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just olya [345]
3 years ago
14

On a coordinate plane, triangle D E F has points (negative 8, 8), (10, negative 2), and (negative 8, negative 8). Find the area

of the triangle DEF. Area = ___ square units
Mathematics
1 answer:
defon3 years ago
7 0

Answer:

144

Step-by-step explanation:

just did it

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A television costs $270.25 including 15% tax. How much of cost is the tax
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229.7125

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Which fractions are equievalent? a.20/5 b.-20/5 c.20/-5 d. -20/-5 e.- 20/5
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D) -20/-5 because a negative divided by a negative is a positive.

Step-by-step explanation:


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Use distributive property to write the expression withoit parenthesis: 3(7x+4)​
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21x + 12

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6 0
3 years ago
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Whats a number between 1 and 50 with 8 factors.
Natasha_Volkova [10]

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30

Step-by-step explanation:

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7 0
3 years ago
Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2
ollegr [7]

Answer:

2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

Step-by-step explanation:

Perimeter is defined as the sum of sides.

For a rectangle having dimension length 'L' and breadth 'B' Since, rectangle has two sides equal.

Perimeter of rectangle = 2 ( length + breadth )

Here, given rectangle has dimension

Length = 2x^2-16 and breadth = -x^2+4x+1

Thus, perimeter of rectangle = 2(2x^2-16+(-x^2+4x+1))

                                              =2(2x^2-16-x^2+4x+1)

                                               =2(x^2+4x-15)

                                                =2x^2+8x-30

Thus, perimeter of rectangle is 2x^2+8x-30   ........(1)

Perimeter of rectangle , when x = 3,

Put x= 3 in (1) ,

2x^2+8x-30\Rightarrow 2(3)^2+8(3)-30 \Rightarrow 18+24-30=12

Thus, 2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.




5 0
3 years ago
Read 2 more answers
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