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AleksandrR [38]
3 years ago
9

Can solve this please??

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
5 0

The first one about the sum is 336 because you have to multiply 84 by 4

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Suppose that the cost of drilling x feet for an oil well is C=f(x) dollars. a) What are the units of f'(x)? b) In practical term
antiseptic1488 [7]
A. The term "units" refers to the measurements in the original question or problem. When looking at the question, the units we are measuring are dollars/feet. 
B. In this case, the f'(x) means we are looking for the cost (in dollars) to drill the next foot down. 
C. Since the cost increases the more feet we drill down, the sign of f'(x) is positive. 
6 0
3 years ago
Sydney saved $3,000 last year. She saved $600 in the month of January. What percent of the total amount of money she saved last
const2013 [10]

Answer:

20%

Step-by-step explanation:

all you do in this is divide the smaller nymber by the bigger number:

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8 0
3 years ago
Do any of y'all know how to do this I'm so confused and I need help ​plz show ur work btw
uranmaximum [27]

Answer:

I don't know the answer to the first one, but the second one's answer is 8.625

Step-by-step explanation:

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4 0
2 years ago
Explain why it is necessary to rename 4 1/4 if you subtract 3/4 from it
Alik [6]
To subtract a number from another number, they must be the same type. 4 1/4 is a mixed number; 3/4 is a fraction. thus, 4 1/4 must be converted into fractional form go subract a fraction (3/4) from it.
5 0
3 years ago
Explain how the pythagorean theorem is used to derive the distance formula​
kenny6666 [7]

Answer:

In the Pythagorean Theorem, a right triangles hypotenuse is found by a^2 +b^2= c^2. The distance formula is basically the same thing. With two points, a right triangle can be formed and the slop would be the hypotenuse. That's where the distance formula comes from

Step-by-step explanation:

3 0
3 years ago
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