Answer:
C.<
Step-by-step explanation:
got it wrong on the exam review and it told me the right answer after.
Solve for k:
X^2 + (y - k)^2 = 21
Subtract X^2 from both sides:
(y - k)^2 = 21 - X^2
Take the square root of both sides:
y - k = sqrt(21 - X^2) or y - k = -sqrt(21 - X^2)
Subtract y from both sides:
-k = sqrt(21 - X^2) - y or y - k = -sqrt(21 - X^2)
Multiply both sides by -1:
k = y - sqrt(21 - X^2) or y - k = -sqrt(21 - X^2)
Subtract y from both sides:
k = y - sqrt(21 - X^2) or -k = -sqrt(21 - X^2) - y
Multiply both sides by -1:
Answer: k = y - sqrt(21 - X^2) or k = sqrt(21 - X^2) + y
Answer:
Many solutions
Step-by-step explanation:
Answer:
4.76cm
Step-by-step explanation:
Given data
circumference= 15cm
The expression for circumference is
C= 2πr
substitute and solve for r
15= 2*3.14*r
r= 15/ 2*3.14
r=15/ 6.28
r= 2.38 cm
Hence the diameter is
D= 2r
D= 2*2.38
D=4.76cm
You are to invent x^2, x and constant terms that sum up to specified figures.
You could begin with 6x^2-8x^2, which sums up to -2x^2.
Next, try 7x-4x, which subtract to 3x.
Last, choose two constants that sum up to 3.
Your poly? 6x^2 - *x^2 + 7x - 4x + ? + ?