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3 years ago

What is 6k + 7 when k = 5

Mathematics

2 answers:

Ulleksa [173]3 years ago

7 0

Answer:

Step-by-step explanation:

6×5+7

30+7

Answer is 37

Harman [31]3 years ago

4 0

Answer:

Step-by-step explanation:

The equation is 6k+7 and you have to plug in 5 for the k so your equation after that is

6(5)+7 now you multiply 6x5 and add 7 so 30 plus 7 and your answer is 37.

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Write declaration statements to declare and initialize two variables: one is an integer variable named age, initialized to 18, a

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In Java....

int age=18;

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3 years ago

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

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

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2 years ago

Three different fraction equivalent 1

olga nikolaevna [1]

Answer:

3/3, 9/9, 12/12

Step-by-step explanation:

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3 years ago

PLEASEEEEEEE HELP WITH THIS QUESTION PLEASE I AM BEGGING YOU

zlopas [31]

The answer would be (2,3).

Try sketching it out, it helps :)

6 0

3 years ago

Read 2 more answers

If x varies directly as y, then what is y when x = 4, knowing that x = 60 when y = 5?

Basile [38]

Answer: The answer would be 1/2

Step-by-step explanation:

Y varies DIRECTLY as x. Find the constant of variation, k, if y = -5x

The first sentence is there for information, the constant is a number( 1,2,3...so on) , so the only number is -5

It is a linear equation meaning equation of a straight line.

its form is y= mx+b, where m is the slope of the line, b is the y intercept when x=0. these info you have to memorize like your life depend on it.

next, y varies directly as x. If y = 15 when x = 60, find y when x = 100

if y= 15, when x=60, then there is a number m such that m*y= 60

or m= 60/y= 60/15 =4

so the equation is y=4x. in this cause, the b=0

so when x=0, y=0

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remember that distance = speed times time.

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if you know that, then you can tell how far it goes in 5 hours.

Hope I made it non tough enough

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4 years ago

Read 2 more answers