Steven544
Steven544 Steven544
  • 11-08-2021
  • Mathematics
contestada

The sum of a number and 3 times the number is 28

Respuesta :

rthomas111 rthomas111
  • 11-08-2021
x + 3x = 28
4x = 28
x = 7
Answer Link

Otras preguntas

Suppose United Bank offers to lend you $10,000 for one year at a nominal annual rate of 8.00%, but you must make interest payments at the end of each quarter an
The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m) to its volume (v). density= mass/volume d=m/V Con
Give the number of protons, electrons, and neutrons in neutral atoms of each of the following isotopes: (a) 10,5 B (b) 199,80 Hg (c) 63,29 Cu (d) 13,6 C (e) 77,
What is an iconic bond
You measure the weight of 49 backpacks, and find they have a mean weight of 67 ounces. Assume the population standard deviation is 8.8 ounces?. Based on this, w
a. A vector is any element of a vector space. Is this statement true or​ false? A. True by the definition of a vector space B. ​False; not all vectors are ele
A stone fell from the top of a cliff into the ocean. In the air, it had an average speed of 16 m/s. In the water, it had an average speed of 3 m/s before hittin
√8+2√8+2√8+2√8+2√8+.......∞ is equal to
Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen differ.
Compare the properties of the following: α particles, cathode rays, protons, neutrons, and electrons.