739947
Descripción
Test por Brad Hegarty, actualizado hace más de 1 año
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Creado por Brad Hegarty
hace alrededor de 10 años
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Pregunta 1
Pregunta
There are 15 balls in a box: 8 balls are green, 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. What is the probability that a blue ball is selected at random from the box?
Respuesta
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3/13
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4/13
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3/15
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4/15
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2/13
Pregunta 2
Pregunta
The length of a rectangle is 3 times its width. If the width of the rectangle is 5 inches, what is the rectangle's area, in square inches?
Respuesta
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15
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75
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40
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30
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20
Pregunta 3
Pregunta
If the hypotenuse of a right triangle is 10 inches long and one of its legs is 5 inches long, how long is the other leg?
Respuesta
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5
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10 - √5
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75
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5√5
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5√3
Pregunta 4
Pregunta
A circle with center (4,-5) is tangent to the y-axis in the standard (x,y) coordinate plane. What is the radius of this circle?
Respuesta
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4
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5
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√(41)
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16
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25
Pregunta 5
Pregunta
Angle A is an acute angle and sin(A) = 11/14. What is the value of cos(A)?
Respuesta
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3/14
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√3 / 14
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5√3 / 14
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√(3/14)
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5/14
Pregunta 6
Pregunta
What are the values of a and b, if any, where - a|b + 4| > 0?
Respuesta
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a > 0 and b ≠ -4
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a > 0 and b ≠ 4
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a < 0 and b ≥ -4
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a < 0 and b ≠ -4
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a < 0 and b ≤ -4
Pregunta 7
Pregunta
In a shipment of televisions, 1/50 of the televisions are defective. What is the ratio of defective to non defective televisions?
Respuesta
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1/200
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50/1
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49/1
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1/50
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1/49
Pregunta 8
Pregunta
Which of the following is divisible (with no remainder) by 4?
Respuesta
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214133
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214395
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952217
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322569
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510056
Pregunta 9
Pregunta
If 8y = 3x - 11, then x =
Respuesta
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(88/3) y
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(8y + 11)/3
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(8y - 11)/3
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(8/3) y - 11
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(8/3) y + 11
Pregunta 10
Pregunta
Which of the statements describes the solution set for -2(x + 8) = -2x + 20?
Respuesta
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x = - 2 only
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x = 0 only
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x = 20 only
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There are no solution for this equation.
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All real numbers are solutions of this equation.
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