msw5805 msw5805

02-02-2017
Mathematics

contestada

Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.
Mathematics

Respuesta :

wolffiegirl wolffiegirl

02-02-2017

4(x+15)≥120⇔4x+60≥120If we solve for x, we find that x≥15

Answer Link

Otras preguntas

help!! what is the volume of the rectangular prism? explain!!!

Take a factor out of the square root: √x^3

what do socialism and communism have in common?

100 is smaller than 110 by x%

under what condition does a business make a profit?

how do you do 37+87(mod7)

Use the net to find the surface area of the prism.

Mendal found that crossing wrinkle seeded plants with pure round seeded plants produced only round seeded plants.What genotypic &phenotypic can be expected

Hi can someone please help Which expressions are completely factored? 18x^4−12x^2=6x(3x^3−2x) 24x^6−18x^5=6x^5(4x−3) 12x^5+8x^3=2x^3(6x^2+4) 20x^3+12x^2=4x^2(5x

Frank is a software salesman. Let y represent his total pay (in dollars). let x represent the number of copies of history is fun he sells. Suppose that X and Y