julia5WohMierrr julia5WohMierrr

24-12-2016
Mathematics

contestada

Is the inequality always, sometimes or never true?
1. 9(x+2) > 9(x-3)

2. 6x-13 < 6(x-2)

3. -6(2x-10) + 12x less than or equal to 180.

Respuesta :

HomertheGenius HomertheGenius

26-12-2016

1 ) 9 x + 18 > 9 x - 27
9 x - 9 x > - 27 - 18
0 * x > - 45
Always true
2 ) 6 x - 13 < 9 x - 12
6 x - 6 x < - 12 + 13
0 * x < 1
Always true
3 ) - 6 ( 2 x - 10 ) + 12 x ≤ 180
- 12 x + 60 + 12 x ≤ 180
0 * x ≤ 180 - 60
0 * x ≤ 120
Always true.

Answer Link

Otras preguntas

show that the curve has 3 points of inflection and they all lie on 1 straight line:\[y=\frac{1+x}{1+x^{2}}\]

If 62.0 grams of magnesium metal (Mg) react with 55.5 grams of oxygen gas (O2) in a synthesis reaction, how many grams of the excess reactant will be left over

Rank the following particles, from largest to smallest in mass: alpha particle, beta particle, proton. alpha particle, beta particle, proton beta parti

what is the difference between a tectonic plate and a hot spot?

90$%097910 •=09462910 =

The valence shells of alkaline earth metals generally possess more electrons than do the alkali metals. True False

In the figure below, lines r and s are parallel. What is the measure of angle three? Explain how you know.

In comparing the element argon, Ar, to magnesium, Mg: Magnesium is more reactive than argon Argon is more reactive than magnesium the two elements are equally r

how does plate movement create earthquakes

What property of hydrocarbon molecules correlates to the viscosity of a particular fraction when it is cooled to room temperature