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olga55 [171]
3 years ago
15

Conrad bought 21 stamps from a hobby shop. He gave 3/7 of them to his brother. He put

Mathematics
1 answer:
Phantasy [73]3 years ago
5 0
He put 12 stamps in his collection.
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What 2 numbers add to 17 and multiply to -168?
nekit [7.7K]
A) x + y = 17
B) x * y = -168

y = -168/x then inputting this into A)

x + -168/x = 17
x^2 -168 -17x = 0

x = 24 and x = -7

7 0
2 years ago
A playground is rectangular with a length of 24 miles. If the area of the playground is 812 square miles, what is its width? Ans
soldi70 [24.7K]

Answer:

33(5/6) sq miles

Step-by-step explanation:

Area = LxW

812 = 24xW

Divide by 24

W = 33.8333333 ( 33 (5/6)

8 is non repeating

3 is repeating

For nominator subtract the non repeating    (83-8 = 75)

For  denominator :  one 9 for each non repeating,one zero for each repeating (only 3 is repeating,then one zero)

  75/90  = 5/6

3 0
3 years ago
Help please due today
Deffense [45]
The answer is 2 I believe
5 0
3 years ago
The petrol tank at the local service station has a capacity of 6000L. It is 66.06 percent full. How many litres of petrol are ne
Rina8888 [55]


Since the tank is 66.06% full, it is (100 - 66.06) = 33.94% empty.

Its capacity is 6,000L.  So, in order to fill it to capacity, the service station
must order  33.94% of 6,000L .

               33.94% = 0.3394
               "of" means "times"

0.3394 x 6,000L = <em>2,036.4 liters</em> needed, to fill the tank to the rim.


7 0
3 years ago
What number make the sentence true? (7+4)+6( +6
Arte-miy333 [17]
Was this typed right????????????
6 0
3 years ago
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