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maria [59]
3 years ago
14

Write the given second order equation as its equivalent system of first order equations. u″+5u′+4u=0 u″+5u′+4u=0 use vv to repre

sent the "velocity function", i.e. v=u′(t)v=u′(t). use vv and uu for the two functions, rather than u(t)u(t) and v(t)v(t).
Mathematics
1 answer:
laila [671]3 years ago
8 0

v = u', so v' = u'' and the original equation can be written

... v' + 5v + 4u = 0

Then the system of first-order equations is

... u' = v

... v' = -5v -4u

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How many integers in the set of all integers from 1 to 200, inclusive, are not the cube of an integer
ss7ja [257]

Cubing of integers from 1 to 5 will have their cubes in the interval 1 to 200. There are such 5 positive numbers (1,2,3,4,5).

To calculate the variety of integers, locate and subtract the integers of the hobby after which subtract 1. As evidence of the concept, calculate the wide variety of integers that fall between five and 10 on more than a few lines. We realize there are four (6, 7, 8, 9).

All entire numbers are integers (and all herbal numbers are integers), however now not all integers are whole numbers or natural numbers. as an example, -five is an integer but not an entire variety or a natural quantity. An integer is an entire variety (not a fractional number) that can be fine, bad, or 0. Examples of integers are: -5, 1, 5, 8, 97, and 3,043. Examples of numbers that are not integers are: -1.forty three, 1 3/four, three.14, . 09, and five,643.1.

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4 0
2 years ago
Ritz can eat 8 apples in 15 minutes . how long can it take him to eat 16 apples at the same rate
exis [7]
8 apples/15 minutes
16 apples/x minutes
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2*15=30
30 minutes
4 0
4 years ago
In deductive reasoning, you start from a _____ set of rules and conditions to determine what must be true.
emmainna [20.7K]

Answer: B. given

Step-by-step explanation:

The logical deduction or deductive reasoning is a process that is logical in which a conclusion is made on the bases of given premises that are commonly assumed to be true.

Thus, we start from a <u>given</u> set of rules and conditions which we call as premises to determine what must be true.

Therefore, In deductive reasoning, you start from a given set of rules and conditions to determine what must be true.

7 0
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Answer:

C

Step-by-step explanation:

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5 0
3 years ago
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A man gave out 24000 to his three brothers,X ,Y and Z to be shared among them . If X takes twice as much as Y and Y is given one
krek1111 [17]

The amount received by each of the three brothers from the $24,000 given them based on their sharing ratios is worked out using a system of equations as follows:

X' share = $8,000

Y's share = $4,000

Z's share = $12,000

<h3>What is an equation?</h3>

An equation is a mathematical statement that shows that two values are equal.

A system of equations uses numbers and variables.

Data and Calculations:

Amount to be shared = $24,000

Sharers = X ,Y and Z

Sharing ratios:

X takes twice as Y = 2y

Y takes 1/3 of Z, Y = y

Z receives 1/3 of Y = 3y

Ratio = 2y + y + 3y

2y + y + 3y = 24,000

6y = 24,000

y = 4,000

X' share = $8,000 (2 x 4,000)

Y's share = $4,000 (4,000)

Z's share = $12,000 (3 x 4,000)

Thus, from the $24,000, X received $8,000, which is twice as much as Y's $4,000, and Y's share is one-third of Z's $12,000.

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6 0
2 years ago
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