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kkurt [141]
3 years ago
12

How many Positive Integers are there between 20 to 100 exclusively?

Mathematics
1 answer:
maksim [4K]3 years ago
7 0

Answer:

79

Step-by-step explanation:

There is a cool easy way to solve this kind of problem. If a range is given, and the entire range increases in incrememnts of 1, then you can find the number intergers inclusive by taking the first number and subtracting it from the last and adding 1. Since in this problem you want it exclusive, we can rewrite the range to 21-99.

99-21 +1 = 78 + 1 = 79

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A slug travels 3 centimetres in 3 seconds.A snail travels 6 centimetres in 6 seconds. Mai says, "The snail is traveling faster b
Naya [18.7K]

Answer:

No, Mai's reasoning is incorrect

Step-by-step explanation:

They are actually going the same speed because their centimeter per second ratio is the same. this can be found by dividing them both down, divide the slug by three and the snail by 6 and they both end up the same centimeter/second ratio. (1:1)

Sorry idk how to explain it good but do you get it?

3 0
4 years ago
Elisa needs to make a scale drawing of his school building for art class. If the building is 256.25 meters long, and Elisa scale
lana66690 [7]
We know that the building is 256.25 m long and that a ratio is 25 meters to 1 inch.
We have to divide the length of a building to 25:
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Answer: The building will be 10.25 inches long in the sketch.
7 0
4 years ago
Solve using elimination x-3y=7 and 2x-6y=12 *
dimulka [17.4K]

Step-by-step explanation:

(x-3y=7)2

2x-6y=14

- 2x-6y=12

__________

-12y=2

y=-1/6

No solutions

6 0
3 years ago
I am loosing and wasting points no one is answering my questions but they answer everyone else plz answer my questions I am dum
siniylev [52]

<u>We are given:</u>Distance covered by the fastest man in 9 seconds = 100m

<u>To Find: </u>The distance covered in 1 min 2 seconds or 62 seconds

<u>Finding the Speed of the man:</u>

We know that:

speed = distance covered / time taken

Speed = 100 / 9          <em>(we are given that he travels 100 m in 9 seconds)</em>

Speed = 11.11 m/s

<u>Distance travelled in 62 seconds:</u>

We know that:

distance covered = speed * time

<em>replacing the value of speed and time</em>

Distance = 11.11 * 62

Distance = 688.82 m

5 0
3 years ago
7 halves equal how many wholes
djyliett [7]
7 halve equal ho many wholes?

1 whole = 2 haves

7 ÷ 2 = 3.5
3 wholes are in 7 with 1 half left. 
7 0
3 years ago
Read 2 more answers
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