Because a rectangular pyramid's base is square, the cross section would be as well
A trolley travels in one direction at an average of 20 miles per hour, then turns around and travels on the same track in the op
1 answer:
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Answer: hypotenuse =
Step-by-step explanation: Pythagorean theorem states that square of hypotenuse (h) equals the sum of squares of each side () of the right triangle, .i.e.:
In this question:
=
2bc
Substituing and taking square root to find hypotenuse:
Calculating:
=
, then:
Hypotenuse for the right-angled triangle is units
Answer:
1) A
2) A
3) B
4) D
5)A
6) D
7) A
8) C
9) D
Step-by-step explanation:
1) -5 (-2) -6= 4
2) 3 coins plus c coins = 3 + c
3) x-2 =16, x = 18
4) =-5. Clearing, z = 60
5) x =13,4
6) 14=t-4. Clearing t = 58
7) -30=j+50, clearing j=80
8) 2.8x=-9.24, clearing x=-3-3
9) 5.8= . Clearing z=12.76