The center of the circle is at (-2,-7) and its radius is 36. What is the equation of the circle in graphing form?
1.) (x+2)^2+(y+7)^2=1296
2.) (x-2)^2+(y-7)^2=6
3.)(x+2)^2+(y+7)^2=6
4.) (x-2)^2+(y-7)^2=1296
Answers
(x-h)^2+(y-k)^2=r^2
r=36
center at -2,-7
(x-(-2))^2+(y-(-7))^2=36^2
(x+2)^2+(y+7)^2=1296
firts option
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Answers
3. Answer: complementary
That's the word for angles which add to ninety degrees.
4. Who's Christy? We missed part of the story here.
If the idea is that Christy noticed that the acute angles in a right triangle are complementary from some examples, that would indeed be an example of inductive reasoning.
Answers
Answer:
x = 57
Step-by-step explanation:
Median is the number that is halfway mark. If we are given a data, first we need to arrange them in ascending order and take the middle value. That is called median.
If we have odd number of data, we can easily find the middle value.
For instance, 1, 2, 3, 4, 5 here the number of data = 5 which is odd number.
The middle number is 3.
Therefore, median is 3.
If we have even number of data, we have to take middle two values, add them then divide by 2.
In this case, we are given even number of data
30, 45, x, 100
4 data which is even number of data.
Median is given as 51, we need to find the value of x.
The middle two numbers are 45 and x, we have to add them and divide by 2
Median = [Given: median = 51]
51 =
Multiplying both sides by 2, we get
51*2 = 45 + x
102 = 45 + x
Subtract 45 in both sides, we get
102 - 45 = 45 -45 + x
x = 102 -45
x = 57
In this case, the values are "45" and "x". If we pretend that we know the value of the variable "x" (for example we will pretend that x is 55), then we should have an equation that looks like this: (45+55) ÷ 2 = [median]. What this equation is doing is adding the two closest values to the median (45 and 55) and dividing it by 2, the number of values we are averaging. Now we can solve this equation and simplify it to 100 ÷ 2 which is 50, our median.
So if they give us the median instead of the x value, then we can rewrite the equation to fit your request: (45+x) ÷ 2 = 51. Now we can solve for x:
1. Multiply by 2
(45+x) = 102
2. Subtract 45
x = 57
The x value for your question is 57.
Answers
P(A) = 2/(2+9) = 2/11
B - drawing a boys name in second drawing if first drawing was a girls name
P(B) = 9/10
C - drawing a girls name firstly and a boys name secondly
P(C) = P(A) * P(B) = 2/11 * 9/10 = 9/55
ans: 9/55
b. 1
c. √2
d. √-1
Answers
f(x) = 1 - x
|f(i)| = |1 - i| = sqrt((1-i) * (1-i)^conjugate) = sqrt(2) = √2
The correct result would be c. √2.
Answer:
The answer is c
Step-by-step explanation:
Answers
Answer:
The temperature at the base camp Friday evening is - 6 degrees Celsius.
Step-by-step explanation:
To get the temperature at a mountain base camp on Friday evening, we must translate statement into a mathematical form:
(i)The temperature at a moutain base camp was - 2 degress Celsius on Thursday:
(ii)Friday morning, the temperature was 1 degree Celsius lower than it was on Thursday:
(iii)Friday evening, the temperature was 3 degrees Celsius lower that it was that morning:
The temperature at the base camp Friday evening is:
The temperature at the base camp Friday evening is - 6 degrees Celsius.
Answer:
D) -6 degrees Celsius
Answers
170
then we add 30 to reach the number 200
170+30=200
then we add 200 to reach the number 400
200+200=400
then we add 10 to reach 410
400+10=410
The benchmark numbers are bolded...