All categories

3 years ago

A circle has the equation x2+ 12x+y2 -8y = 73.

Mathematics

1 answer:

Gemiola [76]3 years ago

6 0

Step-by-step explanation:

x² + 12x + y² - 8y = 73

(x² + 12x + 36) + (y² - 8y + 16) = 73 + 36 + 16

(x + 6)² + (y - 4)² = 125.

Hence the coordinates of the center is (-6, 4).

Since (16 + 6)² + (-1 - 4)² = 22² + (-5)² = 509 and 509 is not equal to 125, (16, -1) does not lie on the circle.

You might be interested in

If A={3,5,7,9} and

Dennis_Churaev [7]

Answer:

a. (7,9) this both includes in both sets hence the right answer is a.

8 0

3 years ago

Divide. 0.0075 ÷ (1.5 x 10−6) write your answer in scientific notation.

Alborosie

0.0075 ÷ (1.5 x 10^-6) = (7.5 x 10^-3) ÷ (1.5 x 10^-6) = (7.5 ÷ 1.5) x (10^(-3 - (-6))) = 5 x 10^(-3 + 6) = 5 x 10^3

4 0

3 years ago

Yoo im tryna win 100,000 dollars anyone want to help

Mila [183]

Answer:

for what lol

Step-by-step explanation:

5 0

3 years ago

The opening balance of one of Jennies 30-day billing cycles for her credit card was $1220, and it remained that amount for the f

natima [27]

Answer:

1) 2.71%

2) $38.32

Step-by-step explanation:

Opening balance = $1220

Balance after 10 days (after expense) = $1690

Balance after 10 days(after payment) = $1340

APR = 33%

1) Periodic interest rate = APR × $\frac{No. of days in a billing cycle}{365}$

= 33%× 30/365

= 2.71%

2) Interest charged for first 10 days = $\frac{1220*2.71*\frac{10}{30} }{100}$

= $11.02

Interst charged for the next 10 days = $\frac{1690*2.71*\frac{10}{30} }{100}$

= $15.2

Interest charged for the next 10 days = $\frac{1340*2.71*\frac{10}{30} }{100}$

= $12.10

Total interest for 30 days = 11.02+15.2+12.10

= $38.32

6 0

4 years ago

Pls tell me what is 152 + 466

kirza4 [7]

The answer is 618

152

466

——-

618

Hope I helped you! :]

3 0

3 years ago

Read 2 more answers