Seudónimo Seudónimo

03-02-2017
Mathematics

contestada

You put $400 in an account. The account earns $18 simple interest in 9 months. What is the annual interest rate?

Respuesta :

apologiabiology apologiabiology

03-02-2017

I=PRT
Interest=Principal times Rate time Time
time is in years and rate is in decimal

I=18
P=400
T= 9/12=3/4=0.75
R=?

18=400*R*0.75
18=300*R
divide both sides by 300
0.06=R

rate is 6%

Answer Link

Otras preguntas

C) 75% of X is 12 What is 100% of X?

Find the area of the figure. (Sides meet at right angles.)

Can someone name and describe one pollution control - practice meant to help solve pollution problems??

A jewelry store is featuring a diamond in the shape of a square pyramid. The side length of the diamond is 8 millimeters and the slant height is 6 millimeters.

This is Kristy's recipe for breakfast cereal. 50 grams of oats, 30 grams of raisins, 40 grams of nuts, If she uses 40 grams of oat, how many grams of raisins do

A rectangle has a length of 8ft and a width of 4ft, what is the area of the rectangle in square feet?

3x 2 + 7x - 5 name the terms

Can I get some help plz???

Help pls quick! pls and ty

After World War II, Stalin said that the Soviet Union needed a “buffer zone” to protect it from attack. This idea resulted in the USSR expanding its control int