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3 years ago

What is 1/4 + 5/6 equals what

Mathematics

2 answers:

Alex3 years ago

6 0

Answer:

1 1/12

Step-by-step explanation:

You need to find a common denominator that fits both 1/4 and 5/6. We know that 12 fits both, so we multiply each to get it, for example:

1/4 = 3/12

5/6 = 10/12

Now we say 3/12 + 10/12 = 13/12 and simplify to get 1 1/12

malfutka [58]3 years ago

6 0

13/12

1.083 (repeating decimal)

1 1/12 (one and one twelths)

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Komok [63]

Answer:

42−{(7+14)÷7}×4

42 - { 21/7} x 4

42 - 3 x 4

42 - 12

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3 years ago

:Phil’s age decreased by 9 years is 14 years ?

Crank

Answer:

Phil is 23

Step-by-step explanation:

Add 14 to 9 and you get 23. So then you subtract 9 from 23

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3 years ago

there are 2.54 centimeters in 1 inch. how many centimeters are there in 1 foot? in 1 yard? explain your reasoning

AVprozaik [17]

Answer:

1 foot = 30.48 centimeters

1 yard = 91.44 centimeters

Step-by-step explanation:

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Their are 36 inches in a yard so you need to multiply 2.54 by 36

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3 years ago

Show that ( 2xy4 + 1/ (x + y2) ) dx + ( 4x2 y3 + 2y/ (x + y2) ) dy = 0 is exact, and find the solution. Find c if y(1) = 2.

fredd [130]

$\dfrac{\partial\left(2xy^4+\frac1{x+y^2}\right)}{\partial y}=8xy^3-\dfrac{2y}{(x+y^2)^2}$

$\dfrac{\partial\left(4x^2y^3+\frac{2y}{x+y^2}\right)}{\partial x}=8xy^3-\dfrac{2y}{(x+y^2)^2}$

so the ODE is indeed exact and there is a solution of the form $F(x,y)=C$ . We have

$\dfrac{\partial F}{\partial x}=2xy^4+\dfrac1{x+y^2}\implies F(x,y)=x^2y^4+\ln(x+y^2)+f(y)$

$\dfrac{\partial F}{\partial y}=4x^2y^3+\dfrac{2y}{x+y^2}=4x^2y^3+\dfrac{2y}{x+y^2}+f'(y)$

$f'(y)=0\implies f(y)=C$

$\implies F(x,y)=x^2y^3+\ln(x+y^2)=C$

With $y(1)=2$ , we have

$8+\ln9=C$

$\boxed{x^2y^3+\ln(x+y^2)=8+\ln9}$

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3 years ago

Jose pays 8 payments of $4 each to a game store. He returns one game and receives $20 back. What is the change to the amount of

Katyanochek1 [597]

Answer:

the answer would be -12

Step-by-step explanation:

32- 20=12

The change to the amount of money he has is -$12 because

she has $12 less than she started with

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3 years ago