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guapka [62]
3 years ago
10

The weight M of an object on the moon varies directly as its weight E on earth. A person who weighs 149.76 l b on earth weighs 2

5.46 l b on the moon. How much would a 256.47 dash l b person weigh on the​ moon?
Mathematics
1 answer:
scoray [572]3 years ago
5 0

Answer:

Weight on the moon = 43.60 l b

Step-by-step explanation:

Let the weight of the object on the moon be M.

Let the weight of the object on the earth be E.

M α E

M = kE (where k = constant)

Make k the subject of the formula.

k = M/E

When M = 25.46 l b and E = 149.76 l b

k = 25.46/149.76

k = 0.17

Put k = 0.17 into the equation M = kE

Therefore;

M = 0.17E ( This shows the relationship between M and E)

When E = 256.47 l b

M = 0.17 * 256.47

M = 43.60 l b

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The daily demand for ice cream cones at a price of $1.20 per cone is 50 cones. At a price of $2.20 per cone, the demand is 30 co
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Answer:

<h2>The demand at a price of $1.50 per cone is 44 cones</h2>

Step-by-step explanation:

 let us apply the interpolation formula to solve this problem

we have

\frac{y-y1}{x-x1} =\frac{y2-y1}{x2-x1}

Now let us set the values to the notation above

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