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gtnhenbr [62]
3 years ago
7

I need help 2t<-4 or 7t>49

Mathematics
1 answer:
grin007 [14]3 years ago
8 0
2t<-4 divide both sides by 2

t<-2

...

7t>49  divide both sides by 7

t>7

So t=(-oo,-2) and t=(7,+oo)

t=(-oo,-2)U(7,+oo)
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Answer:

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Step-by-step explanation:

7 0
3 years ago
5/6, 1/4, and 2/3 yard. Needs 1 yd of cable
mixer [17]
1. So first of all we have to divide the 3 fractions into decimals to get a decimal to compare. So 5/6 is the same as 5 divided by 6 which is .83 bar and so on...

5/6= .83 bar
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So 5/6 and 2/3 are closer to one.




2. The two shortest pieces are 2/3 and 1/4 so you se 1/4 + 2/3. Let’s get a common denominator for these fractions. The common denominator is 12. So multiply 1/4 • 3 to get 3/12 and multiply 2/3 by • 4 to get 8/12. Add them together and you get 11/12. So he would need 1/12 more cable or 0.083 bar.


3. Now we have to find a common denominator for all of them. The common denominator is 12 again. Multiply 5/6•2 and then you get 10/12, then add 10/12 +2/12(from 1/4) and then you get leftover with 9/12 or 3/4 more wire.
3 0
2 years ago
Express (13/15 - 7/10) as a percentage​
sasho [114]

Answer:

(13/15 - 7/10)

take lcm

<u>13*2 - 7*3</u>    = 5/30*100= 50/3%

    30

Step-by-step explanation:

8 0
2 years ago
6√18 + 3√50 simply ?
-BARSIC- [3]
33square2  i think that is what it is
4 0
3 years ago
Read 2 more answers
The repeating decimal for 3/9
ValentinkaMS [17]

For 3/9, the repeating decimal is .3

8 0
3 years ago
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