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rosijanka [135]
3 years ago
10

Which of the following is the equation of a circle with center (6,−7) and diameter 22?

Mathematics
1 answer:
barxatty [35]3 years ago
8 0
(X-6)²+(y+7)²=121 , flip the signs of the coordinates and the last number is the radius squared
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Help if you understand please and thanks
wlad13 [49]

Answer:

y = 4

Step-by-step explanation:

because 5 x 4 = 20 and 20 × 4 = 80 and so on y is equal to four

6 0
2 years ago
A machine covers 5/8 square foot in 1/4 hour
VLD [36.1K]

The question is incomplete. Here is the complete question:

A machine covers 5/8 square foot in 1/4 hour. what is the unit rate?

Answer:

2.5 square feet per hour

Step-by-step explanation:

Given:

Area covered by a machine = frac{5}{8}\ ft^2

Time taken to cover the given area = \frac{1}{4}\ h

Now, unit rate of the first quantity with respect to second quantity is the magnitude of the first quantity being when the second quantity is one unit.

Here, the first quantity is the area covered and the second quantity is the time taken.

So, unit rate is the area covered by the machine in 1 hour.

In order to find that, we use the unitary method and divide the area by the total time taken. Therefore,

Unit\ rate=\frac{Total\ area\ covered}{Total\ time\ taken}\\\\Unit\ rate=(\frac{5}{8}\ ft^2)\div (\frac{1}{4}\ h)\\\\Unit\ rate=\frac{5}{8}\times \frac{4}{1}\ ft^2/h\\\\Unit\ rate=\frac{20}{8}=2.5\ ft^2/h

Thus, the unit rate is 2.5 square feet per hour.

5 0
3 years ago
Use the table to write a linear function that relates y to x.
PSYCHO15rus [73]

Answer:

linear function is a function whose graph is a line. Use the graph to write a linear function that relates y to x. The points lie on a line. Find the slope and y-intercept of the line.

Step-by-step explanation:

8 0
3 years ago
The daytime high temperature on the moon can reach 130°C. The nighttime low temperature can get as low as −110°C. What is the di
maks197457 [2]

Answer:

240

Step-by-step explanation:

remember that to get from positive to negative you have to go from positive to 0 then to negative .

however the easiest way of solving this is

add both the values , ignore the sign

130 + 110

the difference in the temperature is :

= 240 degrees

7 0
3 years ago
Adam went to McDonald's and bought a Big Mac and 2 small fries. Adam spent
Rudiy27

Answer:

the answer is 4.94 because you subtract 10.93-5.99

3 0
3 years ago
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