Soil-mixed cement has strength, durability, and cheap. Highway and city engineers praise soil-cement’s performance, its low first cost, long life, and high strength.
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Answer:
The answer is A. 1 - 15
Step-by-step explanation:
An expression is a mathematical phrase that contains terms and operations but no equal sign.
First, set the second equation with y as the isolated variable. To do this, subtract 4 from both sides to get

Now that you know the value of y, put that expression in for y in the first equation to get

Then, simplify by adding the x terms together to get

add 4 on both sides to isolate the x terms to get

then divide 6 from both sides to get

Using that x value, plug it into one of the equations as x to find y ( I will use y=3x-4)

x=1 and y=-1 is the answer
Answer:
273,050
Step-by-step explanation:
(27000+300+5)×10
=27305×10
=273050
Answer:
2x + 3y = 20
Step-by-step explanation:
Slope of the line is -2/3 . We can use any of the given points to find the equation of the line. Lets use (1, 6)
The general point-slope form of a line is:

Here m is the slope which is -2/3
x1 and y1 are the coordinates of the point. So x1 = 1 and y1 = 6
Using these values, we get:
