376,377,378,379,380,381,382,383,384,385,386,387,388,389,390,391,392,393,394,395,396,397,398,399,400
just kidding its 396.5
hope this helped
Speed: 357 miles : 6.3 hours = 357 : 63/10 = 357 * 10/63 = 3570/63 = 56 42/63 mph
4- 7x = 23- 5
4 - 7x = 18
-4 = -4
-7x = 14
/-7 = /-7
X = -2
3x = -6
H = number of hamburgers sold.
c = number of cheeseburgers sold.
we know that "c" is three times the number of "h", thus c = 3h
we also know, the total amount sold for both is 556, h + c = 556
h + c = 556
c = 3h
thus
h + (3h) = 556 <---- solve for "h" to see how many hamburgers were sold.
what about "c"? well, c = 3h
Answer:
1. False, it has 2 pairs of 2 congruent sides
2. True, a rhombus has 2 pairs of 2 congruent sides
3. False, a square has 4 same-size sides, a rectangle has 2 pairs of them
4. True, a rhombus has 4 sides
5. True, a rectangle has 2 pairs of parallel sides
6. Rhombus, square, rectangle, and parallelogram , NOT trapezoid
7. Square, they have 4 equal sides and 4 right angles
8. Rectangle, square.
9. Rectangle, rhombus, square
10. Trapezoid
