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Nostrana [21]
3 years ago
13

Someone please help me

Mathematics
2 answers:
liq [111]3 years ago
7 0

Answer: the general equation for a circle is ( x - h )^2 + ( y - k )^2 = r^2, where ( h, k ) is the center and r is the radius

Zinaida [17]3 years ago
6 0

Answer:

its false

Step-by-step explanation: i am 100% sure

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Find the general term of the sequence<br>c.1 { 10, 5, 0, -5, -10 }<br>c.2 { 1, 4, 9, 16, 25 }​
Ivan

Answer:

1. 15 - 5n where n>=1

2. n² where n>=1

Step-by-step explanation:

1. {10, 5, 0, -5, -10} is an Arithmetic Progression

nth term is a + (n - 1)d

where a = first term, n= nth term, d= common difference.

a = 10, d = -5 (5-10, 0-5, -5-0, -10-(-5))

Therefore, nth(General) term of the sequence:

= 10 + (n - 1)-5

= 10 + (-5n) + 5

= 10 + 5 - 5n

= 15 - 5n

Test:

if n = 1; 15 - 5(1) = 10

if n = 2; 15 - 5(2) = 5

if n = 3; 15 - 5(3) = 0 and so on.

2. {1, 4, 9, 16, 25}

The general term of the sequence is n²

Test:

if n = 1; 1² = 1

if n = 2; 2² = 4

if n = 3; 3² = 9 and so on.

5 0
2 years ago
What is the median of the data values less than the median called?
ivann1987 [24]
A quartile is a type of quantile. The first quartile (Q1) is defined as the middle number between the smallest number and themedian of the data set. The second quartile (Q2) is themedian of the data. The third quartile (Q3) is the middle valuebetween the median and the highest value of the data set.
3 0
3 years ago
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Write and solve the following expression:<br><br>The sum of 7 and twice a number is 15
Nastasia [14]

Answer:

It would be 7 + 2x = 15

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A gift shop had 500 coloring pencils. The shop sold 3 sets of 20 coloring pencils, 6 sets of 12 coloring pencils, and 10 sets of
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500-(3*20)-(6*12)-(10*18)=188 pencils left
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Huilan is 6 years older than Thomas. The sum of their ages is 80 . What is Thomas's age?
Yuki888 [10]
80-6= 74. 74/2=37 thomas age is 37
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3 years ago
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