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ZanzabumX [31]
3 years ago
15

Will the solution (4, 6) satisfy the following equation: x + y = 18?

Mathematics
2 answers:
ss7ja [257]3 years ago
8 0
No it doesn’t match
4+6 =10
4+6≠18
vovangra [49]3 years ago
4 0
No because 4+6= 10 not 18
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The equation for a circle is ​x^2 − 8x + y^2 - 2y - 8 = 0
Ivanshal [37]

Answer:

B

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

To obtain this form use the method of completing the square

Given

x² - 8x + y² - 2y - 8 = 0 ( add 8 to both sides )

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add ( half the coefficient of the x/y terms )² to both sides

x² + 2(- 4)x + 16 + y² + 2(- 1)y + 1 = 8 + 16 + 1

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3 years ago
9x+2y and 11xy equivalent
inysia [295]
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7 0
3 years ago
Rosa is saving money for a trip. She has already saved 250$ and plans to save $40 per week. This situation can be represented by
Grace [21]

Answer:

After 6 weeks Rosa has saved $490.

Step-by-step explanation:

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f(x)=250+40x

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7 0
3 years ago
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elena-s [515]

Answer:

see image...

start with Graphing Form: y = a(x-h)²+ k

knowing that h is the x value (negative of it)  of the vertex , and k is the y value of the vertex

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you are also given that when the x value is 5 the y value has to be 0

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a has to be - 1/2    

   

Step-by-step explanation:

8 0
3 years ago
you can calculate the probabilityof a random event, such as the rolling of dice or dealing of cards, by _____
Tasya [4]

Answer:

Making a fraction.

Step-by-step explanation:

Put the favored outcome as the numerator. Then, put the total number of outcomes as the denominator and boom, you have calculated probability. *Thumbs Up*

7 0
3 years ago
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