jcislit69 jcislit69
  • 15-06-2022
  • Mathematics
contestada

R is the midpoint of QS. If QR = 7x and QS = 15x − 7, what is QR?

Respuesta :

Medunno13
Medunno13 Medunno13
  • 26-06-2022

Answer: 49

Step-by-step explanation:

If R is the midpoint of QS, QS=2(QR)=2(RS).

[tex]15x-7=2(7x)\\15x-7=14x\\-7=-x\\\\x=7\\\\QR=7(7)=\boxed{49}[/tex]

Answer Link

Otras preguntas

Smitty's is a bait and tackle shop near Lake of the Ozarks, Missouri, owned by Red Smith. Smitty's has a website, www.smittys. Smitty's Bait Shop is located in
When the difference in redox potential between two molecules is highly positive, what is true of the transfer of electrons between them?
A researcher is attempting to isolate rough ER microsomes using ultracentrifugation (Note: microsomes are fragments of the ER which result from the cell homogen
284 7.6 km 6.7 km Solve the triangle
_____ is the former term for what is now called "autism spectrum disorder without language or intellectual impairment."
A particle of given mass m 1kg, and charge q1 Couloumb, is placed in a magnetic field B 1k Tesla and thus is subjected to the effects of the Lorentz force. The
A helicopter has blades of length 4.0 m rotating at 3.0 rev/s in a horizontal plane.If the vertical component of the Earth’s magnetic field is 6.5 105T,what is
what is meaning of "llámame papi"?
a car has a mass of 8000kg and a kinetic energy of 24,000j. What is the speed?
what is the value of x in the equation 2(x-3)+9=3(x+1)+x ?a. x = -3b. x = -1c. x = 0d. x = 3​