3,003 Answered Questions for the topic elementary math

Elementary Math

11/09/22

System of equations
Dave and Sandy Hartranft are frequent flyers with Delta Airlines. They often fly from Philadelphia to Chicago, a distance of 780 miles. On one particular​ trip, they fly into the​ wind, and the... more
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Elementary Math

11/09/22

Find and interpret the slope of the line (9,6)(2,20)
Find and interpret the slope of the line containing the given points (9,6)(2,20)
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Elementary Math Math Algebra 1 Calculus

11/08/22

Math question algebra
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).P(x) = 9x3 − 4x2 − 9x,    D(x) = 9x − 4P(x) = ?
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Elementary Math

11/07/22

What's an easy way to multiple big numbers by 5?
To multiply any number by 5, you just divide the number by 2 (cut it in half), then multiply by 10 (add a zero to the end). Numbers greater than 12 tend to get harder and harder. So, here's an... more
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Elementary Math

11/07/22

Demand and supply

The demand for a product d in items per month is given by:d(p) = 17600e−0.18p, (1)where p is the price in kwacha of the product.(a) (i) p = 5.(ii) p = 15.(iii) p = 45.(iv) p = 150.(v) p = 400.(b)... more
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Elementary Math Math

11/07/22

find the sum of factors

find the sum of all the factors of each numbers1. 812. 102
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Elementary Math

11/05/22

Mathematics Equations

Which table shows the expressions offhand represent these phrases?8 more than the product of 5 and 75 times the sum of 7and 8.
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Elementary Math

11/05/22

a submarine dives 300 ft every 2 minutes and 6,750 ft every 45 minutes find the constant rate at which the submarine dives give your answer in feet per hour
i want answer in feet per hour
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Elementary Math

11/04/22

Calculate the Area and Perimeter of the following figures. The shaded boxes in the array are empty
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Elementary Math

11/02/22

Mercy has 3 3/5 candy bars left, and I have 6.73 candy bars left. How much more candy do I have than Mercy?
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Elementary Math

11/01/22

What would be a doubles fact for 1+2
My 7 year old is doing double facts so I need help to find out the double facts for 1+2
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Elementary Math Math Algebra 1 Finite Math

10/20/22

Please help with this question.
Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form?
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Elementary Math Math Algebra 1 Finite Math

10/20/22

Please help with this question.
Line CD passes through points C(3, –5) and D(6, 0). What is the equation of line CD in standard form?
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Elementary Math Calculus Precalculus

10/16/22

Functions differentiable at infinitely many point and non-differentiable at infinitely many points?
Whether such functions exist which are differentiable at infinitely many point and non-differentiable atinfinitely many points, if yes give two examples, if no justify your answer?
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Elementary Math Calculus Precalculus

10/16/22

Functions differentiable and non-differentiable at infinitely many points?
Whether such functions exist which are differentiable at infinitely many point and non-differentiable atinfinitely many points, if yes give two examples, if no justify your answer?
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Elementary Math

10/15/22

How many hours are in h hours and in d days?
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Elementary Math Calculus Geometry

10/15/22

Determine whether fog and gof are continuous at x = 0.
Let $f(x) = x^2$and$g(x) = {−4 if x ≤ 0 {|x − 4| if x > 0$Determine whether fog and gof are continuous at x = 0
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Elementary Math Algebra 1 Calculus

10/15/22

At which points does the graph of the f(x) have horizontal tangent line?
(2x^2-2x-1)/(x^4+1) 
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Elementary Math Math Sat Math

10/13/22

How to execute the conversion process for this? What is the miles per hour and the feet per sec?
Vance recently ran a marathon. It took him 5.2 hours to run the 26.2 miles required to complete a marathon. Find his average speed in miles per hour. Then convert his speed to feet per second.... more
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Elementary Math Math

10/12/22

find the speed of the boat in still water
A boat travels down a river. It takes 120 minutes to travel the outward journey that is made following the current of the river. On the way back, with the current against him, he spends three... more
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Elementary Math

10/06/22

The length and width of rug
Rug is 2x it’s width. The area of the rug is 8 feet. What is the length and width length of rug?
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Elementary Math Math Sat Math Discrete Math

10/05/22

I need help with this question
what is (a² = 3) when the arithmetic sequence is0, 2, 4, 6, 8, 10?
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10/05/22

I need help with this question, what is 3 + x = 8? when x=5
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Elementary Math

10/04/22

write the number in standard form.
4x1000+1x100+6x10+3x1+7x10
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Elementary Math Math Sat Math Act Math

10/04/22

What is the percentage of these two apartments?
You are comparing the prices of two different apartments. The first apartment is new and fully furnished with a monthly rent of $950. The second is a much older basement apartment but the rent is... more
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