Answer:
x/6 - 1
Step-by-step explanation:
x divide 6 subtract 1
Answer:
i hope this helps :)
Step-by-step explanation:
2.1.) A = bh = 3.2 * 1.8 ≈ 5.76
2.2) Using the formula A = bh, solving for h, h = A over b = 44.4 over 7.4 ≈ 6
2.3) using the formula A = wl, solving for w, w = A over l = 38.25 over 9 = 4.25
2.4.) using the formula A = a^2, solving for a, a = = 4
2.5.) A = bh = 30 * 2 = 60
2.6.) using the formula A = bh, solving for h, h = A over b = 336 over 4 = 84
2.7.) using the formula A = bh, solving for b, b = A over h = 135 over 5 = 27
2.8.) A = wl = 18 * 30 = 540 250 * 2 = 500, 250 * 3 = 750 3
Answer:
Step-by-step explanation:
Perpendicular slopes are the opposite reciprocals of the slopes given. Our slope in 8 is -2. That means that the perpendicular slope is 1/2. If the line goes through (2, -1), then
and
and
9 is a tiny bit trickier because we don't have the slope, the x term, on the opposite side of the equals sign from the y. Let's do that and then we can determine the slope of that given line. Moving over the 3x and isolating the y:
y = -3x + 5
So the slope is -3. That means that the perpendicular slope is 1/3. If the line goes through (-9, 3), then
and
and
so
Answer:
a)x−2=10
b) 2x=24
Two equations have have the solution
x = 12
Question:
How many of these equations have the solution x=12 ?
x−2=10
2x=24
10−x=2
2x−1=25
Step-by-step explanation:
To determine which of the above equations have x= 12, we would solve for x in each of the equations.
a) x−2=10
Collecting like terms
x = 10+2
x = 12
This equation has x= 12 as a solution
b) 2x =24
Divide through by coefficient of x which is 2
2x/2 = 24/2
x = 12
This equation has x= 12 as a solution
c) 10−x=2
Collecting like terms
10-2 - x = 0
8 - x = 0
x = 8
d) 2x−1=25
Collecting like terms
2x = 25+1
2x = 26
Divide through by coefficient of x which is 2
2x/2 = 26/2
x = 13
Note: that (b) x2 = 24 from the question isn't clear enough. I used 2x = 24.
If x2 = 24 means x² = 24
Then x = √24 = √(4×6)
x = 2√6
Then the number of equations that have the solution x = 12 would be 1. That is (a) x−2=10 only