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Doss [256]
3 years ago
10

A circle is centered at the point (-7,-1) and passes through the point (8, 7). The radius of the circle is ___ units. The point

(-15, __ ) lies on this circle
Mathematics
1 answer:
trapecia [35]3 years ago
5 0

Answer:

(x + 7)2 + (y + 1)2 = r2.

To get we use point (8, 7): (8 + 7)2 + (7 + 1)2 = r2, r2 = 225 + 64 = 289 = 172.

So, equation of circle: (x + 7)2 + (y + 1)2 = 289

Step-by-step explanation:

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What are the explicit equation and domain for an arithmetic sequence with a first term of 8 and a second term of 5?
boyakko [2]

Answer:

Option C.

Step-by-step explanation:

It is given that the first term of the arithmetic sequence is 8 and second term is 5.

a=8

d=5-8=-3

We know that the explicit equation of an AP is

a_n=a+(n-1)d, where n is an integer greater than or equal to 1.

where, a is first term and d is common difference.

a_n=8+(n-1)(-3)

a_n=8-3(n-1)

So, domain of this explicit equation is all integers where n ≥ 1.

Therefore, the correct option is C.

4 0
4 years ago
Joe practiced his trumpet 3/4 hour on Monday and 7/12 hour on Tuesday. How long did he practice altogether
Allisa [31]
1 1/3 hours. 3/4 plus 7/12 equals 1 1/3. Hope this helps
8 0
4 years ago
What is the slope-intercept form of the following linear equation: 8x - by = 48 ?
allochka39001 [22]
Slope intercept form would be Y= 8/3x - 8
7 0
3 years ago
SOMEONE, PLEASE HELP FAST!!! FOR BRAINLIEST!!!!
Pani-rosa [81]

Answer:

Volume of rectangular prism:

V1 = base x height = 4 x 6 x 12 = 288 ft3

Volume of triangular prism:

V2 = base x height = 4 x (6/2) x 6 =  72 ft3

Volume of composite prism:

V= V1 + V2 = 288 + 72 = 360 ft3

Hope this helps!

:)

7 0
3 years ago
90x=120y What is the ratio of x : y?
finlep [7]

Answer:

3:4

Step-by-step explanation:

find the GCD of both numbers (30) and divide both sides to get 3:4

5 0
3 years ago
Read 2 more answers
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