Alaska8
Alaska8
06-03-2018
Mathematics
contestada
Pleaseeee
how can I do it??
Respuesta :
Banabanana
Banabanana
06-03-2018
[tex]7^x+49^{ \frac{x}{2} }=2\cdot \sqrt[5]{343} \\ \\ 7^x+(7^2)^{ \frac{x}{2} }=2\cdot \sqrt[5]{7^3} \\ \\7^x+ 7^x=2\cdot 7^{ \frac{3}{5} } \\\\ 2 \cdot 7^x=2\cdot 7^{ \frac{3}{5} } \ \ \ | \div2 \\ \\ 7^x=7^{ \frac{3}{5} } \\ \\ x= \frac{3}{5} [/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
The normal human heart has how many chambers? A. two B. six C. four D. three
The opposite angles of a rhombus are equal. TrueFalse
Mike wants to make meatloaf. His recipe uses 7lbs of meat. If he uses a 3 to 1 ratio of beef to pork, how much pork will je use? enter your answer as a mixed nu
Density equals: weight/area weight/volume mass/weight mass/volume
This natural resource is present in large amounts in Britain, France, and Germany. A -iron B -coal C -oil D -natural gas
Find the sum and choose the correct answer. 2n 3 + 4n 2 - 7 and -n 3 - 8n - 2 -n3 + 4n2 - 8n - 9 n3 + 4n2 - 8n - 9 n3 + 4n2 - 8n - 5 n3 - 4n2 -9
The measure of Angle B is 68° what is the measure of it supplementary angle a. 22° b. 90° c. 112° d.180°
Evaluate. 103 • [12 ÷ (10 – 4 • 2)] + 3
Owning your business allows you the freedom to
The total of 42, 75, 189, 301, and 728 is A. 1,533. B. 1,297. C. 1,335. D. 2,301.