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anyanavicka [17]
3 years ago
15

How do you round 9.246 to the nearest tenth?

Mathematics
1 answer:
Flauer [41]3 years ago
3 0
You look at the hundreths place (4) and if it is 5 or more you round the tenths place up. so the number is rounded to 9.2
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Trapezoid with congruent legs and congruent bases are?
TiliK225 [7]
By most definitions, if the bases are congruent, it is not a trapezoid, it is a parallelogram.
6 0
2 years ago
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21g = 84<br><br> A. g = 3<br><br> B. g = 4<br><br> C. g = 5
natta225 [31]
21g=84
g=84/21
g=4

The answer is B
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3 years ago
If 5 gallons cost $ 6.60 how much do 29 gallons of gasoline cost​
ikadub [295]

Answer:

Should be 38.28

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5 0
2 years ago
A rectangular storage container with an open top is to have a volume of 10 m3. the length of this base is twice the width. mater
BartSMP [9]
Refer to the diagram shown below.

The volume of the container is 10 m³, therefore
x*2x*h = 10
2x²h = 10
h = 5/x²        (1)

The base area is 2x² m².
The cost is $10 per m², therefore the cost of the base is
(2x²)*($10) = 20x²

The area of the sides is
2hx + 2(2xh) = 6hx = 6x*(5/x²) = 30/x m²
The cost is $6 per m², therefore the cost of the sides is
(30/x)*($6) = 180/x

The total cost is
C = 20x² + 180/x

The minimum cost is determined by C' = 0.
That is,
40x - 180/x² = 0
x³ = 180/40 = 4.5
x = 1.651
The second derivative of C is
C'' = 40 + 360/x³
C''(1.651) = 120 >0, so x = 1.651 m yields the minimum cost.

The total cost is
C = 20(1.651)² + 180/1.651 = $163.54

Answer: $163.54

7 0
3 years ago
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