Answer:
2/3 : 4/5 or 0.67 : 0.8
Step-by-step explanation:
it's already in its lowest form.
Answer:

Step-by-step explanation:

<u>Expand the terms in the bracket</u>
That's

<u>Add 3y to both sides of the equation</u>

Subtract 7 from both sides by the equation

<u>Divide both sides by - 4</u>

We have the final answer as

Hope this helps you
Answer:
0.44 (44%) of the students are boys.
Step-by-step explanation:
Hope this helps!
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Answer:
s=√7-1
s=-(√7+1)
Step-by-step explanation:
s^2+2s-6=0
or,s^2+2.s.1+1^2=6+1^2
or,(s+1)^2=6+1
or,(s+1)^2=7
or,(s+1)^2=(±√7)^2
or,s+1=±√7
either,
s=√7-1
or,
s=-(√7+1)
45 feet. you just need to find the perimeter which is just adding all the sides. 8+15+12+10=45