Answer:
Step-by-step explanation:
<h3>Given </h3>
- Points A(-1,7) and B (11,-1)
<h3>To find</h3>
<h3>Solution</h3>
<u>Using midpoint formula</u>
- x = (-1 + 11)/2 = 10/2 = 5
- y = (7 -1)/2 = 6/2 = 3
Midpoint is (5, 3)
Answer:
Step-by-step explanation:
Simplifying
9 + 7x = 7x2
Solving
9 + 7x = 7x2
Solving for variable 'x'.
Combine like terms: 7x2 + -7x2 = 0
9 + 7x + -7x2 = 0
Begin completing the square. Divide all terms by
-7 the coefficient of the squared term:
Divide each side by '-7'.
-1.285714286 + -1x + x2 = 0
Move the constant term to the right:
Add '1.285714286' to each side of the equation.
-1.285714286 + -1x + 1.285714286 + x2 = 0 + 1.285714286
Reorder the terms:
-1.285714286 + 1.285714286 + -1x + x2 = 0 + 1.285714286
Combine like terms: -1.285714286 + 1.285714286 = 0.000000000
0.000000000 + -1x + x2 = 0 + 1.285714286
-1x + x2 = 0 + 1.285714286
Combine like terms: 0 + 1.285714286 = 1.285714286
-1x + x2 = 1.285714286
The x term is -1x. Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.
Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 1.
Answer: 11.4
Simply multiply 38 by .30 to find the percentage of the number.
Answer:
.3,2/5,3/4,.85
Step-by-step explanation:
Divide the fractions to get decimals and then put them in from least to greatest.
