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Liula [17]
3 years ago
12

If y varies inversely as x and y = 40 when x = 5, then the constant is

Mathematics
2 answers:
exis [7]3 years ago
8 0
The answer is b. 200

<span>If y varies inversely as x, then: y = c/x

We know:
y = 40
x = 5

y = c/x
c = y * x
c = 40 * 5
c = 200</span>
Lorico [155]3 years ago
4 0

Answer:

b. 200

Step-by-step explanation:

We have been given that y varies inversely as x.

Since we know that equation that represents the inversely proportional relation between y and x is:y=\frac{k}{x}, where,

k= Constant of proportionality.

Upon substituting our given values in above equation we will get,

40=\frac{k}{5}

Let us multiply both sides of our equation by 5.

40\times 5=\frac{k}{5}\times 5

200=k

Therefore, constant of proportionality for our given quantities is 200 and option b is the correct choice.

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max2010maxim [7]

Answer:

km per min

Step-by-step explanation:

6km ÷ 60 = 0.1

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100 mins means 1 hour 40 min

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2 years ago
23, 34, 27, 7, 30, 26, 28, 31, 34 What number is an outlier for the given data? A) 7 B) 23 C) 31 D) 34
marin [14]
An outlier for a data set is a number which stands out, meaning it is not close to the rest of the numbers. It can either be greater OR less than the rest of the numbers. 

<span>23, 34, 27, 7, 30, 26, 28, 31, 34

Which number stands out from this data set?

Yep! 7. This is because it is not close to the other numbers, whereas the other numbers are closer to each other.

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7 0
3 years ago
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16. The temperature of an oven at 0°C has an
butalik [34]

Answer:

300K

Step-by-step explanation:

T = t + 273 °C

T is absolute temperature

t = given temperature (27°C in this case)

Hence T = 27 °C + 273 °C (standard temperature)

T = 300K (since absolute temperature is measured in K from the question's preamble)

6 0
2 years ago
Help with this algebra question
Ksivusya [100]
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3 years ago
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docker41 [41]

Answer:

d.  x = -3

Step-by-step explanation:

<u />\sqrt{(x + 3)}÷ (x+8)(x-2) = 0

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3 years ago
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