6(2x-11)+15=3x+12 Given
12x-66+15=3x+12 Distribution
12x-51=3x+12 Combine like terms
12x=3x+63 addition
9x=63 subtraction
x=7 division
the value of x that makes the equation true is 7.
The answer is 532 full your welcome yay fun
Answer:
Mikayla moved the decimal incorrectly.
Step-by-step explanation:
mikayla evaluated the expression 0.86 × 23.4 using the steps shown below.
0.86
× 23.4
344
2580
+ 17200
= 201.24
LEts do the multiplication without decimals
8 6
x 2 3 4
--------------------
3 4 4
2 5 8 0
1 7 2 0 0
------------------------------
2 0 1 2 4
0.86 has two numbers after the decimal point and 23.4 has one number after the decimal point
So we move 3 places to the left ( 20.124)
Mikayla moved the decimal incorrectly.
I think it’s 6/8. Really sorry if I’m wrong.
Answer: 15 cm
Step-by-step explanation:
The formula for calculate the area of a rectangle is:
Where "l" is the lenght and "w" is the width.
You know that the area of this rectangle is 75 square centimeters and the width is 5 centimeters. Then, you can substitute these values into the formula and solve for the lenght. Then you get:
Therefore, the lenght of the rectangle is 15 centimeters.
