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Bad White [126]
3 years ago
11

Find the center and radius of the circle and sketch its graph X^2+y^2=9

Mathematics
1 answer:
Vaselesa [24]3 years ago
6 0

Answer:

Centre (0,0)

Radius √9 = 3

I've attached a graph if the circle with it

Answered by GAUTHMATH

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Me need help in math:(help fast
Kamila [148]

Answer:

9.5 feet

Step-by-step explanation:

15.5-6=9.5

6 0
3 years ago
The price of a car is £2750.
Katyanochek1 [597]

Answer: $2200

Step-by-step explanation:
20% = 0.2
2750 x 0.2 = 550
2750 - 550 = 2200

OR


2750 x (1-0.2) =
2750 x (0.8) = 2200

4 0
2 years ago
Read 2 more answers
Happy Store realizes a mark-up of PhP3,450 in selling TV sets. If its items are sold at a
Anna007 [38]

Answer:

Below is the answer.

Step-by-step explanation:

let s = the selling price.

the selling price presumably includes the cost plus the mark up plus the anticipated profit.

you have s = c + m + p

since m = 3450 and m = .4 * s, then you get:

.4 * s = 3450.

solve for s to get = 3450 / .4 = 8625.

your equation of s = c + m + p becomes:

8625 = c + 3450 + p

you don't know what p is supposed to be.

you don't know what c is supposed to be.

you need p to solve for c.

you need c to solve for p.

the best you can do is solve for c in terms of p, or solve for p in terms of c.

solving for c in terms of p gets you:

c = 8625 - 3450 - p which becomes c = 5175 - p

solving for p in terms of c gets you:

p = 8625 - 3450 - c which becomes p = 5175 - c.

you say that overhead expenses are 27% of the cost.

does this assume that overhead expenses are included in the cost.

regardless, if you don't know the cost, you can't solve for the overhead expenses.

i don't think you can solve this problem with the information given.

you might want to check to see if you're missing some information required to solve it.

7 0
2 years ago
Read 2 more answers
16. What is the value of the expression (x + 5)(2y - 1) when x = 1 and y=-1?
nirvana33 [79]

Answer:

A

Step-by-step explanation:

If you sub in all the values, you get [1+5][2(-1)-1]. Now combine like terms. 1+5 is 6 and 2*-1-1=-3. 6*-3=-18 so the answer is A.

5 0
3 years ago
Find the distance between the points (3,-5) and (3,7)
Eva8 [605]

Answer:

12

Step-by-step explanation:

They already have the same x so just find the difference between -5 and 7

4 0
3 years ago
Read 2 more answers
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