That's true! you can use the speed triangle to help you remember
Answer:
d. (1, 5, 2)
Step-by-step explanation:
A suitable calculator can find the reduced row-echelon form for you. Some scientific calculators and many graphing calculators have this capability, as do on-line calculator. The one below is supported by ads.
1. Angle A is not 105degrees. As you can see on the horizontal line that it lies on, it's under 90degrees(acute). The angle aside from it is over 90degrees(obtuse).
2.Angle B is in fact not 75degrees.. By looking at the angle it's obtuse, over 90 degrees, so it can't be 75degrees.
Answer:
5198.4 grams of sand
Step-by-step explanation:
The bottom cube:
12*12*13= 144*13= 1872
The top pyramid:
144*6= 864
1872+864= 2736 cubic cm
THEN
2736*1.9= 5198.4 g of sand!
Brainliest plsss
Answer:
-3/5
Step-by-step explanation:
The slope of a perpendicular line is always the negative reciprocal of the slope of the original line.
1/(5/3) * - 1 = -3/5
