratio; 9:50
percentage:9/50×100%
=18%
c)82%as a fraction 82/100
=41/50
in ratio; 41:50
as a decimal: 82/100
0.82
Proportional is the relationship two numbers share. for instance, 3 : 6. for every three, there is six. for every one, there is two.
a table would be proportional if the top numbers and the bottom numbers corresponds, such as 1 on the top and 2 on the bottom. it would continue like 2 : 4, so on and so forth.
you can tell if fractions are proportional by using cross multiplication.
Answer:
Step-by-step explanation:
x^2 + 7 = 23
x^2 = 16
√x² = √16
x = 4
I believe it would be 50 degrees because 180-130=50 and this is a straight line.
i think 134 is supposed to throw you off. if no one else answers i would go with this.
let me know if this is correct, if you get the chance. i apologize in advance if i’m wrong.
Answer:
to verify this answer you need to substitute the answer you got for x
Step-by-step explanation:
7(3)-2=19
21-2=19
19=19
this means that you are correct
