mara

This page lists questions and answers that were posted by visitors named mara.

Questions

The following questions were asked by visitors named mara.

A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.
18 years ago
In tale of two cities please answer these questions in chapters 11,12,13: 1-why did darnay decided to go back to paris? 2-"in the name of that sharp female born and called la guillotine why did you come to france" who said these words?to who and when? 3-d...
17 years ago
2578 diveded by4
15 years ago
the lengths of two sides of a triangle are 15 inches each and the third side measures 10 inches what kind of triangle is that
14 years ago
a mass 3 kg is dropped from a 20m high stand how long does it take to reach the ground?
14 years ago
if you have a chance of 1 out of 60 of your baby having down syndrome is it bad?
13 years ago
What are objects that are between 5 centimeters to 8 centimeters long?
12 years ago
how do calculate this 55 divided by 3500
11 years ago
rationalize the numerator: ((square root of m)-(square root of 7))/(7-x). thank you so much
10 years ago
convert to fraction: 8.714285714285714285...(the 714285 is repeating.
10 years ago
A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s) 2 Hg(l) + O2(g) Hrxn = 181.6 kJ (a) How much heat is needed to decompose 556 g of the oxide? (b) If 288 kJ of heat is absorbed, how many grams of mercury...
9 years ago
Calculate Hrxn for the reaction below. 2 NOCl(g) N2(g) + O2(g) + Cl2(g) You are given the following set of reactions. 1/2 N2(g) + 1/2 O2(g) NO(g) H = 90.30 kJ NO(g) + 1/2 Cl2(g) NOCl(g) H = -38.6 kJ
9 years ago
Use the following information to find Hf of butanol [C4H9OH(l)]. C4H9OH(l) + 6 O2(g) 4 CO2(g) + 5 H2O(g) Hcomb = -2712.9 Hf of CO2(g) = -393.5 kJ/mol Hf of H2O(g) = -241.8 kJ/mo
9 years ago
what is diffraction? When does it occur? Which waves will defract more when passing through an opening?
9 years ago
a map is drawn using the scale 2 cm: 100 mi. on the map ,town b is 3.5 centimeters from town a, and town c is 2 centimeters past town b. how many miles apart are town a and town c
8 years ago
Middle Ages 2 Questions PLEASE HELP In what way is the character of Sir Gawain different from other epic heroes such as Beowulf? What is ironic in the words used by the narrator to describe the Summoner in “The Prologue” to The Canterbury Tales? You’d mee...
7 years ago

Answers

The following answers were posted by visitors named mara.