59,249 Answered Questions for the topic Math

Math

11/30/23

(4) Addition and Difference: Trigonometric
Given: sin a = -3/5, a is a third quadrant angle, and tan b = -7/24, b is a second-quadrant angle; find sun(a + b)
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Math

11/30/23

(3) Addition and Difference: Trigonometric
Given: sin a = -3/5, a is a third quadrant angle, and tan b = -7/24, b is a second-quadrant angle; find cos(a + b)
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Math

11/30/23

(2) Addition and Difference: Trigonometric

Given: sin a = -3/5, a is a third quadrant angle, and tan b = -7/24, b is a second-quadrant angle; find tan(a + b)
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Math

11/30/23

Addition and Difference (trigonometric)
Given: cos a = -24/25, sin b = 3/5, a and b are second-quadrant angles: find cos(a - B)
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11/30/23

Find the measure of angle x in the figure below:
Find the measure of angle x in the figure below:  35°  47°  51°  62°
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11/30/23

Find the measure of angle x in the figure below:
Find the measure of angle x in the figure below:  65°  70°  110°  125°
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Math Calculus

11/30/23

No calculator implicit differentiation: trigonometry
Could you explain how to solve this to someone who has never learned this before? I'm having trouble explaining this to my younger sister.Find dy/dx at the point (pi, pi/4) when sin x + sin y = tan... more
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Math Calculus

11/30/23

Vertical tangent lines
No calculator is allowed for this question.Find all points where vertical tangent lines exist for the graph of x2+3y2+6y = 6.A. (-1,3)B. (-1,3) and (-1,-3)C. (3,-1)D. (-3,-1) and (3,-1)
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Math Calculus

11/30/23

Implicit derivative at a point (no calculator)
Given the equation of the curve 2x2-3xy+y = 10, find dy/dx at the point (0, 10).A. -30B. 0C. 30D. 40
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Math Calculus

11/30/23

Find the slope, implicit differentiation (no calculator)
The slope of the tangent line to the graph of ln(x2y) = 2-x2 at the point where x = 1 is:A. -4eB. -3eC. 0D. 2e
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Math Statistics

11/30/23

A well-known brokerage firm executive claimed that at least 49 % of investors are currently confident of meeting their investment goals.

An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 84 randomly selected people, 43 of them said they are confident of meeting their goals. Suppose you are have... more
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Math

11/30/23

2(x+6)=mx+12 Which value of m results in the equation having infinitely many solutions
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Math

11/30/23

Mrs. Kurtz is baking pies. For every 2 cups of flour, she uses 3 cups of sugar. How many cups of sugar will she need if she uses 28 cups of flour?
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Math Algebra 1

11/29/23

Two trains leave stations, 308 miles apart at the same time and travel towards each other. One train travels at 60 mph while the other travels at 80 mph how long will it take for two trains to meet
two trains leave station 308 miles apart at the same time and travel towards each other. One train travels at 60 mph while the other travels at 80 mph how long will it take for the two trains to... more
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Math

11/29/23

solve the nonlinear system y^2=x+1 and x+y=0
solve the nonlinear equation with substitution or by elimination to find the solution set as an order pairs if any.
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Math

11/29/23

What is the number?
12 21 23 32 34 43
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Math Algebra 1

11/29/23

Describing Data
Find the range for this list of numbers 28 100 81 29 55 8 18 9 13 72 69 75 50 94 24 Range =
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Math Algebra 1

11/29/23

Describing Data
Jorge created a computer program that tracks how many minutes a day his friends spend online. The data below displays the data he... more
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Math Algebra 1

11/29/23

Describing Data
Maria ran an experiment to determine the optimal conditions for growing artichokes. The data below displays the weights of the artichokes she grew (measured in... more
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Math

11/29/23

what is y-2=¼(x+5) in slope intercept form?
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11/29/23

A student states that a triangle can be formed with side lengths 4 in, 5 in, and 8 in. Is the student correct? Why, or why not?
A student states that a triangle can be formed with side lengths 4 in, 5 in, and 8 in. Is the student correct? Why, or why not?  Yes, because 4 + 5 > 8  Yes, because 5 + 8 < 4  No, because 4... more
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11/29/23

Triangle ABC is shown below: Which reason can be used to fill in the numbered blank space?
Triangle ABC is shown below:Given: ΔABCProve: All three angles of ΔABC add up to 180°.The flowchart with missing reason proves the measures of the interior angles of ΔABC total 180°:Which reason... more
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11/29/23

Find the measure of angle x in the figure below:
Find the measure of angle x in the figure below:  60°  50°  110°  70°
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Math Calculus

11/29/23

Find the derivative, implicit differentiation (no calculator)
Find dy/dx at the point (4,1) when 3xy2+4lny = x2-4y2.Answer choices:A. 11/36B. 5/36C. 11/20D. 5/20
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Math Calculus

11/29/23

Derivative, quotient, and exponential rules (no calculator)
Find dy/dx when ey=x2/y.Answer choices:A. dy/dx = 2y/(xy-x)B. dy/dx = (2y-xy)/xC. dy/dx = 2y/(xy+x)D. dy/dx = (2y+xy)/x
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