All categories

3 years ago

Sara invests ?9600 at a simple interest rate of 8% per year. Work out the value of the investment after 3 years

1 answer:

5 0

$ 11,904

The formula is A = Prt to find the amount of simple interest earned.

P = principal or original amount of investment
r = rate of interest (in decimal form)
t = time in terms of years

A = (9600)(.08)(3)
A = $ 2304

$9600 + $2304 = $11,904

You might be interested in

The round wading pool at the Greenville Community Center has a diameter of 8 feet. What is the pool's circumference? use 3.14 fo

HACTEHA [7]

The circumference of pool is 25.12 feet

Solution:

Given that round wading pool at the Greenville Community Center has a diameter of 8 feet

Therefore,

Diameter = 8 feet

We know that,

$Radius = \frac{diameter}{2}\\\\Radius = \frac{8}{2}\\\\Radius = 4$

Thus radius is 4 feet

The circumference of circle is given by formula:

$C = 2 \pi r$

Where, "r" is the radius of circle

Substitute r = 4

$C = 2 \times 3.14 \times 4\\\\C = 25.12$

Thus circumference of pool is 25.12 feet

7 0

3 years ago

4. Determine all unknown sides and angles to 1 decimal place.

Ksju [112]

Answer:

The unknown sides are 60.81cm and 51.57cm while the unknown angle is 58degrees

Step-by-step explanation:

4a) Given the following

Opposite side = 38cm (side facing the given angle)

Required

Adjacent and hypotenuse side

According to SOH CAH TOA

$tan \theta = \frac{opp}{hyp}\\tan 32=\frac{38}{hyp}\\hyp=\frac{38}{tan 32}\\hyp=\frac{38}{0.6249}\\hyp= 60.81cm$

Next is to get the adjacent

$Cos 32=\frac{adj}{60.81}\\adj=60.81cos32\\adj=60.81(0.8480)\\adj= 51.57cm$

Next is to get the missing

Since sum of angle in the triangle is 180degrees

32 + 90 + x = 180

122 + x = 180

x = 180 - 122

x = 58degrees

7 0

3 years ago

PLEASE HELP AND SHOW WORK!!

aivan3 [116]

> multiply the second equation by 2 and add it to the first equation.
2(-6x - 7y = -10)
-12x -14y = -20

8x + 14y = 4
-12x - 14y = -20
--------------------
- 4x + 0 = - 16
x = -16/-4
x = 4

> use x = 4 in either equation to find y
8(4) + 14y = 4
32 + 14y = 4
14y = 4 - 32
14y = -28
y = -28/14
y = -2

5 0

3 years ago

Read 2 more answers

Can anyone help ? I need to answer it for my homework today

Rus_ich [418]

Robot 1- W = 20(3m) W= 60Nm
Robot 2- W= 30N (3m), W = 90Nm
Robot 3- W= 10N(2m), W= 20Nm
Robot 4- W= 30N(2m), W= 60Nm

Robot 2 did the most work, Robot 3 did the least amount of work and Robots, 1 and 4 did an equal amount of work

5 0

4 years ago

Jim’s dog weighs 18 pounds 10 ounces. His cat weighs 6 pounds 3 ounces. How many more ounces does Jim’s dog weigh than his cat?

JulijaS [17]

The dog weighs 99 ounces more than the cat. you just have to convert to ounces then subtract.

5 0

4 years ago

Read 2 more answers