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Zanzabum
3 years ago
15

QM Q9.) Write the standard form of the equation of the circle with the given center and radius.

Mathematics
1 answer:
strojnjashka [21]3 years ago
5 0
R = √5 ≈ 2.236 ≈ 2.24

2.24 x 2.24 x 3.14 = 15.755264 ≈ 15.8
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Light travels at 3.0 x 108 km/s. How far does light travel in 5 minutes?
Sergio039 [100]
It’s distance times speed over time. So 108km/s x 3.0 = 324 divided by 5 which equals 64.8 km/s
4 0
3 years ago
In the ellipse, if c=6cm, and b=8cm, what is the length of the major axis?
kondor19780726 [428]

Answer:

Option B). 10 cm

Step-by-step explanation:

Distance between center and the focus of an ellipse is given by the formula,

c² = a² - b²

where, a = length of the major axis

b = length of the minor axis

and c = distance between focus and center

If c = 6 cm, b = 8 cm,

6² = a² - 8²

a² = 6² + 8²

a² = 36 + 64

a² = 100

a = 10 cm

Therefore, length of the major axis is 10 cm.

Option (B) is the answer.

4 0
2 years ago
Explain how rays AB and AC form both a line and an angle.
GuDViN [60]

A straight line (180o) is still an angle. Would you be wondering if the question said "Can 179o be a real angle?" No you would simply draw it. 1 degree more and you have 180o and it is an angle as well.

So you have a line that is both a line and an angle with A in the middle.

4 0
3 years ago
Read 2 more answers
20. A frock is marked Rs. 228 at a discount of 20% is given on it. What is the discount and
Darina [25.2K]

Answer and step-by-step explanation:

20. Because the discount is 20% of the given price so the discount would be"

228/100*20

= 45.6 Rs

Its selling price would be:

228 + 45.6 = 273.6 Rs

21. Sales tax would be:

450/100*5

= 22.5 Rs

Total price in bill = 22.5 + 450 = 472.5 Rs

22. 10% tax of 3300 would be:

3300/100*10 = 330 Rs

Price before tax = 3300 - 330 = 2970 Rs

23. He spent in total of:

2500 + 500 = 3000Rs

He sold for 3300 Rs

He gain 3300 - 3000 = 300 Rs profit

His loss gain percent = 3300/3000 * 100 = 110%

24. On the first bike, he earn:

2500/100*20 = 500 Rs

On the second bike, he lose:

2500/100*25 = 625 Rs

He lose in total of 625 -500 = 125 Rs

his loss percentage = (2500+500) + (2500 - 625) / 5000* 100

= 100% - (2500+500) + (2500 - 625) / 5000* 100

= 100% - 97.5%

He lose 2.5% money

Hope this helped :3

5 0
2 years ago
A car rental agency has 9 midsized and 16 compact cars on its​ lot, from which 6 will be selected. Assuming that each car is equ
PilotLPTM [1.2K]

Answer:

9C6 / 25C6 = 84/177100

Step-by-step explanation:

Here 9 mid sized

16 compact cars

selected = 6

9C6 / 25C6 = 84/177100

for  3 mid sized

3 compact cars

then

3Cx/9Cx

divide by 3 we get

Cx/3Cxtaking Cx coomon

it become Cx =1/3 hence the probability is 1/3

7 0
3 years ago
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