Which trinomial is equivalent to 3(x-2)^2 - 2(x-1)

Answers

Answer 1

Answer: (a-b)²=(a²-2ab+b²)

3(x-2)²-2(x-1)
=3(x²-4x+4)-2(x-1)
=3x²-12x+12-2x+2
=3x²-14x+14

Answer: 3x²-14x+14

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Solve this question? 7x - 3x +7 =3 (x - 4)+20

Answers

x=1

To solve this you start by adding like terms on the left side and doing the distributive property and adding like terms on the right. This would get you
4x+7=3x+8

Then you minus 3x on both sides getting
x+7=8

Then subtract 7 from both sides getting x=1.

7x - 3x + 7 = 3 ( x - 4 ) +20
⇔ 4x + 7 = 3x - 12 + 20
⇔ 4x - 3x = 8 - 7
⇔ x = 1

Eight days = _ hours
Please tell me

Answers

In order to answer this question, you need to know how many hours
there are in one day. After that, it's a piece-o-cake.

1 day = 24 hours .

Now you can make a table:

1 day = 24 hours
2 days = 48 hours
3 days = 72 hours
4 days = 96 hours
5 days = 120 hours
6 days = 144 hours
7 days = 168 hours
8 days = 192 hours
9 days = 216 hours
10 days = 240 hours

1 day = 24 hours.
8 days equal 192 hours (multiply 8 days by 24).

Or another way to think about it:
1 day 8 days
------------ = ----------
24 hours x hours

Cross multiplying,
x = 8*24
x = 192

Luis has a biweekly gross pay of $770 and claims 2 federal withholding allowances. Luis has all of the following deductions from his gross pay:HEEEEEEEELLLP ASAAP! PLZZZZ

Answers

Answer:

the answer is D

Step-by-step explanation:

took the test

Multiply the gross pay by 26 to receive the annual pay which would be $770*26=$20,020. The payer claims 2 allowances, so you take $4,050 and multiply it by 2 and get a $8,100 annual pay deduction.

I hope this helps, feel free to ask anymore questions!

Which statements are true about the reflectional symmetry of a regular heptagon? Check all that apply. It has only 1 line of reflectional symmetry. A line of symmetry will connect 2 vertices. A line of symmetry will connect a vertex and a midpoint of an opposite side. It has 7-fold symmetry. A line of symmetry will connect the midpoints of 2 opposite sides.

Answers

Answer:

A line of symmetry will connect a vertex and a mid point of an opposite side, it has 7 fold symmetry.

Step-by-step explanation:

When the figure can be folded over onto itself along a line. This line is called the "line of symmetry" and this exists for the rotational symmetry.

If we connect a vertex and a midpoint of an opposite side of an heptagon by drawing a line, we will obtain two equal halves.

Also, a heptagon has seven vertices, therefore it has 7 fold symmetry.

The true statements about the reflectional symmetry of a regular heptagon are:

A line of symmetry will connect a vertex and a mid-point of an opposite side,
it has 7 fold symmetry.

The line of symmetry of a shape divides the shape into equal segments

A regular heptagon has 7 sides.So, it has 7-fold symmetry

Also, the line of symmetry passes through the midpoint and meets the opposite vertex.

Hence, the true statements are: (b) and (c)

Read more about line of symmetry at:

brainly.com/question/547436

The ratio of the side lengths of two regular hexagons is 3 to 7. If the area of the smaller hexagon is 18 square units, then the area of the larger hexagon is ________.

Answers

$(side_1)/(side_2)=(3)/(7)\n\n(Area_1)/(Area_2)=\left((3)/(7)\right)^2=(9)/(49)\n\n(18)/(Area_2)=(9)/(49)\n\ncross\ multiply\n\n9Area_2=18\cdot49\n\nArea_2=(18\cdot49)/(9)\n\nArea_2=2\cdot49\n\nArea_2=98$

What is the value of the expression below when w = 5?
2w2 – 2w + 3

Answers

Answer:

I got you

Step-by-step explanation:

2 time 5 times 2 is 20. This minus 2 times 5 is 10 plus 3 is 13.

Answer:13

Step-by-step explanation:

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