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Rasek [7]
3 years ago
11

Add Linear Expression. (8x + 9 ) + (- 6x -2 )

Mathematics
2 answers:
BartSMP [9]3 years ago
8 0

Answer:

2x+7 is the answer......

ZanzabumX [31]3 years ago
8 0
Answer:

2x + 7

Explanation:

8x + 9 - 6x - 2

2x + 7
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5 0
3 years ago
What is the area of an isosceles trapezoid, if the lengths of its bases are 16 cm and 30 cm and the diagonals are perpendicular
kicyunya [14]

Call the point of intersection of the diagonals point X.

Each base is the hypotenuse of an isosceles right triangle whose sides are the diagonals and whose 90° angle is at X. The altitude of that triangle (⊥ distance to the base from X) is half the length of the hypotenuse. Then the height of the trapezoid is half the sum of the base lengths.

The area of the trapezoid is the product of the height and half the sum of the base lengths, hence is the square of half the sum of the base lengths.

... Area = ((16 cm +30 cm)/2)² = (23 cm)² = 529 cm²

4 0
3 years ago
What are the chances of randomly selecting an odd number from the numbers 1-16?
jok3333 [9.3K]

Answer: 8/16

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5 0
2 years ago
Read 2 more answers
What is the discriminant of f(x)=2x^2+8x+16 <br>and the number and type of roots​
vfiekz [6]

Answer:

2 imaginary roots

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The discriminate is the portion of the quadratic equation under the square root

D = b^2 - 4ac

D = 8^2 - 4(2)(16)

D = 64 - 128

D = -64

Since the discriminate is negative the square root will be imaginary

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7 0
2 years ago
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What is 30/45 simplest form
Marysya12 [62]
\dfrac{30}{45}=\dfrac{30:15}{45:15}=\dfrac{2}{3}
5 0
3 years ago
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