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RUDIKE [14]
2 years ago
8

E.C. What is the standard equation of a circle with center (h,k) and radius r in the coordinate plane?

Mathematics
2 answers:
vitfil [10]2 years ago
8 0

Answer:

(x − 4)2 + (y + 6)2 = 25

(x − 4)2 + (y − (-6))2 = 52

When I compare my equation with the standard form, (x − h)2 + (y − k)2 = r2, I get h = 4, k = -6, and r = 5. The center is at (4, -6), and the length of the radius is 5.

Step-by-step explanation:

edmentum

LuckyWell [14K]2 years ago
4 0

Answer:

(x-h)^2 + (y-k)^2 = r^2

Step-by-step explanation:

Here, we want to write the standard equation of the circle

We have this as;

(x-h)^2 + (y-k)^2 = r^2

The above equation is the standard equation for the circle

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6. The population of wolves is currently 250 in a forest. Scientists estimate that there should be a
prisoha [69]

Answer:

275

Step-by-step explanation:

250÷10=25 250+25=275

7 0
3 years ago
A large snowfall of 45 inches fell on Buffalo if one third of the snow melts each day, how much snow will remain
Crank

Answer:

Step-by-step explanation:

45/3=15

15" of snow melts each day, so after day 1 30" of snow will remain, after day 2 15" will remain and after day 3 all snow will be gone.

5 0
3 years ago
What number increased by 15% equal 161
kkurt [141]

Answer:

100%+15% = 115%

proportionally:

x - 100%

161 - 115%

x = (161 * 100%) / 115% = 140

4 0
3 years ago
Read 2 more answers
corinne is taking a train into the city. The train travels at a rate of 45 miles per hour. which quantity depends on the other?​
lana66690 [7]

<u>Complete Question:</u>

Corinne is taking a train into the city. The train travels at a rate of 45 miles per hour. Which quantity depends on the other?

A. The distance traveled depends on the number of hours traveled.

B. The number of hours traveled depends on the speed of the train.

C. The speed of the train depends on the distance traveled.

D. The speed of the train depends on the number of hours traveled.

<u>Answer:</u>

Corinne is taking a train into the city. The train travels at a rate of 45 miles per hour. The distance traveled depends on the number of hours traveled

<u>Step-by-step explanation:</u>

As we know the velocity can de defined as the rate of change of position of objects in a particular time. The formula is given by,

           \text {velocity}=\frac{\text {distance}}{\text {time}}

Here, in the question, rate of speed of train is given as 45 miles per hour. if we keep the velocity as constant one, then distance is directly proportionate to the travelled time

            \text {distance}=\text {velocity} \times \text {time}

If 'v' is constant,

           \text {distance} \propto \text {time}

By this we can conclude that, the distance travelled by the train depends on the time taken to travel to it. Hence option A would be the correct one.

3 0
3 years ago
Gavin has $50,000 with which to start a new business. He wants to maintain a cash balance of more than $26,000.
kenny6666 [7]
Is about 24,000 because if your finding the amount he's withdrawing is about 24,000
6 0
3 years ago
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