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ArbitrLikvidat [17]
3 years ago
9

What is the standard form of the equation of the circle with center (-2, -3) and a radius of √2/4?

Mathematics
1 answer:
Lesechka [4]3 years ago
7 0
Centre of circle = (-2, -3)

Equation of the circle:

( x - ( -2) )² + ( y - (-3) )² = (√2/4)²

(x + 2)² + (y + 3)² = 1/8 (Answer D)

You might be interested in
A company is divided into 50,000 shares. An investor purchases 1,000 shares. What percent of the company does the investor own?
AnnZ [28]

Answer:

Step-by-step explanation:

percentage is per 100.

If we have to find x as percentage of y then

formula for percentage is given by = x/y*100

_______________________________________________

Given

total no. of shares = 50,000

Share bought by investor = 1,000

Percentage of share bought by investor

= Share bought by investor/total no. of shares *100

= (1000/50000)*100 = 2%.

It means that if  there are 100 shares for company then investor owns 2 shares of the company. This makes the qualitative analysis easy.

2% percent of the company does the investor own.

7 0
3 years ago
It is desired to determine whether there is less variability in the silver plating done by Company 1 than in that done by Compan
uysha [10]

Answer:

The conclusion is True

Step-by-step explanation:

Solution:

- The standard deviation of company s1 = 0.035

- The standard deviation of company s2 = 0.062

- Null Hypothesis : s1^2 = s2^2

- Alternate hypothesis : s1^2 < s2^2

- Criteria to reject Null: M > M_a ( 12 - 1 , 12 - 1 )

- From Tables,  M > 2.82

- M - statistics value M = s2^2 / s1^2

- M = (0.062 / 0.035)^2 = 3.14

- M = 3.14 > 2.82 ... Criteria of rejection is met

- Null Hypothesis must be rejected at level of significance a = 0.05

- p value, 1 - 0.965 = 0.035 < 0.05 ( Significance Level )

- The conclusion is True

8 0
4 years ago
Sarah and Eva took a road trip. Sarah
cestrela7 [59]

Answer:

around like 51.2 miles driven

8 0
3 years ago
-3 × 15v can you answer this
Goryan [66]

Question

-3 × 15v can you answer this


Answer:

<h2>-45v</h2>

Step-by-step explanation:

-3 * 15v =

-45v


6 0
3 years ago
What is the value of z in the equation 4×2-z=7?
sladkih [1.3K]
<span>4×2-z=7
⇒ 8 - z = 7
⇒ 8 - 7 = z
⇒ 1 = z
</span>
3 0
3 years ago
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