Answer:
(x-3)^2+(y+2)^2=25
Step-by-step explanation:
c=(a,b) coordinates of center of circle
(x-a)^2+(y-b)^2=r^2 circle equation
a=3 b=-2 r=5
(x-3)+(y+2)=5^2
(x-3)^2+(y+2)^2=25
b. Every 24 minutes
Step-by-step explanation:
A neon sign blinks every 6 minutes, and another sign blinks every 8 minutes.
The first step is to:
Find and list multiples of each time each neon sign blinks.
This means, we find the Multiples of 6 and 8
Multiples of 6:
6, 12, 18, 24, 30, 36
Multiples of 8:
8, 16, 24, 32, 40
The first and common multiple of 6 and 8.
Therefore, the Least common multiple [LCM(6, 8) ] = 24
Hence, they often blink at the same time every 24 minutes.
Therefore, option b.Every 24 minutes is correct.
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Answer:
2x+10+x+5=180
3x+15=180
3x=165
x=55
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
Step-by-step explanation:
- <em>Refer to attached</em>
Let the half/side of the square be a and the difference of the point in the middle be x and y respectively
Each shape is the sum of 2 triangles, which have a base of a
The area to be found is A
<u>We will show the area of each four shapes as:</u>
- a(a-x) + a(a-y) = 16*2 ⇒ (1)
- a(a-x) + a(a+y) = 20*2 ⇒ (2)
- a(a+y) + a(a+x) = 32*2 ⇒ (3)
- a(a-y) + a(a+x) = A*2 ⇒ (4)
<u>Now comparing the expressions:</u>
- (2) – (1) = a(a + y -a + y) = 2ay = 8 ⇒ ay = 4
- (3) – (2) = a(a + x - a + x ) = 2ax = 24 ⇒ ax = 12
- (1) + (3) ⇒ 4a² = 96 ⇒ a² = 24
<u>Using the values we got, finding the area A:</u>
- (4) ⇒ 2A = 2a^2 - ay + ax = 48 - 4 + 12 = 56
- A = 56/2 = 28 cm²
Answer: $12.54
Step-by-step explanation:
7 times $4.32 = $30.24
14 times $1.23 = $17.22
add both sums which = $47.46
now subtract $60.00 by $47.46
now equals $12.54 HOPE THIS HELPED!!