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3 years ago

Mary Ann was born when her mother, Susan, was 32 years old. Which equation relates Mary Ann's age (r) to Susan's age (s)?

Mathematics

1 answer:

Jet001 [13]3 years ago

7 0

Mary ann was born : 1983 and has sixty four years aold and her dauther has thirty two . May bie I dont shure .

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The marginal cost of drilling an oil well depends on the depth at which you are drilling; drilling becomes more expensive, per m

sukhopar [10]

Answer:

4,250,000 riyals

Step-by-step explanation:

The total cost of drilling a 500-meter well is the sum of fixed costs (1,000,000 riyals) and variable costs.

By integrating the marginal cost function we get the variable costs function. Evaluating the variable costs function from 0 to 500 meters, gives us the total variable cost.

$C(x) =\int\limits^{500}_0 {C(x')} \, dx =\int\limits^{500}_0 {(4000 + 10x)} \, dx \\C(x)=4000x +5x^2 +c|^{500}_0\\C(500) - C(0) = (4000*500 +5*500^2 +c) - (4000*0 +5*0^2 +c)\\C(500) - C(0) = 3,250,000$

Total cost of drilling is:

$TC = 3,250,000 + 1,000,000\\TC = 4,250,000\ riyals$

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3 years ago

with the exception of the first house, all the houses on sequence lane have an address whose numerical portions are greater than

yanalaym [24]

Answer:

The address of Ainsley is 24 and that of Lane is 25.

Step-by-step explanation:

All the houses on sequence lane have an address whose numerical portions are greater than that of the prior house.

Now, if Ainsley and Lane are next-door neighbors and the sum of the numerical portions of their addresses is 49.

Let the Ainsley has the address with numeric portion x, then Lane has the address with numeric portion x + 1.

Therefore, x + (x + 1) = 49

⇒ 2x = 48

⇒ x = 24

So, the address of Ainsley is 24 and that of Lane is 25. (Answer)

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3 years ago

Convert 0.0855 to a fraction. Move numbers to the blanks to complete the fraction.

Elis [28]

Answer:

Step-by-step explanation:

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2 years ago

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Nate made 8 loaves of bread on Monday and 10 more on Tuesday. He gave an equal number to each of his 9 neighbors. How many loave

mars1129 [50]

Answer:

Step-by-step explanation:

8 + 10 = 18

18/9 = 2

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3 years ago

Which three programs or services are supported by taxes?

ratelena [41]

Answer:

Fire departments, Medicare, and public education.

Step-by-step explanation:

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3 years ago