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liraira [26]
3 years ago
11

Which expressions are equivalint to 3x +2(x - 1) -4

Mathematics
2 answers:
zepelin [54]3 years ago
5 0

Answer:

B. 5x - 6

Step-by-step explanation:

You just need to expand the expression, 3x + 2(x - 1) - 4

1) expand the brackets first (laws of arithmetic), 3x + 2x - 2 - 4

2) Simplify and you will get 5x - 6 which is option B

Lerok [7]3 years ago
4 0

Answer:

A.  3x +2(x - 1) -4 and B. 5x-6

Step-by-step explanation:

One of the answers is letter A because its the same exact expression as stated in the question. The other answer is B because of the distribution property you multiple x by 2 and multiply -1 by 2. This now gives us the expression 3x+2x-2-4. Now we add/subtract like terms and that gives the the answer 5x-6. I hope this helps.

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Elise and her dad are planning to attend the state fair. An adult ticket is $21.00. The price of an adult ticket is $10.00 more
sashaice [31]

Answer:The equation to determine how much Elise will pay for a student ticket is 2x = 33

Step-by-step explanation:

Let x represent the price of one student ticket.

Elise and her dad are planning to attend the state fair and the price of an adult ticket is $21.00

The price of an adult ticket is $10.00 more than two thirds the price of a student ticket. This means that

21 = 2/3 × x + 10

The equation to determine how much Elise will pay for a student ticket would be

2x/3 + 10 = 21

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x = 33/2 = $16.5

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3 years ago
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Answer:

A.

Step-by-step explanation:

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7 0
2 years ago
NEED HELP FINDING SLOPE OF THE LINE
mamaluj [8]

Answer:

slope = - \frac{2}{3}

Step-by-step explanation:

calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 4, 2) and (x₂, y₂ ) = (2, - 2) ← 2 points on the line

m = \frac{-2-2}{2-(-4)} = \frac{-4}{2+4} = \frac{-4}{6} = - \frac{2}{3}

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1 year ago
How many times can 5 go into 1620
kaheart [24]
1620/ 5 is =324
To check just multiply
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5 0
3 years ago
Sue’s height is 3 inches less than Ed’s height. Ed is 56 inches tall. How tall is Sue? Write an equation to represent the situat
belka [17]

Answer:

S = E - 3

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Step-by-step explanation:

Let Sue's age be represented by S and Ed's by E

Equation:

S = E - 3

E = 56 inches

S = 56 - 3 = 53 inches

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3 years ago
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