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serious [3.7K]
3 years ago
11

To which subset(s) of real numbers does the number 4 belong? 1. Irrational numbers 2. Integers 3. Whole numbers 4. Natural numbe

rs 5. Rational numbers
Mathematics
1 answer:
morpeh [17]3 years ago
5 0

Answer:

whole number

hope it helps

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If n = 4, what is the value of 6n - 3
Arturiano [62]
Answer: 21
steps:
1) 6(4) - 3
2) 24 - 3
3) 21
3 0
3 years ago
Solve: the sum of two numbers is 70. one number is 4 times the other. what are the two numbers?
Thepotemich [5.8K]
Lets say two numbers are x and y

x+y=70-----------------------eq1

x=4y--------------------eq2

4y+y=70
5y=70
y=70/5
y=14 

then x=4*14

x=56


8 0
3 years ago
The following equation:
eimsori [14]

Answer:

all I know is p = 3511

Hope's it helps

6 0
3 years ago
Find the half range Fourier sine series of the function
worty [1.4K]
The full range is -\pi (length 2L=2\pi), so the half range is L=\pi. The half range sine series would then be given by

f(x)=\displaystyle\sum_{n\ge1}b_n\sin\dfrac{n\pi x}L=\sum_{n\ge1}b_n\sin nx

where

b_n=\displaystyle\frac2L\int_0^Lf(x)\sin\dfrac{n\pi x}L\,\mathrm dx=\frac2\pi\int_0^\pi(\pi-x)\sin nx\,\mathrm dx

Essentially, this is the same as finding the Fourier series for the function

\begin{cases}g(x)=\begin{cases}\pi-x&\text{for }0

Integrating by parts yields

b_n=\dfrac2\pi\left(\dfrac\pi n-\dfrac{\sin n\pi}{n^2}\right)=\dfrac2n

So the half range sine series for this function is simply

f(x)=\displaystyle\sum_{n\ge1}\frac{2\sin nx}n
5 0
3 years ago
If 4x+3x-2(x+5)=-9 then x=?
Nana76 [90]

Answer:

X=1/5

Step-by-step explanation:

7×-2×-10=-9

5×=-9 +10

5×/5=1/5

×=1/5

3 0
3 years ago
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