darcyedson darcyedson
  • 13-01-2021
  • Mathematics
contestada

To solve 5/7 - 2/n = 1/21

Respuesta :

nosiphomgaga925 nosiphomgaga925
  • 17-08-2022

Answer:

-2/n=1/21-5/7

-2/n= -2/3

cross multiple

-2×3=n×-2

-6/-2=-2n/-2

n=3

Answer Link

Otras preguntas

Which of the following statements supports the one gene-one enzyme hypothesis? A) A mutation in a single gene can result in a defective protein. B) Sickle-cell
A house painter uses the chair-and-pulley arrangement of (Figure 1) to lift himself up the side of a house. The painter's mass is 55 kg and the chair's mass is
Why is it likely that MOST speciation is allopatric?Because disruptive selection between forms of traits in sympatric populations is always very strong.Because
Write an equation of the line that is perpendicular to y = 1 2 x + 3 and passes through the point (10, -5). A) y = -2x + 15 B) y = 2x - 15 C) y = -2x - 5 D
Suppose the test scores of students in a class distributed with a mean of 92 and standard deviation of 3
If you know that 4 of an item costs a certain amount, and you want to find out how much one costs, which operation will you use? A) addition B) division Elimi
HELP ME WITH THESE PLEASE
Identify the number of moles in 369 grams of calcium hydroxide. Use the periodic table and the polyatomic ion resource.
I need help with this... geometry and circles
Fill in the blank with the correct METHOD OF TRANSPORTATION. No tengo un coche, por eso voy a la librería a ______. (2 points)