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NARA [144]
3 years ago
5

4. The manager of a furniture store bought 25 vases at a total cost of

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0
B is the correct answer
Kamila [148]3 years ago
5 0

The answer is D. 25

All that was need to be done was to divide

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A circle is defined by the equation x2 + y2 + 8x + 22y + 37 = 0. What are the coordinates for the center of the circle and the l
inn [45]
We can say that:
8x = -2ax
8 = -2a
a = -4

22y = - 2by
22 = -2b
b = -11

37 = a² + b² - r²
37 = (-4)² + (-11)² - r²
r² = 16 + 121 - 37
r² = 100
r = 10

With all this information, we can say that:
The center of the circle is: (-4 ; -11)
and the radius of the circle is r = 10

P.S:
(a - x)² + (b-y)² = r²
a² - 2ax + x² + b² -2by + y² - r² = 0
x² + y² -2ax - 2by + a² + b² - r² = 0

6 0
3 years ago
What is 16x4 – 100y4 factored completely
Zanzabum

Answer:

16x^4-100y^4

Step-by-step explanation:

16x^4-100y^4

Since there aren't any like terms, the answer would be:

16x^4-100y^4

Hope this helps!

7 0
3 years ago
Read 2 more answers
The length and the breadth of a rectangular piece of land are 500m and 300m respectively. Find it’s area
katrin [286]
Area of a rectangle = Length x Breadth
The required area = 500 x 300
= 150000 m^2
6 0
3 years ago
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7/9-2n+1/9 simplify the fraction please help!
koban [17]

Answer: -2*(9n-4)/9

Step-by-step explanation: The -2*(9n-4) is over the 9

7 0
3 years ago
Can someone help me figure this one out?
Alekssandra [29.7K]

the equation of the line is

y = 6/5xy + 7/5x - 2/5

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3 years ago
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