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ArbitrLikvidat [17]
3 years ago
5

What is seven over twenty one take away one over twenty one in its simplest form

Mathematics
1 answer:
natulia [17]3 years ago
5 0
It would be 6/21 but simplified it would be 2/7
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How many pounds of Brazilian coffee costing $8 per pound must be mixed with 33 lbs of Columbia coffee costing $2 per pound to pr
vredina [299]

8x+66 = 5.5(x+33)

2.5x = 115.5

x = 46.2 lb

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3 0
3 years ago
Find the hcf*lcm for the number 105 and 125
Naily [24]

Answer:

15, 840.

Step-by-step explanation:

-HCM(GCM)

105's factor are 1, 3, 5, 7, <em>15</em>, 21, 35, 105.

125's factor are 1, 2, 3, 4, 5, 6, 8, 10, 12, <em>15</em>, 20, 24, 30, 40, 60, 120.

so, the answer is 15!

6 0
4 years ago
Evaluate 4x-3y+(7x-7y) for x = 6 and y =-1
kvv77 [185]
In order to do this, fill in the x and y variebles with their values, this will leave you with 4(6)-3(-1)+[7(6)-7(-1)], now multiply all of your numbers to get
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Hope this helps
3 0
4 years ago
A lemonade stand sold only small and large cups of lemonade on Tuesday. 3/5 of the cups sold were small and the rest were large.
telo118 [61]

Answer:

Choice B  7/15

Step-by-step explanation:

3/5 of the cups sold were small

2/5 of the cups sold were large

the large cups were sold for 7/6 as much as the small cups.

Tuesday's revenue for large cups was 7/6 * 2/5= 14/30= 7/15

7 0
3 years ago
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8 0
4 years ago
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