70 Answered Questions for the topic #math3#help#please

#math3#help#please

07/22/17

Find cos theta if sin theta=5/7 and falls in Quadrant 2
1.-2squareroot6/7 2.-2squareroot6/5 3.7squareroot6/12 4.-7/5
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07/22/17

Find cos theta if sin theta =-7/15 and falls in Quadrant 4
1.-7squareroot11/44 2.4squareroot11/15 3.4squareroot11 4.15/7
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07/22/17

Find sin theta if cos theta=squareroot15/8 and falls in Quadrant 4
1.-7/8 2.-7squareroot15/15 3.squareroot15/7 4.7/8
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07/21/17

A cube is packed with decorative pebbles. If the cube has a side length of 6 inches and each pebble weighs on average 0.5 lb per cubic inch, what is the total
weight of the pebbles in the cube? A.2  B.10 C.18 D.36
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07/21/17

Which of the following equations would be set up to solve in the graphing calculator as described below? y1=7^-3x;y2=6 Find where the graph of y1 is above the
graph of y2   1. 7^-3x>6 2. 7^-3x<6 3. 7^-3x>=6 4. 7^-3x<=6
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07/21/17

Find m<WXZ given a right angle with a bisector splitting wxz 2x+1 and zxy 6x+1
1. 11degrees 2. 23 degrees 3. 67 degrees 4. 70 degrees 
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07/21/17

FInd AB in triangle ABC with legs AB=6x-4 and BC=2x+12
1.8 2.16 3.20 4.4
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07/20/17

The discriminant of a quadratic formula gives you which type of information? Choose all correct answers.
1.whether the quadratic equat has 0 roots 2. The number of imaginary roots for the quadratic equation 3. The number of real roots for the quadratic equation 4. Whether the roots of a quadratic... more
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07/20/17

A box with an open top will be constructed from a rectangular piece of cardboard. The piece of cardboard is 10 inches wide and 14 inches long. The box will be
constructed by cutting out equal square of side x at each corner and then folding up the sides. What is the appropriate domain for the function V(x) that gives the volume of the box as a function... more
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07/19/17

The distribution of heights of young women aged 18 to 24 is approximately normal with a mean of 64.5 inches and a standard deviation of 2.5 inches. Between what
two heights do the middle 95% of women fall
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07/19/17

The average length of a certain species of a grasshopper is normally distributed with a mean of 2.6 inches and a standard deviation of .15 inch. What is the
probability that a randomly chosen grasshopper will have a length of at least 2.9 inches.
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07/17/17

Find cos theta if tan theta= -square root 3/3 and falls in quadrant 2
A. cos theta=-1/2 B. cos theta=1/2 C. cos theta=square root3/2 D. cos theta=-squareroot 3/2 E. none of these 
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07/17/17

Find sin theta if tan theta=-squareroot3/3 and falls in Quadrant 4
A. sin theta=-1/2 B. sin theta=1//2 C. sin theta= squareroot3/2 D. sin theta=-squareroot3/2 E. None of these
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07/17/17

At midnight the water at a particular beach is at high tide. At the same time a gauge at the end of a pier reads 10 feet. Low tide is reached at 6AM when the
gauge reads 4ft. Determine the midline and write the answer as an equation.    A.7 B.14 C.5 D.2
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07/15/17

a.) Find sin (0) b) Find sin pi/2 c) Find sin pi d) Find sin 3pi/2 e) Find sin 2pi f) Find cos (0) g) Find cos pi/2 h)Find cos pi iFind cos 3pi/2 JFind cos 2 pi
k.Look carefully at the values found in a-j. Describe any patterns or relationships in the above values in relationship to the angles
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07/13/17

What is the locus of all points in a plane equidistant from two given lines in the plane?
1. A line parallel to both lines and halfway between the lines 2. A line segment connecting the two lines 3. A curved shape thats passed between two lines 4. A circle with one point on each line
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07/13/17

Describe the locus of all points in a plane that are equidistant from the sides of a triangle.
1. A single point that is the center of the inscribed circle of the triangle  2. A triangle similar to but smaller than the original triangle  3. A triangle similar to but larger than the... more
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07/13/17

What is the locus of all points in the plane that are 5 inches from point Q?
Please help me with this math 3 problem
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07/13/17

What is the locus of all points in the plane that are no more than 8 inches from point Q?
1. A circle with radius 8 inches and all points outside the circle  2. A circle with radius 8 inches and all points inside the circle 3. A circle with radius 16 inches and all points outside the... more
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07/13/17

Susie chained her dog to a pole in the middle of the soccer field.The dogs chain was 24 feet long. What is the locus of the points in the yard where the dog can
reach?               1. 24 feet 2. 12 feet 3. 144 feet 4. 10 feet
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