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Sliva [168]
3 years ago
10

One pound of grass sead covers 400 square feet of field. How many pounds of seed is needed for the entire field? (round to the n

earest whole number)
Mathematics
1 answer:
KengaRu [80]3 years ago
5 0

Answer:

165

Step-by-step explanation: find the area or the field     A=r^2

the radius is 290/2=145ft

A=145* 145* 3.14= 66018.5 sqr ft

66018.5 / 400= 165

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2/2

Step-by-step explanation:

I think so, because 14/2 = 7 and 18/2 = 9

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3 years ago
Find the Range and Domain of the Binary relations
sukhopar [10]

Answer:

A = {3,5,6}

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<u><em>A x B</em></u> = {(3,1),(3,3),(5,1),(5,3),(6,1),(6,3)}

Domain of A x B = (The x figures in ascending order)

=> {3,5,6}     (Figures repeating more than once must be written only 1 time)

Range of A x B = (The y figures in ascending order)

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<u><em>B x A </em></u>= {(1,3),(3,3),(1,5),(3,5),(1,6),(3,6)}

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8 0
3 years ago
An item has a listed price of $40. If the sales tax rate is 7%, how much is the sales tax (in dollars)?
labwork [276]
The tax is $2.80 but the total is $42.80
6 0
3 years ago
A glass is 4/7 full . Then 70cm3 of orange juice is poured in . The glass is now 2/4 full. What is the total volume of the glss
Korolek [52]
Let 
x--------------> total volume of a glass

we know that
(4/7)x-70=(2/4)x------------> (4/7)x-70=(1/2)x--------> 2*(4/7)x-2*70=x
(8/7)x-140=x

<span>multiplied by 7 the expresion
</span>7*(8/7)x-7*140=7*x-----------> 8x-980=7x--------> x=980 cm³

the answer is 
<span>the total volume of the glass is 980 cm</span>³
3 0
3 years ago
Read 2 more answers
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