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jeka94
3 years ago
12

On a number line, C is at -6 and D is at 14. What is the coordinate of E, which is 1/4 of the way from C to D?

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0
It is closer to C because 1/4 is closer to 6
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150,000
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PLEASE HELP!<br><br> x ≤ -y<br> 2x - y &lt; 4
marshall27 [118]

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attashe74 [19]

Answer:

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Step-by-step explanation:

The area of a triangle is given by the formula: 1/2bh, where b is the length of the base, and h is the height of the triangle. You are given the length of the base as 82ft. The height (more commonly referred to as the altitude) is given as 26ft. Multiply the two together and then half the result to get 1,066ft^2.

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3 years ago
Estimate the minimum number of subintervals to approximate the value of Integral from negative 3 to 3 (2 x squared plus 9 )dx wi
vichka [17]

Answer:

The value of n for (a) n=425. (b) n=0.

Step-by-step explanation:

Given integration is,

\int_{-3}^{3}f(x)=\int_{-3}^{3}(2x^2+9)dx

(a) For Trapezoidal Rule : Composite error is,

E_T=-\frac{(b-a)^3}{12n^2}f''(x_m)

Where, f''(x_m)=greatest value of |f''(x)|= |4|=4, a=-3, b=3. Therefore to find the minimum number of subinterval,

|E_T|\leq | \frac{(b-a)^3}{12n^2}f''(x)||

\leq \frac{4(-3-3)^3}{12n^2}

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According to the question, we must choose n such that,

\frac{72}{n^2}

\implies n>424.2640686

So we can take n=425.

(b) For Simpson 1/3 rule : Composite error is,

E_S=-\frac{(b-a)^5}{180n^4}f^{(iv)}(x_m)

where, f^{(x_m)}=\textit{greatest value of} |f^{(iv)}(x)|

In this problem f^{(iv)}(x)=0, so that,

|E_S|\leq 0

that is there exist no error. So n=0.

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2 years ago
Does anyone know the answer for this question? No links
PIT_PIT [208]

Answer:

3,2 like I show just don't put and symbols like it said in the question

7 0
3 years ago
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