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emmasim [6.3K]
3 years ago
15

2 PUNTS

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

x^2  +  y^2  = 4

Step-by-step explanation:

The center-radius form (formally called the standard form) of a circle is

(x-h)^2+(y-k)^2=r^2 where (h,k) is the center and r is the radius.

So if we replace (h,k) with (0,0) since the center is the origin and r with 2 since the radius is 2 we get:

(x-0)^2+(y-0)^2=2^2

Let's simplify:

x^2  +  y^2   = 4

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I need the equation and steps please!
serg [7]
Let d is the number of days of rental car
At Trinity's Tire World, $50 a day plus $75 fee: 50*d + 75
At India's Auto,  $35 a day plus $105 fee: 35*d + 105

To find out after how many days, they both cost the same

50*d + 75 = 35*d + 105
50d + 35d = 105 - 75
15d = 30
d = 30/15
d = 2

Answer: after 2 days, they both cost the same amount of money

Proof:

50*d + 75 = 50*2 + 75 = 100 + 75 = 175
35*d + 105 = 35*2 + 105 = 70 + 105 = 175

Hope that helps

3 0
3 years ago
A circle has a radius of 8 ft.
Inessa05 [86]
The answer is 3.925 i believe that is the answer
8 0
3 years ago
Read 2 more answers
emily leaves her house at exactly 8:25 am to bike to her school, which is 3.42 miles away. when she passes the post office, whic
NNADVOKAT [17]
We first calculate Emily's rate by dividing the distance from her home to the post office by the time it took her to travel that distance. From 8:25 to 8:29 (and 30 seconds), there are exactly 4.5 minutes. Thus, the rate is equal to,
                                   r = (0.75 miles) / (4.5 minutes) = 1/6 miles/min
Then, we divide the given distance from her home to school by the calculate rate to determine the total number of minutes it will take her to travel to school.
                               t = (3.42 miles)/(1/6 miles/min) = 20.52 minutes
Adding this to 8:25 will give us an answer of 8:45 and 31.2 seconds. She will not be late. 
6 0
3 years ago
Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor t
lys-0071 [83]

The following statements are true:

  • <3 = m<6 = 98 degrees (alternate interior angles)
  • m<4  = m<8 = 82degrees (corresponding angles)
  • m<5 = m<8 = 82 degrees (vertical angles)

Find the diagram attached.

Given the parameter:

m<2 = 98 degrees

From the diagram, the following are true:

m<2 = m<3 = 98 degrees (vertical angles)

  • m<3 = m<6 = 98 degrees (alternate interior angles)

The sum of m<3 and m<4 is 180 degrees.

m<3 + m<4 = 180

m<4 = 180 - m<3

m<4 = 180 = 98

m<4 = 82 degrees

  • m<4  = m<8 = 82degrees (corresponding angles)
  • m<5 = m<8 = 82 degrees (vertical angles)

Learn more on angles here: brainly.com/question/24607467

5 0
2 years ago
Read 2 more answers
Let f(x)=-2x-7 and g(x)=-4+6 find (g°f)(-5)
Korolek [52]

Answer:

-59

Step-by-step explanation:

g(-5) = -4*(-5)+6 = 26

f(g(-5)) = f(26) = -2*26 - 7 = -59

8 0
3 years ago
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