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Anna11 [10]
3 years ago
12

Looking for 45/20 in fractions

Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0

Answer:

mixed fraction:

2 1/4, also written as 2 5/20

Step-by-step explanation:

45 goes into 20 a complete 2 times with a remainder of 5, hence the 2 in 2 1/4.

5 goes into 20 a whole 4 times, hence 1/4 or 5/20.

Marizza181 [45]3 years ago
5 0

Answer: 45/20= 9/4

Also, it can give 2 1/4

Step-by-step explanation:

Find a common divisible number between the denominator and numerator which is 5, divide it by 5, it gives 9/4

Then to get a mixed fraction, you divide by the new denominator to give 2 as a whole number, then 1/4

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It’s dividing by a factor of 10. So 30 divided by 10=3. You then do the same thing for the height. 300 divided by 10=30. The answer is 30.
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Emma is making a scale drawing of her farm using the scale 1cm = 2.5ft. In the drawing she drew a well with a diameter of 0.5 ce
Y_Kistochka [10]
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8 0
4 years ago
En un huerto se siembra frijol. Si se pone una planta, produce 3kg de frijol. por cada planta extra que se ponga, todas las plan
Ad libitum [116K]

Answer:

y = -0.07x2 + 3.07x

Step-by-step explanation:

For each plant we add, there is a decrease of 70 grams for all plants from the inicial value of 3 kg of beans.

So, for 2 plants, we have (3 - 0.07) * 2

For 3 plants, we have (3 - 2*0.07) * 3

For x plants, we have (3 - (x-1)*0.07) * x

So we can model the final result of the amount of beans 'y' with the equation:

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7 0
3 years ago
2 points) Suppose w=xy+yzw=xy+yz, where x=et, y=2+sin(t)x=et, y=2+sin⁡(t), and z=2+cos(3t)z=2+cos⁡(3t). A ) Use the chain rule t
Olenka [21]

Answer:

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

Step-by-step explanation:

First, note that

\frac{\partial x}{\partial t}  = e^{t} \\\frac{\partial y}{\partial t}  = cos(t)\\

And using the chain rule in one variable

\frac{\partial z}{\partial t}  = -3sin(3t)

Now remember that the chain rule in several variables sates that

\frac{\partial w}{\partial t}  = \frac{\partial w}{\partial x} * \frac{\partial x}{\partial t} + \frac{\partial w}{\partial y} * \frac{\partial y}{\partial t} + \frac{\partial w}{\partial z} * \frac{\partial z}{\partial t}

Therefore the chain rule in several variables would look like this.

\frac{\partial w}{\partial t}  = y(e^t) +(x+z)*(cos(t))  - 3y*sin(3t)

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4 years ago
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