When you multipy 1.229 x 15 your answer is 18.435. Rounding to the nearest cent will only include 2 numbers after the decimal. Looking at 18.435, the last number, 5 will round your answer to 18.44
2x+3=3x-4
try to isolate the x term
you must do the same thing to both sides or else it won't be equal anymore
2x+3=3x-4
add 4 to both sides
2x+3+4=3x+4-4
2x+7=3x+0
subtract 2x from both sides
2x-2x+7=3x-2x
0+7=x
7=x
the answer is x=7
Whalers is the picture to the supplementary angle 100°
-18- -27 = -45 -45- -15 = -30
Answer:
All rhombuses are rectangles. False
All parallelograms are quadrilaterals. True
All squares are rhombuses. True
All rectangles are squares. False