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Mumz [18]
3 years ago
7

What is the equation of a vertical line passing through the point (3, 5)?

Mathematics
2 answers:
aleksklad [387]3 years ago
8 0
P(3,5), so x=3, y=5

A. y=-5 
5=-5
\boxed{False}

B. x=-5
3=-5
\boxed{False}

C. y=3
5=3
\boxed{False}

D. x=3
3=3
\boxed{True}

The answer: D

:)
-BARSIC- [3]3 years ago
7 0
D. x=3
I don't really know how to explain it other than the only points on the line are sitting at the x=3 and y=anything
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I'VE BEEN WAITING FOR 3 HRS+ PLEASE HELP ME PLEASE!!!
goldfiish [28.3K]
Using Communative Property, We can switch the equation around to make it look the same.
6 0
3 years ago
Two solutions of the polynomial equation are given. Use synthetic division to find any remaining solutions.
liubo4ka [24]

Answer:

The remaining solutions are -7 and 3.

Step-by-step explanation:

The synthetic division is shown in the attachment. After dividing the first two found factors from the polynomial, the remaining quadratic is ...

x^2 +4x -21 = 0

Its rational roots will be factors of -21, and the sum of their opposites will be 4. Knowing that 21 = 3·7, we can guess that the remaining roots are -7 and 3. The synthetic division confirms that. (A graph also confirms it.)

8 0
3 years ago
What is the sum of the geometric series
lbvjy [14]
If S denotes the sum of the first n terms of a geometric series with first term a and common ratio r, then

S=a+ar+ar^2+\cdots+ar^{n-3}+ar^{n-2}+ar^{n-1}
rS=ar+ar^2+ar^3+\cdots+ar^{n-2}+ar^{n-1}+ar^n
\implies S-rS=a+(ar-ar)+(ar^2-ar^2)+\cdots+(ar^{n-1}-ar^{n-1})-ar^n
\implies (1-r)S=a(1-r^n)
\implies S=a=\dfrac{1-r^n}{1-r}

Using summation notation, you have

S=\displaystyle\sum_{x=1}^nar^{x-1}=\sum_{x=0}^{n-1}ar^x=a\dfrac{1-r^n}{1-r}

In this case, you have a=2, r=\dfrac12, and n=16. So the value of the sum is

\displaystyle\sum_{x=0}^{15}2\left(\frac14\right)^x=2\dfrac{1-\left(\frac14\right)^{16}}{1-\frac14}\approx2.67

Rounded to the nearest whole number, the answer would be 3.
4 0
3 years ago
Read 2 more answers
Help me please I wold appreciated it
algol13

Answer:

BD=7

ED=5

BE=7

AD=10

AE=5

Step-by-step explanation:

given CD = 7 you use that to find BD and BE because CD´s line length is the same as BD and BE

given BC = 5 you use that to find ED and AE and AD because BC is the same length as ED (they create the same triangle) and than given AE also equals 5 you add ED and AE to get AD

hope this helps

5 0
3 years ago
Can someone please help, ty!!<br> (Will mark brainliest)
Oliga [24]

Answer:

Arcadia

Step-by-step explanation:

the line in the box is the median and Arcadia is bigger than Millersburg

7 0
3 years ago
Read 2 more answers
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