01-10-2017
Mathematics

contestada

1. round the result to 2 decimal places. -0.9x+2.8=4.1
a) -2.56
b) -2.56
c) -1.44
d) 2.20

2. jordan has 650 pennies. he plans to give 85 to his brother and split with his twin sister. he wants to know how many pennies to keep for himself. which equation models the situation?
a) 2(85+2x=650
b) 85(x-2)=650
c) 85x=650
d) 85+2x=650

Respuesta :

02-10-2017

1. -0.9x+2.8=4.1
First subtract 2.8 from both sides.
-0.9x = 1.3
Now divide both sides by -0.9.
x = -1.4444..
This can be rounded to -1.44
c) -1.44

2. Jordan has 650 pennies. He'll give 85 to his brother and split the rest with his sister.
d) 85+2x=650

Answer Link

Otras preguntas

La tía les aconseja a los primos que no ________ mucho pastel. a. coman b. comen c. comamos

A rhino can run at speeds of about 28 miles per hour. What is that speed in feet per second, to the nearest whole number? (Remember, there are 5280 feet in a mi

Sparrow Corporation (a calendar year, accrual basis taxpayer) had the following transactions in 2019, its second year of operation: Taxable income $330,000 Fede

On June 1, 2020, Smith sold equipment to Landing Inc. in exchange for a zero-interest bearing note with a face value of $110,000, with payment due in 12 months.

Carbon monoxide and chlorine gas react to produce COCl2 gas. The Kp for the reaction is 1.49 × 108 at 100.0 °C: In an equilibrium mixture of the three gases, PC

would you have considered settling on the Texas frontier during this era ? why or why not

f(x)=0.2(x-2)(x+1)(x-5) determine end behavior

How can you be sure a piece of material is fake news? A. Determine if the source is presenting information objectively. B. Skim the piece for grammatical erro

1 2 3 4 5 6 7 8 9 10 TIME REMAINING 59:40 Based solely on their titles, which contemporary novel most likely contains a mythological element that is also found

2Na+Cl 2 →2NaCl2, start text, N, a, end text, plus, start text, C, l, end text, start subscript, 2, end subscript, right arrow, 2, start text, N, a, C, l, end