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Ronch [10]
3 years ago
9

IS THE ANSWER A??? please explain​

Mathematics
1 answer:
Ne4ueva [31]3 years ago
3 0

Step-by-step explanation:

D. must be the richt answer.

(x - Px)^2 + (y - Py)^2 = r^2

Where P(Px | Py) is the center of the circle.

If you insert one point of the circle, the equation must be true.

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a school ruler has metric on one side and customary units on the other .if the ruler is 12 inches long how many centimeters long
JulijaS [17]

And the conversion for the inch to the centimeter is 1 inch = 2.54 cm exactly. So, in the same vCalc conversion equation (Length Conversion), if you input 1 inch, you get out 2.54 cm. So, he rephrased answer to your question is: there are 30.48 centimeters on a standard 12 inch ruler.
7 0
4 years ago
A manufacturer of household washing machines wants to determine the effectiveness of the type of detergent used (three brands –
ololo11 [35]

Answer:

Two-Factor ANOVA with replication

Step-by-step explanation:

Types of detergent used ( A,B,C ) = 3

Length of time for the washing cycle : A = 18 mins, B = 20 mins, C = 22 mins

number of laundry loads = 18

significance level = 5%

The alternative hypothesis for testing the interaction is a Two-Factor ANOVA with replication this is because the factors that have variations are the : The type of detergent and the length of time for a washing cycle while the load is constant for all.

5 0
3 years ago
-240=8y<br><br> Plz Answer plz plz
tino4ka555 [31]

Answer:

<h2><em><u>y = -30</u></em></h2>

Explanation:

-240 = 8y

  • Switch sides

8y = -240

  • Divide each side by 8

8y / 8 = -240 / 8

  • Simplify
<h2><em><u>y = -30</u></em></h2>

- PNW

6 0
3 years ago
At the North Fair you earn 9 points for each bull's eye you hit, but you lose 7 points for each miss. After 25 tries, Linda has
Juliette [100K]
Linda had (B) 13 hits. 13*9 - 12*7 would equal 33.
6 0
3 years ago
Read 2 more answers
Another one: (12 - 7.5) - 7
mixas84 [53]

Answer:

-2.5

Step-by-step explanation:

Plugged into calculator

5 0
3 years ago
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