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soldier1979 [14.2K]
2 years ago
12

Find an equation of the circle having the given center and radius. Center (-7, 6), radius 6

Mathematics
1 answer:
Basile [38]2 years ago
4 0

Answer:

36 = (x+7)^2 + (y-6)^2

Step-by-step explanation:

6^2=(x-(-7))^2 + (y-6)^2

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The cost of 2pounds if potatoes is $3.78 what is the constant of proportionality that represents the relationship between the co
Nana76 [90]

Answer:

The constant of proportionality is 1.89

Step-by-step explanation:

2 pounds = $3.78

1 pound = $3.78/2 = $1.89

Cost y is directly proportional to the pound of potato

y = 1.89x

The constant of proportionality is the cost of 1 pound of potato, and it is 1.89

7 0
3 years ago
I need help on this question
Morgarella [4.7K]

Answers : A and D

Step - by - step explanation :

tip : when finding constant of proportionality it's always Y divided by X

A = what is 22.5 divided by 3 ?  7.5 ( now multiply 7.5 by the next X [ 4 ] )

what is 7.5 x 4 ?  30 ( and since on the graph it also says 30 then you can assume this one has a proportional relationship )

B = what is 12 divided by 3 ?  4 ( now multiply 4 by the next X [ 5 ] )

what is 4 x 5 ?  20 ( and because the graph says 25 then you know it's NOT a proportional relationship )

C = what is 8.5 divided by 2 ?  4.25 ( now multiply 4.25 by the next X [ 5 ] )

what is 4.25 x 5 ?  21.25 ( and because the graph says 22.5 then you know it's NOT a proportional relationship )

D = what is 10 divided by 2 ?  5 ( now multiply 5 by the next X [ 3 ] )

what is 5 x 3 ?  15 ( and since on the graph it also says 15 then you can assume this one has a proportional relationship )

( sorry it took me so long to write this )

6 0
2 years ago
Write the absolute value equations in the form x−b=c (where b is a number and c can be either number or an expression) that have
umka21 [38]

Answer:

|x + 6| = 2

Step-by-step explanation:

|x - b| = c

b is the centre: (-4-8)/2 = -6

b = -6

c is the distance from the centre

-6 - (-8) = -6 + 8 = 2

Or,

-4 - (-6) = -4 + 6 = 2

| x - (-6)| = 2

|x + 6| = 2

7 0
3 years ago
Read 2 more answers
How to solve for x 5x-8=18+4,for x=6
lbvjy [14]
Hey there,

Question : <span>How to solve for x 5x-8=18+4,for x=6

Answer :
5x - 8 = 18 + 4
5(6) - 8 = 18 + 4
30 - 8 = 18 + 4
22   = 22
Thus we can say that 6x = 30
6x = 30 
x = 30 / 6
   = 5

Hope this helps :))

<em>~Top♥</em>
</span>
7 0
3 years ago
Please help me solve this problem
Stells [14]

Answer:

$180

Step-by-step explanation:

To solve, we can set up a proportion and solve.

You earn $45 for 7.5 hours of work, and you earn $ x for 30 hours of work

45/7.5=x/30

Cross multiply

45*30=7.5*x

1350=7.5x

To solve for x, we need to get x by itself. It is being multiplied by 7.5. To undo this, divide both sides by 7.5

1350/7.5=7.5x/7.5

180=x

So, for 30 hours of work, you would earn $180

5 0
3 years ago
Read 2 more answers
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