SARA

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

Questions

The following questions were asked by visitors named SARA.

A thermodynamic system undergoes a process in which its internal energy increases by 480 J. At the same time, 220 J of work is done by the system. Find the energy transferred to or from it by heat? I TRIED ADDING 480+220 TO GET 740 but it says it is not t...
17 years ago
Which of the problems in the construction of the CPI might be illustrated by each of the following situations? Explain. a. the invention of the Sony Walkman b. the introduction of air bags in cars c. increased personal computer purchases in response to a...
16 years ago
How did the industrial revolution affect ri today
14 years ago
2x-3(x+4)= -5 The answer is -7 , but I am unable to get this answer. tried working problem several ways get different answers for ex. I get -17 or 7 Please I need some help
13 years ago
I am having trouble solving this problem. Q - One mile is 5280 feet. Justin has a stride of 32 inches. How many steps will he take to run a 26-mile marathon. I tried 5280 x 32 = 168,960 incorrect. 5280 x 26 = 137,280 divided by 32 = 4290 incorrect.5280 di...
13 years ago
During heavy rain, a section of a mountainside measuring 5.4 km horizontally (perpendicular to the slope) 0.80 km up along the slope, and 2.1 m deep slips into a valley in a mud slide. Assume that the mud ends up uniformly distributed over a surface area...
12 years ago
Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 103 kg/m3. What mass of sand grains would have a total surface area (the total area of all the ind...
12 years ago
Im having a hard time trying to solve this problem. Can someone please help me? Marcial found a recipe for fruit salad that he wanted to try to make for his birthday party. He decided to triple the recipe. 3 1/2 cups thinly sliced rhubarb 15 seedless grap...
11 years ago
20.) How do I find the zeros of the function algebraically? ex1) f(x)= x^3 -4x^2 -9x +36 ex3) f(x)= 3 +(5/x) ex7) f(x) = (2x^2-9)/ (3-x)
10 years ago
How do I determine whether the function is even, odd, or neither. How do I describe the symmetry? ex 1) f(t)= t&2 +2t -3
10 years ago
I NEED HELP WITH MULTIPLACATION
9 years ago

Answers

The following answers were posted by visitors named SARA.