31.01.2023

If p and q vary inversely and p is 29 when q is 16, determine q when p is equal to 116.

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09.07.2023, solved by verified expert
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q = 4

Step-by-step explanation:

given p and q vary inversely then the equation relating them is

p = If p and q vary inversely and p is 29 when q, №18010408, 31.01.2023 19:08 ← k is the constant of variation

to find k use the condition p = 29 when q = 16 , then

29 = If p and q vary inversely and p is 29 when q, №18010408, 31.01.2023 19:08 ( multiply both sides by 16 )

464 = k

p = If p and q vary inversely and p is 29 when q, №18010408, 31.01.2023 19:08 ← equation of variation

when p = 116 , then

116 = If p and q vary inversely and p is 29 when q, №18010408, 31.01.2023 19:08 ( multiply both sides by q )

116q = 464 ( divide both sides by 116 )

q = 4

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Mathematics
Step-by-step answer
P Answered by Master

q = 4

Step-by-step explanation:

given p and q vary inversely then the equation relating them is

p = \frac{k}{q} ← k is the constant of variation

to find k use the condition p = 29 when q = 16 , then

29 = \frac{k}{16} ( multiply both sides by 16 )

464 = k

p = \frac{464}{q} ← equation of variation

when p = 116 , then

116 = \frac{464}{q} ( multiply both sides by q )

116q = 464 ( divide both sides by 116 )

q = 4

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Explanation:
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1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
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Left wood=6 feet

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Mathematics
Step-by-step answer
P Answered by PhD

The wood before starting =12 feet

Left wood=6 feet

Wood used till now=12-6=6 feet

Picture frame built till now= 6/(3/4)

=8 pieces

Therefore, till now 8 pieces have been made.

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Step-by-step answer
P Answered by PhD

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first year students = (30/100 )*420

=126 students

Student who are not in first year = 420-126

=294 students  

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