three consecutive even integers in which 20 more than twice of the third is 28 more than the sum of the first two integers

Mathematics

1 answer:

Doss [256]2 years ago

5 0

Answer:

what is the answer choices?

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The row-echelon form of the augmented matrix of a system of equations is given. Find the solution of the system.

Zepler [3.9K]

Answer:

option-C

Step-by-step explanation:

We are given row-echelon form

So, we can write equation from matrix as

$x-5z=-3$

$y-4z=-5$

Let's assume

$z=t$

now, we can find x and y

$x-5t=-3$

$x=5t-3$

$y-4t=-5$

$y=4t-5$

so, we get solutions as

$x=5t-3$

$y=4t-5$

$z=t$

where t can be any real numbers

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A parking meter charges $2 per hour. as a driver parks her car, she notices that the parking meter has 15 minutes remaining on i

Ne4ueva [31]

The parking meter charges $2 per hour, means that each half hour costs $1.

Thus, 1$ pays for half an hour, so d $ pay for d half hours, that is d/2 hours, which is 0.5d hours.

15 minutes a quarter of an hour, which is 0.25 h.

Thus, the driver has a total of d/2 hours that she payed for, + 1/4 hour from the previous driver. These make a total of 3 hours, so we can set the equation:

3=0.5d+0.25

Answer: B

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Each part needs fourteen small holes drilled in its outer surface and four larger holes drilled in its inner surface. Write an e

svetlana [45]

Answer:

Bru where the options or......... like bru where is it

Step-by-step explanation:

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Show how to solve the problem 378x6 using place value with regrouping