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Pavlova-9 [17]
3 years ago
8

How much sit-ups can you do in 1 minutes?​

Mathematics
1 answer:
galben [10]3 years ago
8 0
I can do like 42, my highest was 54 though
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A manufacturer produces bolts of a fabric with a fixed width. A quantity q of this fabric (measured in yards) that is sold is a
BigorU [14]

Answer:

R'(20) = 2000

Step-by-step explanation:

We are given the following in the question:

Quantity, q

Selling price in dollars per yard, p

q=f(p)

Total revenue earned =

R(p)=pf(p)

f(20)=13000

This means that 13000 yards of fabric is sold when the selling price is 20 dollars per yard.

f′(20)=−550

This means that increasing the selling price by 1 dollar per yards there is a decrease in fabric sales by 550.

We have to find R'(20)

Differentiating the above expression, we have,

R'(p) = \displaystyle\frac{d(R(p))}{dp} = \frac{d(pf(p))}{dp} = f(p) + pf'(p)

Putting the values, we get,

R'(p) = f(p) + pf'(p)\\\\R'(20) = f(20) + 20(f'(20))\\\\R'(20) = 13000 + 20(-550) = 2000

7 0
3 years ago
Find the smallest number that is exactly divisible by 144 192 and 168​
svlad2 [7]

Answer:

2 is your answer. hope helpful answer

3 0
2 years ago
In a group of 25 students, 16 are female. What percentage of the group is female?
asambeis [7]
Percent is out of 100, and 25*4=100. So multiply 16*4=64, so the answer is 64%
3 0
3 years ago
Read 2 more answers
What do you mean by coefficient?<br>With example!​
zhannawk [14.2K]

Answer: A coefficient refers to a number or quantity placed with a variable

Step-by-step explanation: For example, in the expression 3x, 3 is the coefficient but in the expression x2 + 3, 1 is the coefficient of x2. In other words, a coefficient is a multiplicative factor in the terms of a polynomial, a series, or any expression.

6 0
2 years ago
in a history class the girl to boy ratio is 9 to 5 if there are a total of 70 students, how many boys are there​
Nikolay [14]

Answer:

Girls: 45

Boys: 25

Step-by-step explanation:

9 + 5 = 14

70 \div 14 = 5

9 \times 5 = 45

5 \times 5 = 25

Awnser Check:

45 + 25 = 70

8 0
2 years ago
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