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ss7ja [257]
2 years ago
9

What is the speed in m/s of a car that travels 30 km in 20 m?

Mathematics
1 answer:
Aneli [31]2 years ago
3 0

Answer:

25m/s

Step-by-step explanation:

distance = 30km = 30× 1000m

time = 20 min = 20 × 60 = 1200sec

we know,

speed = distance/time taken

= 30000/1200

= 25m/s

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Simplify -2(-5n+6)+5(2-7n)
RideAnS [48]

Answer:

-25n - 2

Step-by-step explanation:

  1. 10n - 12 + 10 - 35n
  2. -25n - 2
5 0
3 years ago
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The local humane society has 5 cats, 9 dogs, and 2rabbits that need home. What fractional part of these pets are cats?
kykrilka [37]

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5/16 i think

Step-by-step explanation:

3 0
3 years ago
Identify the slop and the y-intercept of each line. Having trouble calculating the slop so I was wondering what I did wrong if I
dsp73
My teacher taught me rise over run. So, line A goes up one and to the side 4. That makes the slope 1/4. It's positive when the line goes up as you look to the right. C is a positive slope of 2. And D is - 2/3. Other than those two, you did a really good job!
4 0
4 years ago
Nancy shot a 16 on 4 holes of golf. At this rate, what can she expect her score to be if she plays 18 hole? Round to the nearest
Nataliya [291]

Answer:

108.

Step-by-step explanation:

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Multiplying by 18, we get ...

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Nancy can expect a score of 108 on 18 holes.

(if this isn't right, tell me and I will make sure to recheck my work :).

3 0
3 years ago
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Is this a function idk also what's the domain and range
masya89 [10]
This is a function since it passes the vertical line test. It is impossible to draw a single vertical line to have it pass through more than one point on the curve.

The domain is the set of numbers x such that x is between -3 and +3 excluding those endpoints. In other words, the domain is -3 < x < 3. We never actually get to either endpoint because of the vertical asymptotes.

The range is the set of all real numbers. It is possible to get any output we want depending on the specific input. 
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4 years ago
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