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DochEvi [55]
2 years ago
6

8. 360 jelly beans were in a jar. 40 of

Mathematics
1 answer:
Vanyuwa [196]2 years ago
5 0

Answer:

2 jelly beans were red

Step-by-step explanation:

40/360=20/180=10/90=(divide 5)2/18=1/9-simplifying

1/9/0.1111111111111111111

1/9 times 18 =2,

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What is the value of x in the figure?<br><br> Enter your answer in the box
Tcecarenko [31]

Answer:

x =68

Step-by-step explanation:

We know that x+22 = 90 because the sum of the two angles is a vertical angle to the right angle and vertical angles are equal.


x+22 =90

Subtract 22 from each side

x+22-22 = 90-22

x =68

3 0
3 years ago
Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the trian
mart [117]

Answer:

The area is 11317.51

Step-by-step explanation:

The sum of 2 sides must be less than the third side (largest side) for a triangle to be formed.

b+c<a

133+174 < 240

A triangle can be formed

To use Herons formula for the area

We find S = 1/2( a+b+c)

                 = 1/2(240+133+174)

                 =  1/2 (547)

                     = 273.5


Area = sqrt( S (S-a) (S-b)(S-c))

           sqrt((273.5 ) (273.5 -240) (273.5-133) (273.5-174))

           sqrt((273.5)(33.5) (140.5) (99.5))

            sqrt(128085964.4)

           11317.50699

The area is 11317.51

5 0
3 years ago
You are taking a typing class and can now type 30 words per minute.
Studentka2010 [4]

Answer:

The answer is 13 minutes or 13.33 minutes

Step-by-step explanation:

Oh my lord. Um. I honestly don't know how I would explain what I just did. It took me like 10 mins because I kept messing up.

7 0
2 years ago
Find the smallest positive integer n such that the digit sum of n is divisible by 5, and the digit sum of n +1 is also divisible
alisha [4.7K]

Answer:

139,999

Step-by-step explanation:

If the digit sum of n is divisible by 5, the digit sum of n+1 can't physically be divisble by 5, unless we utilise 9's at the end, this way whenever we take a number in the tens (i.e. 19), the n+1 will be 1 off being divisble, so if we take a number in the hundreds, (109, remember it must have as many 9's at the end as possible) the n+1 will be 2 off being divisble, so continuing this into the thousands being three, tenthousands being 4, the hundred thousands will be 5 off (or also divisble by 5). So if we stick a 1 in the beginning (for the lowest value), and fill the last digits with 9's, we by process of elimination realise that the tenthousands digit must be 3 such that the digit sum is divisible by 5, therefore we get 139,999

6 0
2 years ago
Isabel purchased a prepaid phone card for $20. Long-distance calls cost 18 cents a minute using this card. Isabel used her card
Mandarinka [93]

Answer:

20 - .07c = 17.13

20 - 17.13 = 2.87

2.87/7 = 41

Her call took 41 minutes

Step-by-step explanation:

7 0
3 years ago
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