Answer:
0
Step-by-step explanation:
-11u=55-55
-11u=0
since a number dividing zero is zero
1. Multiply each equation so they end up with the same coefficient
2. Subtract your second equation from the first
3. Solve for one of the variables (I tend to solve an equation that only contains 2 variables if possible. So it would be if you have one question with x and y, solve for the easier one)
4. Substitute the variable you found in the least step into one of the other equations and find a second variable.
5. Substitute both variables you found into the last equation and there you should be left with x, y, and z :))
I hope this helped sksjsk if it didn’t I could write it out to hopefully help more :)
Step-by-step explanation:
11/8 if I'm not wrong
...
Answer:
On day 20, they should both be on page 200
Step-by-step explanation:
I set the 2 equations up:
10d=8d+40 and then subtracted 8d from both sides
2d=40 and then divided both sides by 2
d=20
I then took 20 and multiplied it by 10 for Ashley (200) and then multiplied it by 8 for Carly (160) and added 40 (200)
Hope this helps!
Answer:
x = 12.63 or x= -0.63
Step-by-step explanation:
<em>From my understanding the question is x² - 12x = 8</em>
<em>This will be solved through a quadratic equation formula.</em>
<em>Step 1: Form a quadratic equation</em>
x² - 12x = 8
x² - 12x - 8 = 0
<em>Step 2: Apply the quadratic formula</em>
a = 1, b = -12, c = -8
x = <u>-b±√b²-4ac</u>
2a
x = <u>-(-12)±√(-12)²-4(1)(-8)</u>
2(1)
<em>Step 3: Find the value of x</em>
x = <u>12±4√(11</u>
2
x = <u>12+4√(11)</u> or x = <u>12-4√(11)</u>
2 2
x = 12.63 or x= -0.63
!!
