3 years ago

Solve the algebraic expression below (2/5) (10) + 8

Mathematics

1 answer:

Andrews [41]3 years ago

4 0

Answer: 12.

Step-by-step explanation:

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kvasek [131]

Hi there,

The answer to your question is:

B. 120

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Dus4nR

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3 years ago

Solve using substitution x=(3y+1) and x+4y=15

natka813 [3]

The solution is: x= 7 and y = 2

Step-by-step explanation:

Given equations are:

$x = 3y+1\ \ \ \ Eqn\ 1\\x+4y = 15\ \ \ \ Eqn\ 2$

Putting x = 3y+1 in equation 2 from equation 1

$3y+1+4y = 15\\7y+1 = 15\\$

Subtracting 1 from both sides

$7y+1-1 = 15-1\\7y = 14$

Dividing both sides by 7

$\frac{7y}{7} =\frac{14}{7}\\y = 2$

Putting y=2 in equation 1

$x = 3(2) +1\\x = 6+1\\x = 7$

Hence,

The solution is: x= 7 and y = 2

Keywords: Linear equations, substitution method

Learn more about linear equations at:

#LearnwithBrainly

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3 years ago

one yard company charges $50 a month to mow and edge a lawn plus $10 an hour for the worker. A second conpany charges $60 a mont

AnnyKZ [126]

The cost of company 1: 10x+50
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3 years ago

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drek231 [11]

I hope this helps you

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4 years ago

The table represents a linear function. Write a rule for this function in the

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Answer:

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