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Rony
Questions (20)
Solve for x:
1. 3^2x+3^x+1-4=0 2. log3(x=12)+log3(x+4)=2 3. lnx+ln(x+2)=4 4. 3*4^x+4*2^x+8=0
0 answers
443 views
the playground at a daycare center has a triangular-shaped sandbox. Tow of the sides measure 20 feet and 14.5 feet and form and
4 answers
1,807 views
The Vietnam Veterans Memorial in Washington, D.C., is made up of two walls, each 246.75 feet long, that meet at an angle of
3 answers
1,575 views
If a is an angle in standard position and its terminal side passes through the point (-3,2), find the exact value of csc a.
Answe
2 answers
1,544 views
Analyzing a Stock. The beta, B of a stock represents the relative risk of a stock compared with a market basket of stocks, such
0 answers
633 views
If θ is an angle in standard position and its
terminal side passes through the point (−3,2), find the exact value of cscθ . I
2 answers
7,394 views
A circle has a radius of 4 inches. In inches, what is the length of the arc intercepted by a central angle of 2 radians?
which of
1 answer
1,521 views
the expression cos4x cos3x + sin4x sin3x is equivalent to
which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4)
4 answers
3,966 views
find, to the nearest minute, the angle whose measure is 3.45 radians.
3 answers
809 views
A shoe manufacturer determines that the annual cost of making x pairs of one type of shoe is $30 per pair plus $100,000 in fixed
0 answers
708 views
Find the zeros of f(x)=(x-1)^2 + 5(x-1)+4
1 answer
385 views
The weekly rental cost of a 20 foor recreational vehicle is $129.50 plus $0.15 per mile.
-Find a linear function that express the
1 answer
1,380 views
f(x)=2x^2+1 and g(x)=3x-2
find f(x+h)-f(x)
0 answers
303 views
A potential difference of 0.90 V exists from one side to the other side of a cell membrane that is 5.0 NM thick. What is the
2 answers
673 views
Resistors R1, R2, and R3 have resistances of 15.0 Ohms, 9.0 Ohms and 8.0 Ohms respectively. R1 and R2 are connected in series,
3 answers
11,470 views
A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to
1 answer
7,665 views
Two resistors, one 12Ohms and the other 18 Ohms, are connected in parallel. What is the equivalent resistance of the parallel
2 answers
5,078 views
What is the force between two charged spheres 1.25 cm apart if the charge on one sphere is 2.50 C and the charge on other sphere
5 answers
874 views
a potential difference of 0.90 V exists from one side to the other side of a cell membrane that is 5.0 nm thick. What is the
1 answer
611 views
The number of Pb atoms per unit cell
2 answers
2,943 views
Answers (13)
Final conc=(Initial volm 1.0mL*initial conc 0.1M)/(Final volm 10mL)= 0.01M Ans=0.01M
45g/36.5g/mol= 1.233mola*1000/1500= 0.822M
C1V1=C2V2 law can be applied because the ratio is 1:1
it is cool
F = MA F = qv*B ma = qvb a = qbv/m m = mass of electron q = charge of electron
Please display answer here
i know... a^2=b^2+c^2-2bc cos A but i didn't get the correct answer...which is 14 is it like a^2=20^2+14.5^2-2(20)(14.5) cos135
i know the answer...it is 197º40’ but i want to know how you get the answer... some one plz help... thanks
it is cosx thanks
Find the real zeros of f(x)=(x-1)^2 + 5(x-1)+4
some one help me with this question..plz.. Thank You.
i know when its paralle 1/Req= 1/R1 + 1/R2...
r is equal 1.25cm