Answer:
- 3. 152
- 4. $1479
- 5. 36 students
- 6. 30%
Step-by-step explanation:
<h3>Question 3</h3>
<u>Members not using stepper or treadmill:</u>
<u>38% of 400 is:</u>
<h3>Question 4</h3>
- Amount of loan $24650
- Interest rate 2%
- Time 2 years
<u>Amount of interest after 2 years:</u>
<h3>Question 5</h3>
Total number of students in the poll is 150
<u>Students choosing tacos and corn dogs:</u>
<u>24% in number:</u>
<u>Note</u>. It says "how many more students" but its not applicable as there is nothing to compare. Consult this with your teacher.
<h3>Question 6</h3>
Normal cost of television = $500
Reduced cost = $350
<u>Cost reduction:</u>
<u>Percent reduction:</u>
lets x represent the number
the answer will be : 2x-9
9514 1404 393
Answer:
- EF = DE = 44
- FG = DG = 36
- FH = DF = 31
Step-by-step explanation:
Since EH is the perpendicular bisector of DF, ∆DEF is isosceles and sides DE and EF have the same length.
DE = EF
(9x -1) = (7x +9)
2x = 10 . . . . . . . add 1-7x
x = 5 . . . . . . . . . divide by 2
__
Similarly, marked sides GD and GF are the same length, so ...
GD = GF
(10y -4) = (7y +8)
3y = 12 . . . . . . . . . . add 4-7y
y = 4 . . . . . . . . . divide by 3
__
Now, we have what we need to calculate the side lengths.
EF = 7x+9 = 7·5 +9 = 44
DE = 9x-1 = 9·4 -1 = 44
FG = 7y+8 = 7·4 +8 = 36
DG = 10y-4 = 10·4 -4 = 36
FH = 3x+4y = 3·5 +4·4 = 31
DF = FH = 31
Ted:
4,000 @ 4.5% interest compounded annually
Alan:
1,000 @ 6% interest compounded annually
Rule of 72: divide 72 by the compound annual interest rate
Ted: 72/4.5% = 16 years
Alan: 72/6% = 12 years
<span>Alan will win. It will take 12 years.</span>
