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Free_Kalibri [48]
3 years ago
15

What is the solution to the system of equations?

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
6 0

Answer:

(4, –2, 1)

Step-by-step explanation:

You have to put in it the calculate and solve the matrix way

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How many of the 1000 smallest positive integers are congruent to 1 modulo 9?
Serjik [45]
1 modulo 9 is the set of numbers as follows:

(0(9) + 1), (1(9) + 1, ....)
which is:
1, 10, 19

All we have to do is divide 1000 by 9, and round down.

1000/9 = 111.111......
There are 111 numbers.
Now let us check our work.

the set is as follows:

(1,10,19, ....... (111)9 +1)
(1, 10, 19 ........ 1000)
We are within 1000.
Therefore, 111 of the 1000 smallest positive integers are congruent to 1 modulo 9.
5 0
4 years ago
Variance is_________.
katrin [286]

Answer:

B

Step-by-step explanation:

Variance can be said to be a measure of dispersion for a random sample.

Variance = pq/n

When given the variance, we can find the standard deviation.

Standard deviation = √variance

= √pq/n

3 0
4 years ago
Tell whether the relation is a function. Explain your reasoning
kodGreya [7K]

Answer:

no, since the numbers are mixed up both negative and positive

3 0
3 years ago
Read 2 more answers
What is the solution for 16=2/3f
coldgirl [10]
16 = 2/3f
16 ÷ 2/3 = f
16 × 3/2 = f
48/2 = f
24 = f
8 0
3 years ago
1.7cubic feet per minutes Given that one cubic foot is equivalent to approximately 7.48 gallons what would the pump rating be in
son4ous [18]

Answer:

449 per hour

Step-by-step explanation:

First of all we know the question is asking us to round to the nearest tenth and find the rate of gallons per hour.

First:

Know there are 60 minutes in one hour

Second:

Take 7.48 and multiply it by 60

Third:

This should give you---448.8

Which is correct, but we are not done

Fourth:

Round to the nearest whole number

448.8

8 is closer to 10 than it is to 1 so we add 0.2

Which gives us 449

Five:

Just add the "per hour"

Six:

Your answer is---449 per hour---

7 0
4 years ago
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