6,938 Answered Questions for the topic mathematics

Mathematics Math Algebra 1 Algebra 2

03/20/22

Write the function for the following machine given the three pairs of inputs and outputs:
Write the function for the following machine given the three pairs of inputs and outputs: x=1 x=2 x=3 I ... more
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Mathematics Math Algebra 1 Algebra 2

03/20/22

Please help me to solve this.
Find x such that f(x)=0 for f(x)=-2x2-x
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Mathematics Math Algebra 1 Algebra 2

03/20/22

Please help me to solve this.
Find f(-1) if f(x)=-2x2-x
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Mathematics Math Algebra 2 Algebra

03/20/22

Finding the solution
Solve: - 5x^2 + 5 = - 2x The solution contains a reduced fraction ± another reduced fraction with a radical numerator. What is this fraction with a radical numerator?(A) ± 2 √6 i / 5(B) ± 2 √26 /... more
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Mathematics Math Algebra 2 Algebra

03/20/22

Convert 2.54 liters...
Convert 2.54 liters to cubic centimeters.(A) (2.54)(2.54)(2.54) / 1000 cm ^3(B) (10)(10)(10) / (1000)(2.54) cm ^3(C) (2.54)(10) / (1000) cm ^3(D) (1000)(2.54)cm ^3(E) none of these
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Mathematics Math Algebra 2 Algebra

03/20/22

Algebra Help Please
Add: -3∠-125° + 7∠115°(A) - 1.24 R + 8.80 U(B) 3.89 R - 4.68 U(C) - 4.68 R + 8.80 U(D) 0.15 R + 1.73 U(E) none of these
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Mathematics Math Algebra 2 Algebra

03/20/22

If the cost of corn varies...
If the cost of corn varies directly with the number of ears purchased, and 6 ears cost 9 dollars, how many ears would cost 162 dollars?(A) 18(B) 243(C) 486(D) 1 / 3(E) none of these
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Mathematics Math Algebra 1 Algebra 2

03/20/22

Your friend has loaned you $2500. Each week, you pay back $75 to this friend.
Your friend has loaned you $2500. Each week, you pay back $75 to this friend.a). Complete the following table, where m = number of months and d = debt owed. m d ... more
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Mathematics Math Algebra 1 Algebra 2

03/20/22

Please help me to solve this.
At a particular gas station gas costs $3.35 per gallon, but if you buy a $4.50 car wash gas only costs $3.05 per gallon. Let C represent cost and g represent the number of gallons.a). Write an... more
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Mathematics Math Algebra 1 Algebra 2

03/19/22

Assume an exponential function has a starting value of 5 and decay rate of 13%. Write an equation to model the situation.
Assume an exponential function has a starting value of 5 and decay rate of 13%. Write an equation to model the situation.
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Mathematics Math Algebra 1 Algebra 2

03/19/22

If a staircase has 8 inches of rise for every 12 inches of tread, what is the slope of the staircase?
If a staircase has 8 inches of rise for every 12 inches of tread, what is the slope of the staircase?
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Mathematics Math Algebra 1 Algebra 2

03/19/22

Factor the following expressions.
Factor the following expressions.a). 4x3y2-8xy2+32x3y3b). -2m2n-34mn-144nc). 9x2-25y2
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Mathematics Math Algebra 1 Algebra 2

03/19/22

Fill in each blank with the appropriate word or phrase.
Fill in each blank with the appropriate word or phrasse.a). When solving systems of two equations you can have ___, ___, or ___ numbers of solutions.b). Rate of change is another name for... more
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Mathematics Math Finance

03/19/22

The maker of cardboard boxes leases a warehouse and pays $9,000 at the beginning of each month for 5 years.
The maker of cardboard boxes leases a warehouse and pays $9,000 at the beginning of each month for 5 years. If interest rates are 3.75% compounded monthly, what is the present value (in dollars) of... more
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Mathematics Math Calculus Maths

03/19/22

A printer needs to make a poster that will have a total area of 200 in^2 and will have 1- inch margins on the sides,

A printer needs to make a poster that will have a total area of 200 in^2 and will have 1- inch margins on the sides, a 2-inch margin on the top and a 1.5-inch margin on the bottom as shown in... more
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Mathematics Math Calculus Maths

03/19/22

A Norman window is constructed by adjoining a semicircular window to the top of a rectangular window (See Figure 13.).

A Norman window is constructed by adjoining a semicircular window to the top of a rectangular window (See Figure 13.). If the perimeter of the window in 16 ft, find its dimensions so that it admits... more
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Mathematics Math Calculus Maths

03/19/22

A random sample of size 50 is taken from a large population with mean 𝝁 = 𝟏𝟔𝟎 and standard deviation 𝝈 = 𝟏𝟖.

A random sample of size 50 is taken from a large population with mean 𝝁 = 𝟏𝟔𝟎 and standard deviation 𝝈 = 𝟏𝟖. What is the mean of the sampling distribution of the sample means? (is 160 the correct... more
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Mathematics Math Geometry

03/17/22

In a baseball field, home plate and the three bases are supposed to be the corners of a square. Do the directions below result in home plate and the three bases being the corners of a square?

The Major League Baseball website provides instructions for laying out a basball field: “when the location of home plate is determined, use a steel tape (tape measure) to measure 127 feet, 3 3/8... more
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Mathematics Math Calculus Maths

03/17/22

A population consists of the three numbers (3,5,7). Make a table and compute for the following:
A population consists of the three numbers (3,5,7). Make a table and compute for the following:A population consists of the three numbers (3,5,7). Make a table and compute for the following:(a)... more
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03/17/22

You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour.
You are apart-time crew at a fast food chain. Suppose you serve a certain number of customers every hour. Assume the number of people you have served in 3 hours and let this be your population... more
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Mathematics Math Calculus Maths

03/17/22

A population consists of the three numbers (3,5,7). Make a table and compute for the following:
A population consists of the three numbers (3,5,7). Make a table and compute for the following:(a) Population mean(b) Population variance(c) Population standard deviation. Complete the table and... more
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Mathematics Math Calculus

03/17/22

Second Derivative Test
Given f(x, y) = x2y − 2xy + x2 − 2x + y2 − y. (a) Fi‎nd the criti‎cal poin‎ts of f. (b) U‎se the Se‎cond Derivati‎ves T‎est to cl‎assify the c‎ritical poi‎nts obt‎ained in (a).
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Mathematics Math Calculus

03/17/22

Lagrange Multipliers
Us‎e the M‎ethod of Lagr‎ange Mul‎tipliers to find the m‎inimum and maxi‎mum val‎ues of the fun‎ctionf(x,y) = 2xy2-2xwh‎ere the po‎int (x, y) lie‎s on the c‎urve x2 + 4y2 = 4
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Mathematics Math Calculus

03/17/22

Finding the equation of the plane tangent
‎Let S be the su‎rface descr‎ibed by the vec‎tor functi‎onR->(u,v)=<v2, u+v, e2u>F‎ind an equ‎ation of the pla‎ne tan‎gent to S at the po‎int (4, −2, 1)
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Mathematics

03/17/22

The height of an airplane during a landing is given by 22,000+(-480t) , where t is the time in minutes. Estimate how many minutes it takes the plane to land to the nearest hundredth of a minute.
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