6,964 Answered Questions for the topic mathematics
07/16/21
Please help me on this Trigonometry Right Triangle question.
Question:Two walls of a canyon form the walls of a steady flowing river. From a point on the shorter wall, the angle of elevation to the top of the opposing wall is 20° and the angle of depression...
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Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )
Let E be a non-empty set. Let's consider the inclusion relation over P(E): (∀x, y ∈ P(E))(X ≤ Y ⇔ X ⊂ Y )(a) Show that it is an order relation. (b) Show that it is total if, and only if, E = {a}I...
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Mathematics Math
07/16/21
Finding the total amount given the percentage of a partial amount
In a recent year, 29.7% of all registered doctors were female. If there were 45,300 female registered doctors that year, what was the total number of registered doctors?Round your answer to the...
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Mathematics Math
07/16/21
Translating a sentence into a multi-step inequality
The sum of a number times 2 and 16 is greater than 22.
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07/16/21
Exponential & Log Functions
If log2𝑛 (1944)= log𝑛 (486√2), find the values of 𝒏𝟑
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Mathematics
07/16/21
There is a number.Three times the number minus 6 is equal to 45. find that number.
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07/15/21
Show that,(cos4x-cos2x)/2sin3x=-sinx for all x such that sin(3x) is not equal to zero
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07/14/21
Find all x for this equation 2cosx-3=-5, 0<_x<_2π
The range is 0 is less than equal x and x is less than equal 2π.Solve this according to the rules of unit circle.
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Mathematics
07/14/21
A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of angle GBC and angle BGC.
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Mathematics
07/14/21
A regular hexagon ABCDEF and a square ABGH are formed on opposite side of AB. Find the measure of GBC and BGC.
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Let X(n) represent the measure of one exterior angle of a regular polygon of n sides. What is the domain of this function?
i am on a time limit, so if anyone can, pls answer in the next 20 minutes!
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Mathematics
07/13/21
Each baseball hat costs the same amount of money. The cost for 18 baseball hats was $216. What is the unit price?
Mathematics
07/13/21
What’s the answer
A rectangular sandbox is surrounded on all sides by a strip of grass that is 5 feet wide on all sides. The length of the sandbox is 4 feet more than the width, and thetotal area for the sandbox and...
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Find x (image included)
https://i.imgur.com/Kq6BvIy.png(A) 42 6/7(B) 43 1/3(C) 36 2/3(D) 46 2/3(E) none of these
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Complete the square:
y = x2 - 6x - 16(A) y = (x - 4)2(B) y = (x - 3)2 - 16(C) y = (x - 8) (x + 2)(D) y = (x - 3)2 - 25(E) none of these
Simplify the problem:
Please help me. Both square root symbols extend from the x to the 4 respectively.(5√x3y4) (4√x5y4)
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Factor: 2x^2...
Factor: 2x2+11x+12 The two factors are in the general form: (d x + e)(x + f). What is d x + e?(A) 2x + 3(B) 2x + 6(C) 2x + 12(D) 2x + 4(E) none of these
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Factor: 2x^2...
Factor: 2x2+11x+12 The two factors are in the general form: (d x + e)(x + f). What is d x + e?(A) 2x + 3(B) 2x + 6(C) 2x + 12(D) 2x + 4(E) none of these
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The carbon (C) in the compound...
The carbon (C) in the compound C3H3Cl5 weighed 66 g. How much did the hydrogen (H) weigh? (C, 12; H, 1; Cl, 35)(A) 3.4 g(B) 1.2 g(C) 66 g(D) 1.375 g(E) none of these
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Expand the equation:
Expand: (a1/2+b1/2)2(A) a1/4+b1/4(B) a+(ab)1/2+b(C) a+b(D) a+2a1/2b1/2+b(E) none of these
Write 4.̅5̅4̅5̅ as a fraction of integers
(A) 4541/999(B) 909/200(C) 450/99(D) 4545/1000(E) none of these
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Mathematics
07/11/21
The figure shows a hexagon ABCDEF. Angle a = angle d = 100°, The other angles are of same size. Find the value of angle abc.
07/10/21
The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.
The scores of one class on the Unit 2 mathematics test are shown in the accompanying diagram. Find the population standard deviation of these scores, to the nearest tenth.
Unit 2 Mathematics...
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07/10/21
Write a linear regression equation for this set of data, rounding values to the nearest ten-thousandth where necessary.
The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.Year Since 2000 (x): | Price Per Gallon (y)1 ...
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07/10/21
Using this equation, determine how much more the actual 2005 gas price was than the predicted gas price if the actual mid-September gas price for the year 2005 was $2.956.
The mid-September statewide average gas prices, in dollars per gallon (y), for the year since 2000 (x), are given in the table below.Year Since 2000 (x): | Price Per Gallon (y)1 ...
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