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Vadim26 [7]
3 years ago
8

What ordered pair represents the y-intercept of the graph of x+y=9?

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
4 0
We can rearrange

x + y = 9

in to

y = 9 - x


This means the value of y is EQUAL to 9 minus the value of x.


[A] fits this description, because y (9) is equal to 9 minus x (0).

[B] does too, because y (0) is equal to 9 minus x (9).
You might be interested in
7.50x +4.50y = 2,212.5<br> x+y = 375
AURORKA [14]

Answer:

5x+3y-1475=0

Step-by-step explanation:

if this helps please mark brainliest <3

3 0
2 years ago
Give the first ten terms of the following sequences. You can assume that the sequences start with an index of 1. Logs are to bas
Vitek1552 [10]

Answer:

a)

a1 = log(1) = 0 (2⁰ = 1)

a2 = log(2) = 1 (2¹ = 2)

a3 = log(3) = ln(3)/ln(2) = 1.098/0.693 = 1.5849

a4 = log(4) = 2 (2² = 4)

a5 = log(5) = ln(5)/ln(2) = 1.610/0.693 = 2.322

a6 = log(6) = log(3*2) = log(3)+log(2) = 1.5849+1 = 2.5849 (here I use the property log(a*b) = log(a)+log(b)

a7 = log(7) = ln(7)/ln(2) = 1.9459/0.6932 = 2.807

a8 = log(8) = 3 (2³ = 8)

a9 = log(9) = log(3²) = 2*log(3) = 2*1.5849 = 3.1699 (I use the property log(a^k) = k*log(a) )

a10 = log(10) = log(2*5) = log(2)+log(5) = 1+ 2.322= 3.322

b) I can take the results of log n we previously computed above to calculate 2^log(n), however the idea of this exercise is to learn about the definition of log_2:

log(x) is the number L such that 2^L = x. Therefore 2^log(n) = n if we take the log in base 2. This means that

a1 = 1

a2 = 2

a3 = 3

a4 = 4

a5 = 5

a6 = 6

a7 = 7

a8 = 8

a9 = 9

a10 = 10

I hope this works for you!!

3 0
2 years ago
Please help this is due in 10 minutes
mafiozo [28]

Answer:

the answer is 4.

4 0
2 years ago
the area of the surface of the swimming pool is 210 feet . what is the length d of the deep end ( in feets )?
zlopas [31]
<span>this is how i did it
 10(9)(d)= 210
  90d= 210
  d=2.3 feet.</span>
3 0
3 years ago
Which graph represents the function f(x)=4*3^x (f times x equals 4 times three to the power of x)
pychu [463]

Answer:

The answer to your question is the first graph in the second line.

Step-by-step explanation:

First graph in the first line: it shows a positive graph that intercepts the y-axis in 5, then this graph is not the correct answer.

Second graph in the first line: it shows a negative graph, this option is incorrect, we look for a positive graph.

First graph in the second line: is correct because is a positive graph and intercpts the y-axis in 4.

Second graph in the second line: is incorrect although it is a positive graph, it intercepts the y-axis in 3.

7 0
3 years ago
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