X=12 because say if we choose the base line as our example then the baseline for the small triangle is 7 and the baseline for the bigger triangle is 28. To get from 7 to 28 you have to times by 4 , so the triangle has been enlarged by 4. If we get the side where it says 25 (for the smaller triangle) we can times it by 4 to get 100. Our equation is now 100=6x+28. To work this equation out you do -28 for both sides which equals to 72=6x.
Then we divide by 6 on both sides to get our answer as 12=x
Hope this helped, ask me if you are confused by anything that I just said.
Answer:
Step-by-step explanation:
A=number Adult tickets;S=A+74= number Student tickets
Total tickets=adult tickets + student tickets
724=A+(A+74)
724=2A+74 Subtract 74 from each side
650=2A divide each side by 2
325=A ANSWER 1: There were 325 Adult tickets sold
Answer:
Both sports = 15
Step-by-step explanation:
Remark
What an interesting question. At first I didn't think it was possible. Then I saw the word only. That made all the difference in the world.
Givens
Football only = 35
Volleyball only = 15
Ratio = 5/3
Equation
Let the number of students who play both = x
Volleyball / Football = (x + 15) /(x + 35) = 3/5
Solution
(x + 15) / (x + 35) = 3/5 Cross multiply
5*(x + 15) = 3(x + 35) Remove the brackets
5x + 75 = 3x + 105 Subtract 3x from both sides
<u>3x 3x</u>
2x + 75 = 105 Subtract 75 from both sides
<u> - 75 -75 </u>
2x = 30 Divide by 2
2x/2 = 30/2
x = 15
15 people play both sports.
Answer:
20.00+12.76 would give you that sum
Step-by-step explanation:
Keeping in mind that complex solutions never come all by their lonesome, they always come with their sister
thus, "i" is not there all by herself, her sister is there too, namely the conjugate
so
i = 0+i and thus its conjugate sister will be 0-i
thus