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Which of the following subsets of vectors x y z are subspaces of R 3 ? I The set of all vectors satisfying the condition x + y − z = 1. II The set of all vectors satisfying the condition z = xy. III The
answered
Aug 29, 2020
Mathematics
high-school
3
votes
180k
views
company manufactures and sells x cellphones per week. The weekly price-demand and cost equations are given below. p equals 500 minus 0.5 xp=500−0.5x and Upper C (x )equals 25 comma 000 plus 140 xC(x)=25,
answered
Aug 22, 2020
Mathematics
college
4
votes
222k
views
A line has a slope of 3 and passes through the point (1, 0) . What is its equation in slope -intercept form?
answered
Aug 17, 2020
Mathematics
middle-school
3
votes
33.5k
views
The first four terms of a pattern are given below. 4, 0, -4, -8, ... What is the eighth term of the pattern? A.-24 B.-8 C.-20 D.-28
answered
Jul 31, 2020
Mathematics
middle-school
5
votes
141k
views
Water molecules form which type of bond with other water molecules? a. disulfide bridges b. covalent bonds c. hydrogen bonds d. ionic bonds e. van der waals bonds
answered
Oct 15, 2019
Chemistry
high-school
6
votes
32.1k
views
Find the sum of (x+5) and (2x+3)
answered
Sep 10, 2019
Mathematics
middle-school
4
votes
11.7k
views
The number of students in each class is shown. 9,23,18,14,20,26,14,18,18,12,8,13,21,22,28,10,7,19,24,20 complete each frequency table.
answered
Jun 16, 2019
Mathematics
middle-school
5
votes
186k
views
The sum of a Number times 3 and 15
answered
Jan 31, 2019
Mathematics
middle-school
4
votes
175k
views
“Water, water, everywhere, And all the boards did shrink; Water, water, everywhere, Nor any drop to drink.” - from the "Rime of the Ancient Mariner". Which type of figure of speech is found in this literary
answered
Nov 30, 2018
English
high-school
4
votes
168k
views
What did historian frederick jackson turner mean when he argued for a safety valve
answered
Nov 6, 2018
History
college
5
votes
140k
views
Do you think the steps to citizenship should be made easier or harder
answered
Jul 4, 2018
Business
high-school
6
votes
28.6k
views
7dozen pairs of padded work gloves $494.92 she correctly calculate the unit price and $13 and 56 at prepare for a expense report what is the correct unit price
answered
May 16, 2018
Mathematics
middle-school
3
votes
142k
views
Why do you think England passed the quartering act
answered
Mar 3, 2018
History
middle-school
2
votes
18.2k
views
I have to write an essay about why I think students should have more than 1 lockers. I just need 2 more ideas for my body paragraphs.
answered
Mar 1, 2018
English
middle-school
2
votes
152k
views
If the temperature of water at 30∘C is raised by 1∘C, the water will expand. At approximately what initial temperature T will water expand by twice as much when raised by 1∘C?
answered
Aug 1, 2017
Chemistry
high-school
5
votes
52.4k
views
How did Russia become a communist country? A. Russia fought in the Great War, and the Treaty of Versailles made Russia a communist country. B. During the World War I, Germany took control of Russia and
answered
Jun 27, 2017
History
middle-school
4
votes
104k
views
Can someone please shorten this definition batholith: A large mass of hardened igneous rock beneath all layers of sedimentary rock.
answered
May 24, 2017
Chemistry
high-school
5
votes
143k
views
The positive square root of 72 lies between what pairs of integers? a. 5 and 6 b. 6 and 7 c. 7 and 8 d. 8 and 9 e. 9 and 10
answered
Jan 10, 2017
Mathematics
high-school
6
votes
163k
views
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