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True [87]
3 years ago
5

What is 6.89 divided by 2 ????????

Mathematics
2 answers:
Ierofanga [76]3 years ago
8 0
The answer is 3.445.
Firdavs [7]3 years ago
6 0
The correct answer is 3.445 , but if you round it you get 3.45
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2 and 5...................... hope I helped
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Teacher has 1p she buys 10 boxes worth 10p how much does she have to pay
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To the nearest hundredth, what is the length of line segment AB?
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3 years ago
Riley is planning to plant a lawn in his yard. He will need 9 pounds of grass seed. He wants to mix Bermuda seed that costs $4.8
tankabanditka [31]

Given that total number of pounds of grass seed needed = 9

Let number of pounds of Bermuda seeds used = x

Let number of pounds of Fescue seeds used = y

Then sum of both gives equation:

x+y=9

or y=9-x...(i)


Given that cost of 1 pound of Bermuda seed = $4.80

Then cost of x pound of Bermuda seed = $4.80x


Given that cost of 1 pound of Fescue seed = $3.50

Then cost of y pound of Fescue seed = $3.50y

total cost will be 4.80x+3.50y



Given that cost of 1 pound of mix seed = $4.02

Then cost of 9 pound of mix seed = $4.02*9


combining all three parts, we get equation:

4.80x+3.50y=4.02*9

4.80x+3.50y=36.18...(ii)

plug (i) into (ii)

4.80x+3.50y=36.18

4.80x+3.50(9-x)=36.18

4.80x+31.5-3.50x=36.18

4.80x-3.50x=36.18-31.5

1.3x=4.68

x=3.6

Now plug x=3.6 into (i)

y=9-x=9-3.6=5.4


Hence final answer is given by:

Let number of pounds of Bermuda seeds he should buy = 3.6 pounds

Let number of pounds of Fescue seeds he should buy = 5.4 pounds


5 0
3 years ago
Consider the system of equations
makvit [3.9K]
Addition property of equality
5 0
3 years ago
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