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What is the main reason the chemical energy of a fuel is never entirely converted to mechanical energy in an engine? A) Some of the energy is lost as heat. B) Some of the energy is converted to mass. C)
answered
Sep 13, 2021
Physics
middle-school
3
votes
145k
views
Escoge la mejor respuesta. Dulce de leche no es muy común en Argentina. True False
answered
Aug 24, 2021
Spanish
high-school
3
votes
6.4k
views
Which data are qualitative? Check all that apply. The Earth’s core is made mostly of iron and nickel. The world’s strongest earthquake had a magnitude of 9.5. Topaz is a mineral that can be blue in color.
answered
Jul 25, 2021
Biology
high-school
2
votes
14.9k
views
Choose the detail that best supports the idea that the family was worried they would be rejected.
answered
Jul 19, 2021
English
high-school
1
vote
88.9k
views
What is the answer to v/71 = -3/71
answered
May 18, 2021
Mathematics
middle-school
2
votes
220k
views
Which of the following expressions is not correctly written in scientific notation? 1 × 10 4 10 × 10 7 9 × 10 2 5 × 10 3 include an explanation please :D
answered
Apr 30, 2021
Mathematics
middle-school
1
vote
202k
views
Janice left the mall with $13.42 she spent $42.89 on a pair of jeans $17.45 on a shirt and $28.93 on a purse how much money did Janice start with
answered
Apr 20, 2021
Mathematics
college
2
votes
112k
views
Select the correct answer How would you write the number 13 in Spanish? O A. O B. seis tres treinta OD. trece O E. veintitrés
answered
Nov 27, 2020
Spanish
middle-school
4
votes
142k
views
CAN SOMEONE PLEASE HELP!!!
answered
Oct 13, 2020
English
middle-school
3
votes
32.2k
views
Please help me out..........
answered
Aug 25, 2020
Mathematics
high-school
5
votes
177k
views
What is one important style decision that a speaker makes when writing a speech? A. The overall tone of the speech to engage the audience. B. The level of formality that best fits the topic and the audience.
answered
Jan 12, 2020
English
middle-school
0
votes
225k
views
Prove that set of all rational numbers is countable
answered
Oct 9, 2019
Mathematics
high-school
6
votes
129k
views
ALGEBRA 1, SEMESTER 2 What is the average rate of change of the function over the interval x = 0 to x = 8? f(x)=2x+3/3x−3 Enter your answer, as a fraction
answered
Sep 3, 2019
Mathematics
high-school
1
vote
110k
views
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