Multiply.(8x - 9y2)2
A. 64x2 - 144xy2 + 81y4
B. 64x2 + 81y4
C. 64x2 - 81y4
D. 64x2 + 144xy2 + 81y4
Answer: A
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 60 m B. ? 230 m C. ? 290 m D. ? 185 m
Simplify by adding or subtracting like terms.6x + 10x
A. 16x2 B. 60x C. 32x D. 16x
Provide an appropriate response.The product of 1.6 and a number is 9.6. Use an equation to find the number.
A. 6.0 B. 0.6 C. 60 D. 7
The length of each edge of a cube is 16 cm, with a possible error in measurement of 0.01 cm. Use differentials to estimate the error that might occur when the volume of the cube is calculated. ? Round the result to the nearest hundredth, if necessary. ? An error is approximately ± __________ cm3.
Fill in the blank(s) with the appropriate word(s).