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2 years ago

Which percent is equivalent to the fraction 7/50 ?

Mathematics

2 answers:

miskamm [114]2 years ago

7 0

Answer:

7/50 = 14%

Step-by-step explanation:

Step 1: Top dawg in the house (the numerator becomes the dividend)

So instead of putting 50÷7 into the calculator, you would do 7÷50, which equals 0.14.

Step 2: Turn your decimal to a fraction.

Your decimal is 0.14. The last number of this decimal is in the HUNDREDTHS place. Therefore, you should MULTIPLY BY 100, or MOVE YOUR decimal two places to the RIGHT, which is 14.

All in all, 7/50 = 14%

taurus [48]2 years ago

5 0

14% because 7/50 divided by 100 equals 14.

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120 different arrangements

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2 years ago

Read 2 more answers

Tim bought some 25 cent and some 29 cent stamps. He paid 7.60 dollars for 28 stamps. How many of each type of stamp did he buy?

Citrus2011 [14]

Answer:

25 cent stamps = 13 and 29 cent stamps = 15

Step-by-step explanation:

x = 25 cent stamps and y = 29 cent stamps

x + y = 28......x = 28 - y

0.25x + 0.29y = 7.60

0.25(28 - y) + 0.29y = 7.60

7 - 0.25y + 0.29y = 7.60

-0.25y + 0.29y = 7.60 - 7

0.04y = 0.60

y = 0.60 / 0.04

y = 15 <===== 29 cent stamps

x + y = 28

x + 15 = 28

x = 28 - 15

x = 13 <===== 25 cent stamps

lets check it...

0.25x + 0.29y = 7.60

0.25(13) + 0.29(15) = 7.60

3.25 + 4.35 = 7.60

7.60 = 7.60 (correct..it checks out)

8 0

2 years ago

What is the maximum number of turns for the graph of f(x)=x^4+3x^2?

Stels [109]

Answer:

The turns of a graph is represented by the number of maximum or minimum that the function has.

If we differenciate f(x) we get:

f'(x)=4x^3+6x

f'(x)=2x(2x^2 + 3)

Therefore f'(x) =0, when x=0. Given that negative roots are not defined.

Therefore, the number of turns will be given by the number of solutions of f'(x) which is 1.

Attached you find the graph of the function which confirms the number of turns.

If the function had other solutions, the maximum number of turns it could have is 3! because f'(x) is a third degree polynomial, therefore it can't have more than 3 solutions!