caroltxo
caroltxo
30-08-2014
Mathematics
contestada
15 = -2 (2t - 1)
show work and explain
Respuesta :
TaylorBayley
TaylorBayley
30-08-2014
15=-2(2t-1) -- expand brackets
15=-4t+2 -- subtract 2
13=-4t -- switch signs, best to have a positive variable
4t=-13
t=-13/4
Answer Link
VER TODAS LAS RESPUESTAS ( 52+ )
Otras preguntas
Which of the following is NOT an example of ageism? a. advertisements that use elderly people to sell health related devices b. an older adult portrayed as a
____ at the tips of stems and roots produce rapid growth in plants. A. Apical growth B. Meristem C. Secondary growth D. Cells
Solve the following inequality: 38 < 4x + 3 + 7 – 3x. could someone show me this step by step? i have an idea but cant quite do it
Compared to the radius of a chlorine atom, the radius of a chloride ion is(1) larger because chlorine loses an electron(2) larger because chlorine gains an elec
Jeff and his family are driving to visit his grandmother. They have driven about 30 miles, which is 2/3 of the way. How much further do they have to go?
Work and energy are both measured in joules. a. True b. False
Why did oceans not exist on Earth nearly 4 billion years ago? a. No water molecules were present. b. Water remained a gas because Earth was very hot. c. Wate
If 5.0 milliliters of a 0.20 M HCl solution is required to neutralize exactly10. milliliters of NaOH, what is the concentration of the base?(1) 0.10 M (3) 0.30
Which one of the following sentences contains a predicate adjective? A. We scanned the distant shore for signs of life. B. The teacher appeared angry when Dave
How does cell communication work