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notka56 [123]
2 years ago
7

P is inversely proportional to V. When V = 8, P = 5 Find a formula for Pin terms of V.

Mathematics
2 answers:
Akimi4 [234]2 years ago
7 0

Answer:

P = 40/V.

Step-by-step explanation:

P = k/V where k is a constant

Substituting the given values:

5 = k/8

k = 5*8 = 40.

So the formula is:

P = 40/V

AveGali [126]2 years ago
6 0

Answer:

P = \frac{40}{V}

Step-by-step explanation:

given P is inversely proportional to V then the equation relating them is

P = \frac{k}{V}

to find k use the condition when V = 8 , P = 5 , then

5 = \frac{k}{8} ( multiply both sides by 8 to clear the fraction )

40 = k

P = \frac{40}{V} ← equation of proportion

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Two numbers total 31 and have a difference of 9. Find the two numbers.
Eva8 [605]

Answer:

20, 11

Step-by-step explanation:

x=first Number

x-9=second number

above two added together=31 or

x+(x-9)=31

2x=40

x=20 first number

x-9=second number

20-9=11 second number

20 (first number) + 11 (second number)=31

31=31

5 0
2 years ago
Im in no rush just need help
Romashka [77]

Answer:

1. Right: pointing downwards

Left: pointing upwards

2. Right: pointing upwards

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3. Right: pointing downwards

Left: pointing upwards

4a. True

4b. True

Step-by-step explanation:

When the leading coefficient is negative the equation will either open downwards or the y-values will decrease as the x-values increase. The opposite is true for when the leading coefficient is positive. When the degree is odd one end will point downwards while the other points upwards. When the degree is even, both ends point in the same direction.

I hope this helps :)

5 0
2 years ago
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Vitek1552 [10]

Answer:

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7 0
3 years ago
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Which statement is true about this argument? premises: if an angle measure is greater than 90°, then the angle is an obtuse angl
vazorg [7]
Answer: option d. the argument is valid by the law of detachment.

The law of detachment consists in make a conlcusion in this way:

Premise 1) a => b
Premise 2) a is true

Conclusion: Then, b is true

Note: the order of the premises 1 and 2 does not modifiy the argument.

IN this case:

Premise 1) angle > 90 => obtuse

Premise 2) angle = 102 [i.e. it is true that angle > 90]]

Conclusion: it is true that angle is obtuse

3 0
3 years ago
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Andru [333]

Answer:

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Step-by-step explanation:

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x = 1/3

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4 0
2 years ago
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