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Factorise y² + 5y-84
answered
May 21, 2021
Mathematics
high-school
1
vote
68.7k
views
A 2.0-kg stone is tied to a 0.50 m long string and swung around a circle at a constant angular velocity of 12 rad/s. The circle is parallel to the xy plane and is centered on the z axis, 0.75 m from the
answered
Mar 15, 2021
Physics
college
4
votes
132k
views
Find the product. 11 × 6.41 60.51 70.51 12.82 128.2
answered
Jan 20, 2021
Mathematics
high-school
2
votes
228k
views
What is the age average for this app users
answered
Dec 16, 2020
Social Studies
middle-school
7
votes
174k
views
How did the introduction of the stirrup change military warfare during the middle ages
answered
Dec 3, 2020
History
middle-school
2
votes
52.8k
views
What trade off does locke says occurs when people live under governments?
answered
Oct 9, 2019
Social Studies
high-school
1
vote
9.9k
views
Triangle XYZ is reflected across the y-axis, and X = (4,-5). What are the coordinates of X’ ? A) (-5, 4) B) (-4, -5) C) (4, 5) D) (-4, 5)
answered
Aug 31, 2019
Mathematics
high-school
4
votes
215k
views
A system of 1515 particles, each of which is either an electron or a proton, has a net charge of −6.032×10−17 c.
answered
Aug 14, 2019
Chemistry
college
0
votes
89.2k
views
3 Ni2+(aq) + 2 Cr(OH)3(s) + 10 OH− (aq) → 3 Ni(s) + 2 CrO42−(aq) + 8 H2O(l) ΔG∘ = +87 kJ/mol Given the standard reduction potential of the half-reaction Ni2+(aq) + 2 e− → Ni(s) E∘red = -0.28 V, calculate
answered
May 17, 2019
Chemistry
high-school
5
votes
165k
views
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