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3 years ago

Solve for m: 3m - 5r = 2n + 7

Mathematics

2 answers:

Scilla [17]3 years ago

8 0

M = 6n + 21 + 15r

Should be right

Elenna [48]3 years ago

5 0

M= 5/3r + 2/3n + 7/3 or m= 1 2/3r + 2/3n + 2 1/3

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The answer to your question would be 216.9112.

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3 years ago

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Look for a pattern and complete the conjecture.

denis-greek [22]

Answer:

390

Step-by-step explanation:

The formula of sum of arithmetic sequence is $\frac{n}{2} (a+Tn)$

The number of this series are 2, 4, 6, 8, 10, 12, . . . . , 60.

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The Tn is the term of the sequence

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shepuryov [24]

Answer:

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Step-by-step explanation:

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3 years ago

How to Factor 4p^2+4p-5

Anarel [89]

4p^2 + 4p - 5

As the expression cannot be factored in it's current form, we need to check if splitting the middle term is possible.

List factors of -20.

-5 * 4

5 * -4

-10 * 2

10 * -2

-20 * 1

20 * -1

None of the factors added together result in positive 4.

Because splitting the middle term is not possible, and we cannot simplify this expression any further:

This expression cannot be fully factored.

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3 years ago

Which system of equation should you use to solve this problem

Alex17521 [72]

Last option is the correct answer.

Step-by-step explanation:

Given that

Let x stand for the solution a and y stand for the solution B

So,

According to statement that

30 gallons have to be made

$x+y=30$

Solution A contains 29 percent bromine => 0.29x

Solution B contains 53 percent =>0.53y

And the mixture of 30 gallons contains 45% bromine

$0.29x+0.53y=30*0.45\\0.29x+0.53y=13.5$

Following equations will be used for solving the problem

$x+y = 30\\0.29x+0.53y=13.5$

Hence,

Last option is the correct answer.

Keywords: Equations, Variables

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago