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STatiana [176]
3 years ago
11

Determine whether y varies directly with x. If so, find the constant of variation and write the equation.

Mathematics
1 answer:
Masja [62]3 years ago
5 0

Answer:

Last option

Step-by-step explanation:

As per graph,

  • this is linear function
  • x=3 ⇒ y=1
  • x=-3 ⇒ y=-1
  • x=0 ⇒ y=0

Then y= 1/3 x

so answer is yes; k=1/3 and y=1/3x

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Light travels 1.08 x 10 9 kilometers in one hour. How far does it travel in 2 hours?
ozzi

The distance traveled by the light in 2 hours is 2.16×10⁹ km.

<h3 /><h3>Distance:</h3>

This is the total length of space between two points covered by an object. Distance has no regard for direction as it is termed a scalar quantity. The S.I unit of distance is meter(m).

To calculate the distance traveled by the light in 2 hours, first, we need to calculate the speed of the light.

Formula:

  • S = d/t................. equation 1

Where:

  • S = speed
  • d = distance travelled
  • t = time

From the question,

Given:

  • d = 1.08×10⁹ km
  • t = 1 hour

Therefore,

  • s = 1.08×10⁹/1
  • s = 1.08×10⁹ km/h

The distance traveled in 2 hours is

  • d = 2×1.08×10⁹
  • d = 2.16×10⁹ km

Hence, the distance traveled by the light in 2 hours is 2.16×10⁹ km

Learn more about distance here: brainly.com/question/23848540

6 0
2 years ago
What is the answer for 23x9+(91+7)
mestny [16]

Answer:

305

Step-by-step explanation:

23×9+98

207+98

305

3 0
3 years ago
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Sergio039 [100]
The answer is c (1,R)
8 0
4 years ago
The value of a dirt bike decreases by 15% each year. If you purchased this dirt bike today for $500, to the nearest dollar how m
guapka [62]
$500 x 0.85 = 425
$425 x 0.85 = 361.25
$361.25 x 0.85 = 307.10 
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$261 x 0.85 = 221.85 
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4 years ago
6 dollars for 3 cans of tuna
maw [93]

Answer:

2 dollars for one can of tuna

Step-by-step explanation:

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