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Questions Answered

anthonysnyder200:
How can you predict whether a precipitate will form when two salt solutions are mixed?
 updated one month ago
 1 reply
 1 Medal
Mathematics

NoahAndrew:
what is biology
 updated 3 months ago
 7 replies
 6 Medals
Mathematics

natalierenaee:
an arrow is shot at a 30 degree angle with the horizontal. It has a velocity of 49 m/s. how high does the arrow go?
 updated 3 months ago
 13 replies
 1 Medal
Mathematics

Inuyasha4EVR:
what is an effective method for separating water and alcohol
 updated 3 months ago
 3 replies
 1 Medal
Mathematics

CHRIZXR3:
How many liters of CO2 are produced when 126 grams of glucose completely react with oxygen? Glucose, C6H12O6, is a good source of food energ…
 updated 4 months ago
 3 replies
 No Medals Yet
Mathematics

chemistrydummy:
In the TV show "Breaking Bad" the characters attempt to use HF acid to dissolve guns (among other things). Here we consider instead dissolvi…
 updated 4 months ago
 4 replies
 No Medals Yet
Mathematics

dekin90:
The number of valence electrons for any element can be determined by knowing
 updated 4 months ago
 3 replies
 1 Medal
Mathematics

Tweedyr16:
A single atom of platinum has a mass of 3.25 x 10^22.What is the mass of 6.0 x 10^23 platinum atoms.
 updated 4 months ago
 3 replies
 No Medals Yet
Mathematics

aroub:
The distance from T to W is 20 km and the bearing of T from W is 070. The bearing of a car C and a truck K are respectively 130 and 150 from…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

Reaper534:
Which equation represents the line that contains the point (2, 9) and is perpendicular to the line y = 2x + 6?
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

aroub:
When is the moment zero?
 updated one year ago
 12 replies
 2 Medals
Mathematics

icalibear:
Can somebody check my geometry homework and help with one question I can't get? PLEASE :(
 updated one year ago
 34 replies
 4 Medals
Mathematics

rebecca1233:
In a 45° 45° 90° right triangle, the length of the hypotenuse is 15. How long are the legs?
 updated one year ago
 5 replies
 1 Medal
Mathematics

otakugirl:
Select the equations that are parallel and perpendicular to y =1/4x + 7 and that pass through the point (8, 9).
a) parallel: y =1/4x  …
 updated one year ago
 15 replies
 2 Medals
Mathematics

aroub:
State the steps used to construct a segment of length d such that a/b =c/d given three other segments of length a, b and c O.o
 updated one year ago
 6 replies
 2 Medals
Mathematics

broweyebrit:
If h(x) = −5x − 10, find h(−2).
−20
…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

cupcake918:
What is the simplified form of the expression?
 updated one year ago
 3 replies
 1 Medal
Mathematics

KatieMO:
This makes no sense at all. How can the sides of the same triangle be different lenghts?
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

weekskeith15:
If a transversal intersects two parallel lines, then _____ angles are supplementary.
alternate interior
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

hba:
MY FIRST TUTORIAL
 updated one year ago
 12 replies
 2 Medals
Mathematics

huntaz556:
Find x and show steps?
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

mitchelsewbaran:
Flying at a constant speed, a plane traveled 62 miles in 4 hours. Given this rate, how many miles did the plane travel in 3 hours?
 updated one year ago
 3 replies
 1 Medal
Mathematics

mitchelsewbaran:
If 2r=5s, and 5s=6t, what is "r" in terms of "t"?
12/25t
…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Jamietaylor161:
what is the standard form of the polynomial 9+5x^3x^2?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

marcoduuuh:
Assume that ABC ~ PQR. Which of the following congruence statements are correct?
[Check all that apply.]
(Picture below.)
 updated one year ago
 10 replies
 2 Medals
Mathematics

KatieMO:
I am not sure if i did this right,...
 updated one year ago
 8 replies
 1 Medal
Mathematics

hannabanana19970:
1. Is the following relation a function? (0.3,0.6),(0.4,0.8),(0.3,0.7),(0.5,0.5)
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

aroub:
Given a ∆PQR, what is the locus of points that are equidistant from R at a distance QR?
idk, maybe a circle with center R and and a radi…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

aroub:
In a plane, what is the locus of points equidistant from the endpoints of a segment AB of length 10 cm?
umm, I'm thinking it is a perpend…
 updated one year ago
 10 replies
 1 Medal
Mathematics

HighlyEducated87:
Find the constant k so that the quadratic equation 2x^2 + 5x  k = 0 has two real solutions?
 updated one year ago
 8 replies
 2 Medals
Mathematics
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