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Tema [17]
3 years ago
14

Explain how you know if a system of equations has one solution, no solutions, or infinitely many solutions. Write your answers (

3) in Complete Sentences.
Mathematics
1 answer:
Nataliya [291]3 years ago
7 0

Answer:

Written Below.

Step-by-step explanation:

A system of linear equations has one solution when the graphs intersect at a point. A system of linear equations has no solution when the graphs are parallel. A system of linear equations has infinite solutions when the graphs are the exact same line.

(This uses graphing.)

Sidenote: I hope this helps! :)

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Find the 28th term of the arithmetic sequence -1, -3, -5, …
Dovator [93]

Answer:

-55

Step-by-step explanation:

2nd term=> -1 + -2 × (2 - 1)

3rd term=> -1 + -2 × (3 - 1)

:

28th term=> -1 + -2 × (28 - 1)

                => -1 - 54 = -55

4 0
3 years ago
A school director must randomly select 6 teachers to part in a training session. There are 34 teachers at school. In how many di
prohojiy [21]

Answer:

Total possible ways to select 6 teachers from 34 teacher are ^{34}C_6=1344904.

Step-by-step explanation:

It is given that total number of teachers at a school is 34.

The school director must randomly select 6 teachers to part in a training session.

^nC_r=\frac{n!}{r!(n-r)!}

Where, n is total possible outcomes and r is number of selected outcomes.

Total teachers = 34

Selected teachers =6

Total number of possible ways to select 6 teachers from 34 teacher is

^{34}C_6=\frac{34!}{6!(34-6)!}

^{34}C_6=\frac{34\times 33\times 32\times 31\times 29\times 28!}{6!(28)!}

^{34}C_6=1344904

Therefore total possible ways to select 6 teachers from 34 teacher are ^{34}C_6=1344904.

7 0
3 years ago
Please help mee!!! tia​
Wewaii [24]

Answer:

D. 3y + 1

Step-by-step explanation:

3 0
3 years ago
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A certificate of deposit earns 1% interest every three months. The interest is compounded.
dsp73
A certificate of deposit earns 1% interest every three months. The interest is compounded.


What is the value of a $35,000 investment after 6 years?


$37,153.21

$39,438.88

$44,440.71

$56,295.30

A. 37,153.21
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3 years ago
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