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Sedbober [7]
3 years ago
8

The sum of 40 consecutive integers is 100. what is the smallest of these 40 integers

Mathematics
1 answer:
k0ka [10]3 years ago
3 0
Easy Way
100÷40=2.5 is exact middle of the integers so 20 integers are above 2.5 and 20 integers are below

22..21..20..19..18..17..16..15..14..13..12..11..10..9..8..7...6..5..4..3

2.5

2..1..0..-1..-2..-3..-4..-5..-6..-7..-8..-9..-10..-11..-12..-13..-14..-15..-16..-17..

This link will show you different equations
http://web2.0calc.com/questions/the-sum-of-40-consecutive-integers-is-100-what-is-the-smallest-of-these-40-integers
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the cost to rent a photo booth for a party is a one time fee of $25 plus $30 per hour the photo booth is running. If the photo b
sdas [7]

Answer: 25+30h=180

Step-by-step explanation:

The one time fee is 25 and plus the $30 per hour so you have 25 plus $30 h= hour equals 180. I took the a test and got it right btw.

6 0
3 years ago
The length of a planet's orbit around a star is approximately 17,650,000 km.
daser333 [38]

Answer:

1150 km/hr

Step-by-step explanation:

Formula for Average Speed is given as = Distance in Kilometers/ Time in Hours

In the question we are given the following parameters.

The length of a planet's orbit around a star = Distance = 17,650,000 km.

Time taken to complete a full orbit = 640 Earth days

Step 1

We need to convert the time in days to hours

1 Earth day = 24 hours

640 Earth days =

We cross multiply

640 Earth days × 24 hours

= 15360 hours.

Step 2

Average Speed = Distance in Kilometers/ Time in Hours

Average Speed = 17,650,000 km. /15360 hours

Average Speed = 1149.0885417 km/hr

Approximately to 3 significant figures=

1150 km/hr

Therefore, the planets average speed in kmh-1 to 3sf is 1150 km/hr

8 0
3 years ago
A mountain climber starts a climb at an elevation of 453 feet above sea level. At his first rest stop he has climbed 162 feet, a
Alenkinab [10]

They started at 453, then climbed 162, so now they are at:

453 + 162 = 615 feet.

They then cllmb another 207 feet to get to:

615 + 207 = 822 feet.

They then descend ( climb down) 285 feet.

822 - 285 = 537 feet.

Now they need to get back tot he original 453,

so they have to descend:

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The answer is C.

7 0
3 years ago
the radius if a sphere r is given by the formula below where s is the surface area if the sphere/ aspherical ballon has a maxium
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The surface in medium is connected to both y and e
3 0
2 years ago
Convert 17.47° to degrees, minutes, and seconds..
never [62]
For this question, this might help.
17.47 degrees is 17 + 0.47 degrees
If you are using minutes instead of decimal degrees, multiply the fraction by 60. So,

0.47 degrees * 60 minutes per degree= 28.2 minutes

Now you have 17 degrees 28.2 minutes but you can replace fractions of a minute with seconds
 
0.2 minutes * 60 seconds per minute= 12 seconds

So the answer for 17.47º is equal to 17º 28' 12".

I hope this helps.

7 0
3 years ago
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