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Katen [24]
2 years ago
11

a spinner is divided into 10 equal sections numbered from 1 to 10. You have spin the spinner once. What is P (divisible by 2)

Mathematics
1 answer:
Gekata [30.6K]2 years ago
6 0
There is a 1/2 probability that the number will be divisible by 2 because there are 5 numbers from 1 to 10 divisible by 2. So 5/10 = 1/2.
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8^2 x (2+6) / 4<br>solve
Softa [21]

Answer:

8^2\times \frac{\left(2+6\right)}{4}

\frac{\left(2+6\right)}{4} = 8/4 = 2

8^2 \times 2 =

64 x 2 =

128.

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2 years ago
Please check my question. 11 points. thanks for the help.
n200080 [17]
Its right.................
7 0
3 years ago
PLZ HELP!!! Use limits to evaluate the integral.
Marrrta [24]

Split up the interval [0, 2] into <em>n</em> equally spaced subintervals:

\left[0,\dfrac2n\right],\left[\dfrac2n,\dfrac4n\right],\left[\dfrac4n,\dfrac6n\right],\ldots,\left[\dfrac{2(n-1)}n,2\right]

Let's use the right endpoints as our sampling points; they are given by the arithmetic sequence,

r_i=\dfrac{2i}n

where 1\le i\le n. Each interval has length \Delta x_i=\frac{2-0}n=\frac2n.

At these sampling points, the function takes on values of

f(r_i)=7{r_i}^3=7\left(\dfrac{2i}n\right)^3=\dfrac{56i^3}{n^3}

We approximate the integral with the Riemann sum:

\displaystyle\sum_{i=1}^nf(r_i)\Delta x_i=\frac{112}n\sum_{i=1}^ni^3

Recall that

\displaystyle\sum_{i=1}^ni^3=\frac{n^2(n+1)^2}4

so that the sum reduces to

\displaystyle\sum_{i=1}^nf(r_i)\Delta x_i=\frac{28n^2(n+1)^2}{n^4}

Take the limit as <em>n</em> approaches infinity, and the Riemann sum converges to the value of the integral:

\displaystyle\int_0^27x^3\,\mathrm dx=\lim_{n\to\infty}\frac{28n^2(n+1)^2}{n^4}=\boxed{28}

Just to check:

\displaystyle\int_0^27x^3\,\mathrm dx=\frac{7x^4}4\bigg|_0^2=\frac{7\cdot2^4}4=28

4 0
2 years ago
Hey! pls help i’ll give brainliest
grandymaker [24]

Answer:

landslide

Step-by-step explanation:

5 0
2 years ago
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Find the part of the number.<br><br><br> * Find 3 1/16 of 32.
oee [108]

Answer:

98

Step-by-step explanation:

6 0
3 years ago
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