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Viefleur [7K]
2 years ago
12

Write for the system 3x - 5y = 9,3x+y=3, which variable should we eliminate first?​

Mathematics
1 answer:
murzikaleks [220]2 years ago
7 0

Answer:

x

Step-by-step explanation:

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Can someone help me?
Advocard [28]

Answer:

152

Step-by-step explanation:

8 0
2 years ago
Needed help with this question!
In-s [12.5K]
A) is 2x
b) is x^{3}
c) is -2x

I think these are correct.
log_{10}1000^{x] = log_{10}10^{2x}=2x
I did similar things to get other answers
1000^{log_{10}x} = 10^{3log_{10}x}=10^{log_{10}x^{3}}=x^{3}
5 0
3 years ago
What is the first term for an arithmetic sequence with a12 = 56 and a21=101?
Alenkinab [10]
The first term is -43.

Explanation:

an = a + (n - 1)d

a12 = a + 11d = 56, first equation
a21 = a + 20d = 101, second equation

Subtract the second equation from the first equation, cancelling +a and -a
11d - 20d = 56 - 101
-9d = -45
d = 5

Subtitute d into the first equation
a + 99 = 56
a = -43

a refers to the first term, hence the first term is -43.
4 0
3 years ago
What is the volume of the pyramid in the diagram?
vekshin1

Answer:

A

Step-by-step explanation:

7 0
3 years ago
Graph the line whose x-intercept is -1 and whose y-intercept is 4.<br> x<br> 5<br> ?
shepuryov [24]

Answer:

the x axis is the one that lies flat horizontal this is called the run. the y intercept is the one that goes up and down standing. now you have to plot a dot on the line x moving toward the negative 1 and go up to y meeting up to 4 and that should give you the line to graph

7 0
3 years ago
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