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guapka [62]
2 years ago
7

3. Which expression is equivalent to 1+2(x-1)

Mathematics
1 answer:
padilas [110]2 years ago
8 0

Answer:

<em>2x - 1</em>

Step-by-step explanation:

<u>Equivalent Algebraic Expressions </u>

One algebraic expression can be written in several ways by applying known rules and theorems that modify expressions without changing its final value.

The expression:

1 + 2(x - 1)

Can be modified by applying the following operations:

Multiplying the constant by the contents in parentheses:

1 + 2x - 2

Collecting like terms:

-1 + 2x

Or, equivalently:

2x - 1

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What values of x and y make BCD UST?
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I do not know

Step-by-step explanation:

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3 years ago
Who has the right to levy taxes on the income of individuals and businesses by the ruling of the 16th Amendment of the Constitut
Salsk061 [2.6K]
Congress can levy taxes.
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3 years ago
Give EG = 5x+7 EF =5x and FG=2x-7
Len [333]

Answer:

x = 7

42, 35, 7

Step-by-step explanation:

  • EG = 5x+7
  • EF = 5x  
  • FG = 2x-7

Point F is on line segment of EG, therefore EG = EF + FG

  • 5x + 7 = 5x + 2x - 7
  • 2x = 14
  • x = 7

Then

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7 0
3 years ago
the city of brice is planning to build a skate park. An architect designed the area shown at the right. in the plan, the perimet
Amiraneli [1.4K]

The actual skate park's perimeter is 130 inches.

Explanation:

Step 1; Assume the initial garden has a width of y inches. It is given that the length is 25 inches. The perimeter of any given rectangle is twice the sum of the length and the width of the same rectangle. The initial perimeter is given as 80 inches.

Perimeter = 2 × (length of the rectange + width of the rectangle).

80 = 2 × (25 + y), 40 = 25 + y, y = 40 - 25 = 15

So the initial park has a width of 15 inches.

Step 2; Now we calculate the actual skate park's perimeter. The length is given as 50 inches and the width was found to be 15 inches.

Perimeter = 2 × (length of the rectange + width of the rectangle).

Perimeter = 2 × (50 + 15) = 2 × 65 = 130 inches.

5 0
3 years ago
Please help!! I have no idea what I’m doing here
Maurinko [17]

Hello from MrBillDoesMath

Answer:   SAS,  the second choice

Discussion:

The sides with  a single "tick mark" in each triangle have the same length.

The sides with  two "tick marks"  in each triangle have the same length.

Finally the angle shown in each triangle is the same.

Hence we have congruence by  S(ide)-A(ngle)-S(ide) which is the second bullet point from the top of the list.


Thank you,

Mr. B

8 0
3 years ago
Read 2 more answers
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