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ANEK [815]
3 years ago
8

What is 71/72 simplified?

Mathematics
2 answers:
Elina [12.6K]3 years ago
7 0
The fraction can't be simplify since it already is
IrinaK [193]3 years ago
7 0
It is already a simplified fraction. 
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F(3) if f(x) = 2x + 4
Sliva [168]
It would be 10
You substitute “x”for “3” so the equation would be 2(3) + 4. Then you multiply 2 and 3, which is 6. Finally add the 4 to get 10.
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For the function given below, find a formula for the Riemann sum obtained by dividing the interval (0, 3) into n equal subinterv
Viktor [21]

Splitting up [0, 3] into n equally-spaced subintervals of length \Delta x=\frac{3-0}n = \frac3n gives the partition

\left[0, \dfrac3n\right] \cup \left[\dfrac3n, \dfrac6n\right] \cup \left[\dfrac6n, \dfrac9n\right] \cup \cdots \cup \left[\dfrac{3(n-1)}n, 3\right]

where the right endpoint of the i-th subinterval is given by the sequence

r_i = \dfrac{3i}n

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Then the definite integral is given by the infinite Riemann sum

\displaystyle \int_0^3 2x^2 \, dx = \lim_{n\to\infty} \sum_{i=1}^n 2{r_i}^2 \Delta x \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac6n \sum_{i=1}^n \left(\frac{3i}n\right)^2 \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac{54}{n^3} \sum_{i=1}^n i^2 \\\\ ~~~~~~~~ = \lim_{n\to\infty} \frac{54}{n^3}\cdot\frac{n(n+1)(2n+1)}6 = \boxed{18}

8 0
2 years ago
What is -3 and 2/7 minus 4 and 1/3 and can it be simplified
Elanso [62]

Answer:

Yes it can be simplified.

5 0
3 years ago
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Use function notation to write the equation of the line
blondinia [14]

f(x)=mx+b\to y=mx+b

We have two points:

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Substitute

m=\dfrac{7-0}{-4-(-3)}=\dfrac{7}{-1}=-7

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Answer:

f(x)=-7x-21

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Rohit wants to find the best model for a bivariate data set. He used a calculator to create a linear model, a quadratic model, a
san4es73 [151]

The answer is quadratic, I took the test.

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3 years ago
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