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blsea [12.9K]
3 years ago
7

1. The right section of a prism is in the form of a regular hexagon whose apothem measures 5 cm. If the lateral area is 360cm2,

what is the length of the lateral edge of the prism?
Mathematics
1 answer:
ad-work [718]3 years ago
3 0
This is the concept of geometry, the length of the lateral edge of the prism will be given by:
Length=[lateral area]/[area of the hexagon]
lateral area=360cm^2
area of hexagon will be:
Area=a^2ntan(180/n)
where;
n=number of sides
a=apothem size
A=5^2*6tan(180/6)
A=86.60
Thus the length will be:
length=360/86.6
=4.2 cm
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The cost, in dollars, of producing x belts is given by C(x) = 634 + 18x - 0.071 x^2. Find the rate at which average cost is chan
o-na [289]

Answer:

When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.

Step-by-step explanation:

The cost of producing x belts is given by:

C(x) = 634 + 18x - 0.071x^{2}

Find the rate at which average cost is changing when 324 belts have been produced.

This is C'(324). So

C(x) = 634 + 18x - 0.071x^{2}

C'(x) = -0.142x + 18

C'(324) = -28

So the correct answer is:

When 324 belts have been produced, the average cost is changing at -28 dollars for each additional belt.

5 0
3 years ago
How old will Susan be 5 years from now?
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7 0
2 years ago
What is the amplitude of the sinusoidal function?
saul85 [17]

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8 0
2 years ago
Read 2 more answers
Can someone please explain how to solve this? And give me the answer?! THANK U !
Lyrx [107]

we know the segment QP is an angle bisector, namely it divides ∡SQR into two equal angles, thus ∡1 = ∡2, and ∡SQR = ∡1 + ∡2.

\bf \begin{cases} \measuredangle SQR = \measuredangle 1 + \measuredangle 2\\\\ \measuredangle 2 = \measuredangle 1 = 5x-7 \end{cases}\qquad \qquad \stackrel{\measuredangle SQR}{7x+13} = (\stackrel{\measuredangle 1}{5x-7})+(\stackrel{\measuredangle 2}{5x-7}) \\\\\\ 7x+13 = 10x-14\implies 13=3x-14\implies 27=3x \\\\\\ \cfrac{27}{3}=x\implies 9=x \\\\[-0.35em] ~\dotfill\\\\ \measuredangle SQR = 7(9)+13\implies \measuredangle SQR = 76

4 0
3 years ago
Factor the polynomial.<br><br> X2-13x+30
Svetllana [295]

Answer:

<h2>\ \boxed{(x - 3)(x - 10)}</h2>

Step-by-step explanation:

{x}^{2}  - 13x  + 30

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Factor out x from the expression

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Factor out -10 from the expression

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Factor out x-3 from the expression

(x - 3)(x - 10)

Hope I helped!

Best regards!!

4 0
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