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Marianna [84]
3 years ago
8

Question in the photo

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0
It is B because 80%= 1/5 = 0.2 hope this helps
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Write a function to represent the set of ordered pairs.
77julia77 [94]

Answer:

Option C   f (x) = x^ 2 - 2

Step-by-step explanation:

Note that the relation describing the set of ordered pairs does not change at a costing rate

y_2 -y_1 = 7-2 = 5\\\\y_3 -y_2 = 14- 7 = 7\\\\y_4 - y_3 = 23- 14 = 9

Therefore the relationship is not linear.

However, the exchange rate y_n- y_{n-1} increases by a factor of 2 units when n increases 1 unit. This allows us to conclude that the relationship is quadratic

Note that the following ordered pairs belong to the function

y = x ^ 2

A = {(2, 4), (3, 9), (4, 16), (5, 25)}

The set of ordered pairs that we have is:

B = {(2, 2), (3, 7), (4, 16), (5, 23)}

Note that there is a similarity between both sets of ordered pairs.

In set B the values of y are always 2 units less than the values in y of the set A.

Then we deduce that since the function that models the set A is y = x ^ 2 then the function that contains the ordered pairs of the B set is:

y = x ^ 2 -2

The correct option is option C) f (x) = x^ 2 - 2

8 0
3 years ago
Use the divisibility rules to determine which of the following numbers 504 is divisible by. (Check all that apply.)
Snezhnost [94]
2 3 7 pls mark brainliest
4 0
3 years ago
Solve for the area of the combined shape
ludmilkaskok [199]

Answer:

47 cm²

Step-by-step explanation:

3(9 - 4) + 8 × 4 = 15 + 32 = 47

7 0
3 years ago
The trail to a waterfall is 4 1/5 miles long .The trail to an overlook is 1 2/3 times as long as the trail to the waterfall. Whi
erica [24]
I believe the correct answer to your question would be choice B. The trail is no more than 6 miles long.
4 0
4 years ago
Jazmine spins around 20 times in 2 minutes. what is the unit rate
tensa zangetsu [6.8K]

Answer:

10

Step-by-step explanation:

So the unit rate in this situation is how many times Jazmine spun around in 1 minute, since unit is always 1. To find the answer you divide 20 by 2 which is equal to 10. She spun around 10 times in 1 minute, and 20 times in 2 minutes.

8 0
2 years ago
Read 2 more answers
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