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3 years ago

Which is greater 2/5 or 3/10

2 answers:

6 0

To find out which fraction is the greatest - what I like to do is convert the fraction to the percentage form.

To change a fraction into the percentage form, you have to multiply the fraction by 100, which is the commonly used numerical number.

The problems for both of the fractions would look like:

2/5 × 100 and 3/10 × 100

To solve both of those, you basically just have to focus on the numerator (the top number of the fraction) and what you are multiplying it by, which in this case is by 100. We have to multiply the numerator by the whole number (100) and then find what multiplies with the denominator to get the result of the numerator.

$\frac{2}{5} \times 100 \\ \\ \frac{200}{5} \\ \\ 40$

We have our first fraction turned into the percentage form, so 2/5 = 40%.

$\frac{3}{10} \times 100 \\ \\ \frac{300}{10} \\ \\ 30$

3/10 as a percentage is 30%.

Looking at the percentages for 2/5 and 3/10, the greatest one out of the two is 2/5, which is 40%.

Maslowich3 years ago

6 0

2/5 because 2/5 is equivellent to 4/10 and 4/10 is greater than 3/10

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8 0

2 years ago

Solve the system of linear equations for x and y.(cos θ)x + (sin θ)y=1(−sin θ)x + (cos θ)y = 0x=y=

lys-0071 [83]

Answer:

$\bold{x =cos\theta}\\\bold{y=sin\theta}$

Step-by-step explanation:

The given system of linear equations is:

$(cos\theta)x+(sin\theta)y=1\\(-sin\theta)x+(cos\theta)y=0$

We have to solve the equations for the values of $x, y$ .

Let us use elimination method in which we eliminate one of the variables from the two variables.

For this, let us multiply the first equation by $sin\theta$ and second equation by $cos\theta$

Now, the equations become:

$(cos\theta.sin\theta)x+(sin\theta.sin\theta)y=sin\theta\\\Rightarrow (cos\theta.sin\theta)x+(sin^2\theta)y=sin\theta ....... (1)\\\\(-sin\theta.cos\theta)x+(cos\theta.cos\theta)y=0\\\Rightarrow (-sin\theta.cos\theta)x+(cos^2\theta)y=0 ..... (2)$

Now, let us add (1) and (2):

$(sin^2\theta)y+(cos^2\theta)y=sin\theta\\\Rightarrow (sin^2\theta+cos^2\theta)y=sin\theta\\\Rightarrow (1)y=sin\theta\\\Rightarrow y = sin\theta$

Using the equation:

$(-sin\theta)x+(cos\theta)y=0$

Putting value of $y$ :

$\Rightarrow (-sin\theta)x+(cos\theta)sin\theta=0\\\Rightarrow (sin\theta)x=(cos\theta)sin\theta\\\Rightarrow x = cos\theta$

So, the answer to the system of linear equations is:

$\bold{x =cos\theta}\\\bold{y=sin\theta}$

7 0

2 years ago

F(x)=|x+8| evaluate f(-11)

stealth61 [152]

19:)
I hope that helped!

7 0

3 years ago

Find two points on the line to be graphed. y-5=0

Nonamiya [84]

Any point with the y of 5 could be the answer

3 0

2 years ago

Pranav made a nut mixture that contains 82% peanuts by mixing 6kg of mixed nuts with 9kg of peanuts. The mixed nuts contained wh

yaroslaw [1]

Ok so
82%=82/100=0.82

82% of all =peanuts

total=6+9=15kg

all=15
0.82 times 15=peanuts
12.3=peanuts

12.3kg of peanuts total
9kgpeanuts+xkgpeanuts(inmixednuts)=12.3
subtract 9 from both sides
xkgpeanuts=3.3kg

3.3/9=x%
x%=x/100
3.3/9=x/100
1.1/3=x/100
multiply both sides by 300
110=3x
divide both sides by 3
36.6666=x
36.6666% is answer
aprox 37%

4 0

3 years ago