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telo118 [61]
3 years ago
7

Which system of equations below has infinitely many solutions

Mathematics
2 answers:
borishaifa [10]3 years ago
5 0

We get an infinite number of solutions when we have equivalent equations, for example equations that a scalar multiples of each other.  That's not going to happen for two equations in slope intercept form unless all the terms are the same.  None of those on this list.

So we're left with the second choice, and clearly the second equation is three times the first, with the same solution set, all the points along the line.

Answer: Second choice  y=-3x + 4 and 3y = -9x + 12

Anuta_ua [19.1K]3 years ago
3 0

Answer:

the first one

i think sorry if im wrong thats what i got

Step-by-step explanation:

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7 0
3 years ago
I don't how how to do this someone please help!​
Nutka1998 [239]

Answer:

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Answer to question 9 is: Area =490.87 and Circumference =78.54

Step-by-step explanation:

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3 0
2 years ago
A town has a population of 2000 and grows at 4.5% every year. What will be the
goldfiish [28.3K]

Answer:

3544

Step-by-step explanation:

This is a problem of compound growth. The formula is

F=P(1+r)^t

Where F is the value in the future (in this case, the population after 13 years)

P is the intial amount (here, the initial population of 2000, so P = 2000)

r is the rate of growth (here, it is 4.5%, in decimal, 0.045)

t is the time frame (here, it is 13 years, so t = 13)

<em>we can plug the numbers into the formula and solve for F:</em>

<em>F=P(1+r)^t\\F=2000(1+0.045)^{13}\\F=2000(1.045)^{13}\\F=3544.4</em>

<em>rounded to the nearest whole number, the </em><em>population after 13 years would be 3544</em>

3 0
3 years ago
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yulyashka [42]
18 girls
Half of the students volunteer
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Step-by-step explanation:

3divided by 2

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