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jasenka [17]
3 years ago
5

Trig. Ratios of perimeters and areas.

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0

Answer:

8:9

Step-by-step explanation:

ratio of areas = (ratio of sides)²

64/81 = (ratio of sides)²

Square root both sides

8/9 = ratio of sides

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How many feet are in 100meters
77julia77 [94]

Answer: 328 feet, 1 inch

Step-by-step explanation:

3.281 feet makes 1 meter

To solve the question, Multiply the value by 3.281:

100 meters = 100 x 3.281 feets

=328.1 feet

I hope this helps.

5 0
3 years ago
Christian sold tickets to the game . Good seats were $5 each and poor seats cost $2 each. 210 people attended and paid $660. How
Sholpan [36]
People who purchased good seats will be labeled as a
people who purchased poor seats will be labeled as b
therefore...
5a + 2b = 660
a + b = 210
Now, all that has to be done is for the system to be solved.
-2(a+b=210)

5a + 2b = 660
-2a - 2a = -420

3a=240
a= 80
*3 people purchased good seats.

Now we can plug that number in

5(80) + 2b = 660
400 + 2b = 660
2b = 260
b = 130
*130 people purchased poor seats

5 0
3 years ago
a tram moved downward 15 meters in 5 seconds at a constant rate. what was the change in the team's elevation each second?​
Sergio [31]

Answer:  3 meters downward per second

Step-by-step explanation:

If it moved downward 15 meters for every 5 seconds and to find the change in the elevation each second then divide the meters by 5.

15/5 =  3  

3 meters  per second

4 0
3 years ago
Which best describes this quadrilateral?
Vinil7 [7]
The answer to your question is B.Opposite sides are parallel.
4 0
3 years ago
Read 2 more answers
3f + 9 &lt; 21<br> Help please
fiasKO [112]

Answer:

f < 4

Step-by-step explanation:

3f + 9 < 21

21 - 9 = 12

12 / 3 = 4

4 0
3 years ago
Read 2 more answers
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