Water-cement ratio is the ration of mass of water to the mass of cement.
Numerically it is around 0.5, depending on the desired strength and workability.
A low ratio results in a dry mix which is difficult to compact, with a risk of developing voids in the final concrete.
A high ratio weakens the concrete, and is highly undesirable if strength is important.
To improve both the strength and workability of the concrete, sometime plasticizers are added.
It would have been appropriate to post this question in the Engineering section (if one is available).
Answer:
Step-by-step explanation:
3X + 6 + 4X + 20
7X + 26
Answer:
x=13
Step-by-step explanation:
one angle of triangle=85
parallel lines and vertical angles
the second angle is 82:
sum of angles of the triangle=180
x+85+82=180
x+167=180
x=180-167
x=13
Answer:
B. You have to pay interest on credit cards but not on charge cards.
Step-by-step explanation:
Credit cards and charge cards differ on the method of payment and on the interest credit cards charge you when you don't pay your full balance.
A credit card allows you to get credit and carry-over a balance at the end of the month, that's why you are charged an interest.
Charge cards don't extend you credit and are expected to be paid in full each month.
ANSWER
EXPLANATION
The point-slope form of a line is given by;
where
is the slope of the line and (6,-1) is point.
We substitute the point and the slope into the formula to obtain:
Hence the b point slope form of the line with the given properties is
