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3 years ago

Simplify- 9x^2y^3+2x^2-2y^3

Mathematics

1 answer:

borishaifa [10]3 years ago

8 0

Answer:math+way will give you the correct answer

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Find an equation for the vertical line through the point (6, -6).

gogolik [260]

Answer:

x=6

Step-by-step explanation:

Since the line is vertical, it has no slope. This means that it will only go through points that have an x-coordinate of 6.

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3 years ago

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40 points!! Find the length of segment ZY in the given triangle.

mixas84 [53]

Answer:I don’t write English you should translate

Áp dụng tính chất của đường trung bình ta có:

20+x=2.(2x+22)

20+x=4x+44

X-4.x=44-20

-3.x=24

X=24/-3x=-8

Trong độ dài ko có độ âm nên tất cả đại lượng hình học đều mang dấu (+) vì vậy kết quả cuối cùng sẽ là 8

Step-by-step explanation:

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3 years ago

12.89503 rounded to the hundreths is

Mariulka [41]

$\text{The hundredths place is the 2nd place after the decimal}\\\\\text{The number in the hundredths place in this case is 9}\\\\\text{You would round up if the number to the right of it it's 5 or greater}\\\\\text{You would keep it the same if the number to the right of it is 4 or less}\\\\\text{The number to the right of 9 is 5, so round up}\\\\\text{When you round, it would turn into: 12.90, since the 9 turns into a "10",}\\\text{then you carry the one over to the next number}\\\\$

$\boxed{\text{Answer: 12.90}}$

7 0

3 years ago

Why are the solutions to the proportions StartFraction 40 over 8 EndFraction = StartFraction x over 10 EndFraction and StartFrac

Annette [7]

Answer:Because both result in the equation 8x = 400 which simplifies to 50.

Step-by-step explanation:

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3 years ago

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I really need helppppp

JulijaS [17]

Answer:

The correct answer is C.

Step-by-step explanation:

In the equation of a circle, if the variable $x$ and $y$ are added or subtracted by any number before being squared, the entire circle with be translated in the opposite amount that was added or subtracted to the circle. For example, $(x-8)^2 + (y-8)^2$ shifts the center 8 to the right and up of the origin, $(x+1)^2+(y+4)^2$ shifts the center 1 to the left and 4 down of the origin. Since the circle represented in the graph is centered directly on the origin, that means the equation will have $x^2+y^2$ , which helps you eliminate choices A and C. For the equation of a circle, the radius is the value of the constant on the right side of the equal sign taken to its square root. Since the radius of this circle is 8, that means the constant at the right side of the circle would be 64 or $8^2$ , so the correct answer would be choice C: $x^2+y^2=8^2$ .

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3 years ago