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Doss [256]
2 years ago
10

A circle is centered at the point (-7,-1) and passes through the point (8, 7). The radius of the circle is ___ units. The point

(-15, __ ) lies on this circle
Mathematics
1 answer:
trapecia [35]2 years ago
5 0

Answer:

(x + 7)2 + (y + 1)2 = r2.

To get we use point (8, 7): (8 + 7)2 + (7 + 1)2 = r2, r2 = 225 + 64 = 289 = 172.

So, equation of circle: (x + 7)2 + (y + 1)2 = 289

Step-by-step explanation:

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Alekssandra [29.7K]

Answer:

The answer is 11 + 15√5 or in decimal form, 44.54

Step-by-step explanation:

Just find the square root of the numbers and answer the rest of the question.

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7 0
3 years ago
Ab+d=5c solve for b.
Law Incorporation [45]

Answer:

(5c-d)/a = b

Step-by-step explanation:

First you would bring the d to the right side of the equation

ab=5c -d

Then, you will divide the right side of the equation by a to find the value of b

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6 0
3 years ago
Anybody know this ? Please help :(
Ad libitum [116K]

Answer:

D

Step-by-step explanation:

5.50. 5.50+0.25= 5.75, 5.75+0.25= 6.00, 6.00+0.25= 6.25, 6.25+0.25= 6.50

Option D is the answer:

5.50, 5.75, 6.00, 6.25, 6.50...

5 0
3 years ago
Complete the statement to explain why 8,000 ÷ 800 = 10.
skad [1K]
Because the numbers are the same they just have different amounts of zeros so 8,000 has 3 Zeros 800 has 2 so 2 zeros cancel out and 8 cancel eachother so you are left with 10
3 0
3 years ago
Read 2 more answers
Raghu invested Rs. 60000 and Nazar Rs. 100000 and started a business. Within one month a profit of Rs. 4800 was obtained. Raghu
amm1812

Answer:See explanation

Step-by-step explanation:

Raghu investment = Rs 60,000

Nazar investment = Rs 100,000

Raghu profit = 1800

Nazar profit = 3000

Raghu invested Rs. 60000 and Nazar Rs. 100000. The ratio of their investments will be:

= 60000/100000

= 3/5

= 3:5.

The ratio of their profit will be:

= 1800/3000

= 3/5

= 3:5

Since we have identical ratio, we can then say that the investment and the profit are divided proportionally.

3 0
3 years ago
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