The most effective strategies to subtract 563 from 192 are by rounding the number (Choice B) or by step-by-step addition and subtraction (Choice A), with rounding being the preferred method for ease of calculation.
To subtract 563 from 192, two effective strategies can be used. The first strategy (Choice B) simplifies the problem by rounding 192 to 200, subtracting to get 563 - 200 = 363, and then adding back the difference of 8 (since 200 - 192 = 8), resulting in the final answer of 363 + 8 = 371.
The second strategy (Choice A) is to add the constituent parts of 192, which are 100, 90, and 2, to perform step-by-step addition and subtraction. This method, however, is less efficient than the rounding technique and is prone to errors in a manual calculation process.
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Answer:
The lengths are 6, 8, and 10
Step-by-step explanation:
6²+8²=10²
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The middle is a square with side length of 12cm
Area of the square = 12 x 12 = 144 cm^2
There are 4 triangles with base of 13cm and height of 8 cm
Area of triangle = 1/2 x base x height
Area = 1/2 x 12 x 8 = 48cm^2 each
48 x 4 = 192 cm^2
Total area = 144 + 192 = 336 cm^2
47, 45, 40, 32, 21, , , , ,
Answer:
7 -10 -30 -53
Step-by-step explanation:
47-2 = 45
45-5 = 40 (2+3=5)
40-8 = 32 (5+3=8)
32-11 = 21(8+3=11).........
21-14 = 7
7-17 = -10
-10 -20 = -30
-30-23 = -53
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
(−7/5,13/4)
Equation Form:
x=−75,y=134x=-75,y=134
Answer:
-7399
Step-by-step explanation:
5*5+100-99*76
25 + 100 - 7524
= -7399
Answer:
-7399
Step-by-step explanation:
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