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ohaa [14]
3 years ago
7

Multiply, (2x^4-3y^2)(x^2+5y^4)

Mathematics
2 answers:
Ad libitum [116K]3 years ago
7 0
10x^4y^4+2x^6-15y^6-3x^2y^2
aleksandr82 [10.1K]3 years ago
4 0
To answer this question, I use FOIL (First, Outside, Inside, Last)

First: 2x^4 x x^2 = 2x^6
Outside: 2x^4 x 5y^4 = (10xy)^8
Inside: -3y^2 x x^2 = (-3yx)^4
Last: -3y^2 x 5y^4 = -15y^6

Now you just add all the answers up :)

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EF is a median of trapezoid ABCD. If the length of AB is 8x, and the length of CD is 20x, what is the length of EF in terms of x
grin007 [14]

To answer your question, the length of EF in terms of x is 14x. I am hoping that this answer has satisfied your query and it will be able to help you, and if you would like, feel free to ask another question.

8 0
3 years ago
Help me quick I’m stuck
cricket20 [7]

Answer:

the Pythagorean theorem, or Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares on the other two sides. This theorem can be written as an equation relating the lengths of the sides a, b and c, often called the Pythagorean equation: a²+b²=c², where c represents the length of the hypotenuse and a and b the lengths of the triangle's other two sides.

It basiclly

square

Step-by-step explanation:

4 0
3 years ago
A bag contains 8 red balls and 6 blue
Andreyy89

Answer:

The probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

Step-by-step explanation:

Since a bag contains 8 red balls and 6 blue balls, and Radhika takes three balls at random from the bag, without replacement, to calculate the probability that the three balls are the same color, the following mathematical operations must be performed:

8 + 6 = 14

14 = 100

8 = X

8 x 100/14 = X

800/14 = X

57.14 = X

100 - 57.14 = 42.86

0.5714 ^ 3 = X

0.1865 = X

0.4286 ^ 3 = X

0.0787 = X

Therefore, the probability that all 3 balls are red is 18.65%, while the probability that all 3 balls are blue is 7.87%.

5 0
2 years ago
Do you know what 3.3 to the second power is?
galina1969 [7]
3.3^2 means 3.3 times itself 2 times or 3.3 times 3.3 or (use calculator)10.89
smaller powers (that's what 3.3^2 is, it means 3.3 to the second power) sometimes use different words to denote powers exg

x^2=x squared (square=2dimentionsl)
x^3=x cubed (cube=3 dimentionsl)
then x^4=x to the fourth, and so on
fifth, sixth, tecnth
6 0
3 years ago
Read 2 more answers
2) Prove that these two lines are parallel:
borishaifa [10]

Answer:

if the two lines have the same slope that means they are parallel

3 0
3 years ago
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