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myrzilka [38]
3 years ago
7

I NEED HELP PLEASE! :)

Mathematics
2 answers:
labwork [276]3 years ago
5 0

Answer:

<em>Hello There If you want to learn of the equation of the circle. Look at the circle first then.. The center-radius form of the circle equation is in the format  will help you from that point. with the center being at the point (h, k) and the radius being "r". This form of the equation is really helpful, since you can easily find the of center and the radius.</em>

Hope it helps!

From <em>ItsNobody</em>

nevsk [136]3 years ago
5 0

Circle Equation: (x - h)² + (y - k)² = r²

(h, k) = center

r = radius

The center can be found at the point (2, -3)

The radius is 2 units.

Substitute these values into the equation:

(x - 2)² + (y + 3)² = 2²

(x - 2)² + (y + 3)² = 4

Therefore, the answer is [ (x - 2)² + (y + 3)² = 4 ]

Best of Luck!

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Kyle pours 3/4 liter of a liquid from a beaker. Then he puts another 1/2 liter of liquid. What is the overall change in the amou
Nadusha1986 [10]

Answer:

1 and 1/4

Step-by-step explanation:

add 3/4 and 1/2, divide 1/2 into 2/4 and when you add 2/4 to 3/4 you have an extra quarter. therefor you have 4/4 and 1/4 which is 1 and 1/4.

hope this helps <3

5 0
3 years ago
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Given the sequence, 26, 13, 6.5, ..... find a) the 10th term and b) the sum of the first 18 terms
Hunter-Best [27]

Answer:

a) 10th term is 0.051

b) The sum of first 18 terms of given sequence is 51.48

Step-by-step explanation:

We are given the sequence 26, 13, 6.5, ..... we need to find

a) 10th term

b) Sum of first 18 terms

Before solving we need to determine if the sequence is arithmetic or geometric

The sequence is arithmetic if common difference d is same.

The sequence is geometric if common ratio r is same.

Finding common difference d: 13-26 = -13, 6.5-13= -6.5

As common difference is not same so, the sequence is not arithmetic.

Finding common ratio r : 13/26 =0.5, 6.5/13= 0.5

As common ratio is same so, the sequence is geometric.

a) Finding common difference: 13-26 = -13, 6.5-13= -6.5

As common difference is not same so, the sequence is not arithmetic.

a) 10th term

The formula to find 10th term is: a_n=a_1r^{n-1}

We have a₁=26 and r = 0.5 n=10

a_n=a_1r^{n-1}\\a_{10}=26(0.5)^{10-1}\\a_{10}=26(0.5)^{9}\\a_{10}=0.051

So, 10th term is 0.051

b) Sum of first 18 terms

The formula to find sum of geometric series is: S_n=\frac{a(1-r^n)}{1-r}

where a= 1st term, r = common ratio and n= number of terms

In the given sequence we have

a=26, r=0.5 and n=18

Finding sum of first 18 terms

S_n=\frac{a(1-r^n)}{1-r}\\S_{18}=\frac{26(1-(0.5)^{18}}{1-0.5}\\S_{18}=\frac{26(0.99)}{0.5}\\S_{18}=\frac{25.74}{0.5}\\S_{18}=51.48

So, sum of first 18 terms of given sequence is 51.48

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What's 63,889 rounded to the nearest hundred
levacccp [35]
63,889 rounded to the nearest hundred is 63,900
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Your Answer 17766

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