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kow [346]
3 years ago
13

#15. Write the equation of each circle.

Mathematics
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

Step-by-step explanation:

The center is at (1,-2) from the graph.

The radius is 2 [3 - 1 on the horizontal]

The equation of the circle is

(x - 1)^2 + (y + 2)^2 = 2^2

(x - 1)^2 + (y + 2)^2 = 4

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Find the value of x and the value of y for which (x,23) and (18,y) ate the points on the graph y=0.5x+15
shutvik [7]

Answer:

x=16; y=24

Step-by-step explanation:

for (x,23), 23=0.5x+15

x=16

for (18xy), y=0.5*18+15=24

8 0
3 years ago
Write the expression nine divided by the quantity of x plus y
seropon [69]

9514 1404 393

Answer:

  \text{A)}\quad\dfrac{9}{x+y}

Step-by-step explanation:

In the English expression, you need to understand that "A divided by B" means that A is the numerator and B is the denominator of the fraction representing the division. Here, "B" is "the quantity of ...", which means that the stuff after "of ..." is to be treated as a single item, the denominator in this case. That item is "x plus y." So, the expression in math terms is ...

  \dfrac{9}{x+y}

When this is written in plain text, the "quantity" is put in parentheses, because the fraction bar no longer serves as a grouping symbol:

  9/(x+y)

These expressions match the first choice, A.

7 0
2 years ago
Mr. Niles used of a carton of eggs to make breakfast Saturday. He used of the carton on Sunday. How many more eggs did he use on
nikklg [1K]

Answer:

C. 3 eggs

Step-by-step explanation:

Mr. Niles used 5/12 of a carton of eggs to make breakfast Saturday. He used 2/12 of the carton on Sunday. How many more eggs did he use on Saturday?

A. 7 eggs

B. 4 eggs

C. 3 eggs

D. 1 egg

A carton of egg = 12 eggs

Saturday

5/12 of a carton of egg

= 5/12 × 12

= 5 eggs

Mr. Niles used 5 eggs on Saturday

Sunday:

2/12 of a carton of egg

= 2/12 × 12

= 2 eggs

Mr. Niles used 2 eggs on Sunday

How many more eggs did he use on Saturday?

= 5 eggs - 2 eggs

= 3 eggs

C. 3 eggs

7 0
2 years ago
What is the area of this triangle?<br><br> A=Bh/2
Westkost [7]

Answer:

12×5 is 60÷2 is 30

Step-by-step explanation:

the area is 30m square

6 0
2 years ago
Pls help find x of this and help me understand how to find it :)​
Mkey [24]
The answer is -8 the angles of the triangle are 180 so
180=42+x+76+x+78
180=2x+196
2x=-16
x=-8
5 0
2 years ago
Read 2 more answers
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