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Nonamiya [84]
3 years ago
14

Which of the relations below is a function?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer:

{(2,3), (3,4), (5,1), (6,2), (7,3)}

Step-by-step explanation:

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How do you do this Problem using factoring (fx)=4x^2-25?
Yanka [14]

Answer: (2x+5)(2x−5)

Step-by-step explanation:For me, what i like to do is to try divide the problem into two parts. For example in this problem, you would divide the 4x^2 into two 4x(since 4x+4x = 4x^2). Then 25 can be divide into into 5s (5x5=25). SInce you know that its a negative 25, you know that it has to be a negative on one of the sides. So the answer in factor form is (2x+5)(2x−5)

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Mai purchased a prepaid phone card for $20. Long distadnce calls cost 8 cents a minute using this card. Mai used her card only o
Leno4ka [110]

I'm not really good at math but I would like to help.

If each call is $.08, then the card can call last for 250 minutes.

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3 years ago
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△HES ≅ △PBN, HE = 3.9 cm, SB = 0.9 cm, and NS = 4.5 cm<br><br> What is the length of ES ?
Natali5045456 [20]
 ns +sb = 5.4 cm

sb = en so en can be plugged in for sb

therefor es = 5.4
3 0
3 years ago
Brainliest for best answer
-BARSIC- [3]

Answer:

Slope = -5/8

Step-by-step explanation:

Take 2 points from the graph where the line is. Point 1: (1 , 6). Point 2: (9 , 1).

We are going to use the formula for finding the slope of a line now.

y2 - y1/x2 - x1 = 1 - 6/9 - 1 = -5/8

Slope = -5/8

7 0
2 years ago
On Thursday the basketball coach ordered 12 pizzas for 36 players who came in for practice. How many pizzas does the coach need
Paraphin [41]

Answer:16

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For 36 players 12 pizzas are needed

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3 0
2 years ago
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