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Otrada [13]
3 years ago
11

David is writing an explicit function for the arithmetic sequence:

Mathematics
2 answers:
mash [69]3 years ago
5 0

Answer:

C) n\geq 1

Step-by-step explanation:

pantera1 [17]3 years ago
4 0

Answer: C

n > 1 where n is an integer

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Answer:

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Step-by-step explanation:

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6 0
3 years ago
V=n/t+10<br> solve for n
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Answer:

Lets isolate

v-10=n/t

negate the right side

t(v-10)= n

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3 years ago
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6 0
2 years ago
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The diagram shows a triangle.<br><br> What is the value of v?
Andrej [43]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
If an open box has a square base and a volume of 115 in.3 and is constructed from a tin sheet, find the dimensions of the box, a
Karolina [17]
Let h = height of the box,
x = side length of the base.

Volume of the box is  V=x^{2} h = 115. 
So h = \frac{115}{ x^{2} }

Surface area of a box is S = 2(Width • Length + Length • Height + Height • Width).
So surface area of the box is
S = 2( x^{2}  + hx + hx)  \\ = 2 x^{2}  + 4hx  \\  = 2 x^{2}  + 4( \frac{115}{ x^{2} } )x
= 2 x^{2} + \frac{460}{x}
The surface are is supposed to be the minimum. So we'll need to find the first derivative of the surface area function and set it to zero.

S' = 4x- \frac{460}{ x^{2} }  = 0
4x = \frac{460}{ x^{2} }  \\  4x^{3} = 460  \\ x^{3} = 115  \\ x =  \sqrt[3]{115} = 4.86
Then h=  \frac{115}{4.86^{2}} = 4.87
So the box is 4.86 in. wide and 4.87 in. high. 

5 0
3 years ago
Read 2 more answers
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