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On his first three tests, Justin scored 99, 93, and 86. What score must he get on his fourth test to have an average (mean) of 80 for all four tests?
answered
Jun 22, 2020
Mathematics
middle-school
4
votes
132k
views
It took Alice 5 5/6 hours to drive to her grandparents' house for Thanksgiving. On the way home, she ran into traffic and it took her 7 3/8 hours. How much longer did the return trip take? Write your answer
answered
May 16, 2020
Mathematics
college
4
votes
109k
views
Which of the following is a way that the body determines how much of a certain chemical, protein, enzyme, or response is needed to maintain homeostasis? A. Signal loop B. Feedback inhibition C. Kickback
answered
Jan 8, 2020
Biology
high-school
4
votes
62.8k
views
What is a coordinate adjectives
answered
Dec 25, 2019
English
middle-school
1
vote
229k
views
Let’s try another one. A bag contains 36 red, 48 green, 22 yellow, and 19 purple blocks. There are 125 blocks in the bag. You choose one block from the bag at random. What is the theoretical probability
answered
Dec 14, 2019
Mathematics
college
4
votes
174k
views
Mick paid $2.94 in sales tax on an item that cost $42.00 before tax. At that rate, how much would he paying sales tax before an item that cost $58 before tax
answered
Jul 27, 2019
Mathematics
high-school
4
votes
132k
views
If vector u=(-4,8) and v=(5,-18) vector , which vector can be added to 2u-4v to give the unit vector in the direction of the y-axis as the resultant vector?u
answered
May 10, 2019
Mathematics
middle-school
1
vote
134k
views
The ideals of _____ can be clearly seen in the local, state, and national levels of law enforcement.
answered
Nov 9, 2018
Social Studies
high-school
1
vote
131k
views
When comparing two jobs, Chris noticed that the hours every week were the same at each, but the job at the hospital paid $3.00 per hour more than the job at the mall. She can earn $440 per week at the
answered
May 7, 2018
Mathematics
high-school
5
votes
78.5k
views
The explorations of Francis Drake, James Cook, and George Vancouver gave what country a claim to Oregon?
answered
Feb 11, 2018
History
high-school
4
votes
211k
views
Lauren ran for 45 minutes and traveled 3 miles. what is her rate per mile
answered
Jan 9, 2018
Mathematics
middle-school
0
votes
97.0k
views
If 1 mile is equal to 1.61 kilometers, how many kilometers are there in 50 miles
answered
Mar 26, 2017
Mathematics
high-school
1
vote
46.6k
views
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