candybucks956 candybucks956
  • 18-07-2020
  • Mathematics
contestada

Can someone help me with this question, please?

Can someone help me with this question please class=
Can someone help me with this question please class=

Respuesta :

FaridRjb
FaridRjb FaridRjb
  • 18-07-2020

The answer to the first question:

[tex]\frac{28/100}{72/100}=\frac{7}{18}=\frac{7}{n}\\ n=18[/tex]

The answer to the second question:

[tex]a_{n}=a_{1}+d(n-1)\\d=a_{2}-a_{1}\\\\d=9\\a_{1}=11\\a_{n}=11+9(n-1)[/tex]

Answer Link

Otras preguntas

Why is a uranium isotope often used rather the 14C in radiometric dating to determine the age of Earth?
Angle kl bisects angle vkw. Classify angle vkw if measure of angle lkw is 25°
The atomic mass of an element is 32.07 u and its atomic number is 16. The element forms a simple ion. The ion will most likely have a charge of (A) 1– (B) 2–
Jessica is making 2 loaves of banana bread. She needs 3/4 cup of sugar for each loaf. Her measuring cup can only hold 1/4 cup of sugar. How many times will Jess
49.5 is what percent of 33?
what makes volcanoes violent?
What is the solution to the proportion?    A.
how do you convert 3 1/2 to fraction notation also 9 7/8
What is the correct order of stages in the life cycle of a salamander? A. egg --> pupa --> adult                      B. tadpole --> larva --> adult
the  expression lod3 (8-x) is defined for all values of x such as