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What is the exact volume of the cone? A. 40n cm3 B. 80/3 n cm3 C. 160/3 n cm3 D. 160n cm3
answered
Mar 24, 2022
Mathematics
high-school
4
votes
110k
views
For Na2HPO4:(( (Note that for H3PO4, ka1= 6.9x10-3, ka2 = 6.4x10-8, ka3 = 4.8x10-13 ) a) The active anion is H2PO4- b) The active anion is HPO4 3- c) is basic d) Is acidic
answered
Jan 1, 2022
Chemistry
college
3
votes
172k
views
Which is true of a substance with a lot of mass: A. It has a large volume B. It has a large density C. It contains a lot of matter D. It is always a metal E. Other:
answered
Dec 16, 2021
Chemistry
middle-school
0
votes
56.9k
views
F(x)={(x^(2)+4 x 1):}
answered
Nov 20, 2021
Mathematics
college
4
votes
113k
views
8) Fifty of 150 students wear school spirit T-shirts. Find the percent. *
answered
May 11, 2021
Mathematics
high-school
4
votes
135k
views
The national mean annual salary for a school administrator is $90,000 a year (The Cincinnati Enquirer, April 7, 2012). A school official took a sample of 25 school administrators in the state of Ohio to
answered
Apr 18, 2021
Mathematics
college
4
votes
206k
views
Pleaaeeeeeeeeeeeeeee helpppppppppppppopppppooppoppp
answered
Apr 11, 2021
Mathematics
high-school
6
votes
77.9k
views
What characteristic distinguishes vertebrates and non vertebrates chordates
answered
Apr 10, 2021
Biology
college
5
votes
169k
views
Which ordered pairs represent points on the graph of f(x)= -3 StartRoot x EndRoot? Check all that apply. (–2, 2) (–1, –1) (0, 0) (1, –1) (6, –2) (8, –2)
answered
Feb 15, 2021
Mathematics
middle-school
4
votes
186k
views
Four less than three times a number is 20
answered
Jan 29, 2021
Mathematics
high-school
4
votes
56.9k
views
A woman performs 2000 J of work in order to push a cart full of groceries 50 meters. How much force did she apply to the cart? *
answered
Jan 29, 2021
Physics
middle-school
1
vote
61.1k
views
2. Explain why it may be necessary to return to the implementation iterative development process after the testing stage.
answered
May 29, 2020
Computers and Technology
middle-school
3
votes
22.3k
views
In what way did railroad help the nations economy grow
answered
Mar 22, 2020
History
middle-school
5
votes
72.5k
views
Please help me out The equation 9(w + 7) = 27 solved in several steps below. For each step, choose the reason that best justifies it. The options are the same for each one.
answered
Mar 6, 2020
Mathematics
high-school
1
vote
130k
views
For normal distribution with mean μ = 400 and standard deviation σ = 100 find probability that x is greater than 619: p(x > 619)
answered
Oct 14, 2019
Mathematics
college
3
votes
188k
views
An interior narrative is made up of A. feelings and inner thoughts. B. statements. C. secrets. D. occurrences.
answered
Apr 17, 2019
English
middle-school
6
votes
35.9k
views
HELP ASAP!!! 15 POINTS What form is energy in when it enters a food chain and when it leaves a food chain?
answered
Apr 12, 2019
Chemistry
college
5
votes
187k
views
Why the expressionY+y+y and3y are equivalent
answered
Jan 26, 2019
Mathematics
high-school
4
votes
154k
views
Whit is the product of 9 and 740???
answered
Oct 5, 2018
Mathematics
middle-school
3
votes
206k
views
How did the fighting in Iwo Jima and Okinawa affect the Allies' Pacific strategy?
answered
Sep 8, 2018
History
high-school
1
vote
33.1k
views
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