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Fireburntbudder
03.07.2019 •
Mathematics
Refer to expression 1 and expression 2. expression 1: 6 * 7 - 3^2 * 9 + 4^3 expression 2: 5 + 4 * 2 + 6 - 2 * 2 -1 (a) what is the value of expression 1? (b) insert parentheses in expression 2 so that it has a value of 19. then show why your expression has a value of 19.
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Ответ:
Expression 1: 6 * 7 - 3^2 * 9 + 4^3
6 * 7 - 3^2 * 9 + 4^3
= 42 - 81 + 64
= 25
(b)Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.
Expression 2: 5 + 4 * 2 + 6 - 2 * 2 -1
(5 + 4) * 2 + 6 - (2 * 2) -1
= 9*2 + 6 - 4 - 1
= 18 + 6 - 5
= 24 -5
= 19
Ответ:
Given that triangle A (-1,3), B(-1,1), C(3,1) has been translated to A'(2,-1), B'(2,-4), C(6,-4)
the from the diagram we see that the coordinates of the triangle ABC have been moved by 3 units to the right while the y coordinates have been moved by 5 units down to form A',B',C'.
We therefore conclude that the correct statement is:
Triangle ABC has been translated 3 units to the right and 5 units down.