velma invested $5400 in a savings account with a yearly interest rate of 4% for 7 years. How much simple interest did she earn?

Mathematics

2 answers:

madam [21]3 years ago

8 0

Answer: Simple interest = $1512

Step-by-step explanation:

Given: The principle amount (P)=$5400

The rate of interest (r)= 4%=0.04

Time (t)= 7 years

The formula to calculate the simple interest is given by :-

$S.I.=Prt\\\\\Rightarrow\ S.I.=\$5400\times0.04\times7\\\\\Rightarrow\ S.I.=\$1512$

Therefore, the simple interest earned by Velma = $1525

Yanka [14]3 years ago

5 0

5400*0.04(rate)=216

Because it's simple interest for 7 years, 216*7 should be the answer

So $1512

You might be interested in

Will give brainliest

mariarad [96]

Answer:

8/27

Step-by-step explanation:

6 0

2 years ago

Given g (x) = -x + 3, find g(1)

Salsk061 [2.6K]

Answer:

Step-by-step explanation:

g (x) = -x + 3

g(1) = -(1) + 3

= 2

Hope this helped! If so, plz mark brainliest.

5 0

3 years ago

I need help on khan academy and I’m willing to pay half right when you start the work and when you finish all the work I’ll pay

harina [27]

Answer:

$x\approx 50^\circ$

Step-by-step explanation:

$c^2 = a^2 + b^2 - 2ab(cos(C))$

See the figure below to get the values as:

$7^2=7^2+9^2-2\left(7\right)\left(9\right)cos\left(x\right)\\\\cos(x)=\frac{7^2+9^2-7^2}{2\cdot \:7\cdot \:9}\\\\x\approx 50^\circ$

There are multiple concepts to solve this problem. This is one of the concept used in high school. Other concept to solve this problem is to use the concept of isosceles triangle. An isosceles triangle is a triangle with (at least) two equal sides. The angles shared by the two equal sides are also equal. So that the sum of all the three angles will add up to 180.

$x+x+80=180\\\\2x=100\\\\x=50^{\circ}$