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Amanda [17]
3 years ago
8

Which of these relations are functions ?

Mathematics
2 answers:
Alex17521 [72]3 years ago
7 0
Your answer is 3. Y=2x-5
elixir [45]3 years ago
4 0

Answer:

A) y=5

C) y=2x-5  

D) 2y=x-4

Step-by-step explanation:

You might be interested in
What will be the sum of an integer and its additive inverse​
klemol [59]

Answer:

0

Step-by-step explanation:

4 is an integer

-4is its additive inverse

4+-4=0

5 1
3 years ago
What is the distance between points (4,7) and (-3,6) using the Pythagorean theorem
uysha [10]
A² + b² = c². 
Make a triangle with the points on a grid. 
One leg is 7 units and the other is 1 unit.
7² is 49 and 1² is 1. 
49 + 1 = 50 
√50 ≈ 7.071. 
Hope this helps!
6 0
3 years ago
What is the measure of the following ∠? m∠AOD? 40 80 120
stepladder [879]
120 is the answer im pretty sure
5 0
3 years ago
Read 2 more answers
A king cobra has a mass of 8.845 kilograms. Round the mass to the nearest tenth kilogram.
nevsk [136]

Answer:

8.8 Kilograms

Step-by-step explanation:

5 0
3 years ago
Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand. In the first part of the race, her av
s344n2d4d5 [400]

Nikita's distance from her for the second part of the race was 1.5 kilometers.

Since Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand, and in the first part of the race, her average speed was 8.75 kilometers per hour, while for the second part of the race, she started to get tired, so her average speed dropped to 6 kilometers per hour, to determine which expression represents Nikita's distance for the second part of the race the following calculation must be performed:

  • 8.75 x 0.65 + 6 x 0 = 5.68
  • 8.75 x 0.50 + 6 x 0.15 = 5.275
  • 8.75 x 0.40 + 6 x 0.25 = 5
  • 100 = 60
  • 40 = X
  • 40 x 60/100 = X
  • 24 = X
  • 39 - 24 = 15
  • 15 = 1/4 hour
  • 6/4 = 1.5

Therefore, Nikita's distance from her for the second part of the race was 1.5 kilometers.

Learn more about maths in brainly.com/question/22791791

6 0
2 years ago
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