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4 years ago

How do you write 6/8 as a percentage?

Mathematics

2 answers:

Elanso [62]4 years ago

5 0

Multiply the answer by 100.

kykrilka [37]4 years ago

3 0

75%. 6 divided by 8 is .75, .75 as a percent is 75%.

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Create an exponential to describe $100 at 2% interest, compounded annually, for x years. y=100(.98)^x y=100(.8)^x y=100(1.2)^x y

zysi [14]

The exponential to describe $100 at 2% interest, compounded annually, for x years is $y=100(1.02)^{x}$

<h3>Solution:</h3>

Given that $ 100 at 2 % interest , compounded annually for "x" years

The formula for compound interest, including principal sum, is:

$A=P\left(1+\frac{r}{n}\right)^{n t}$

A = the future value of the investment/loan, including interest

P = the principal investment amount (the initial deposit or loan amount)

r = the annual interest rate (decimal)

n = the number of times that interest is compounded per unit t

t = the time the money is invested or borrowed for

Here in this sum,

P = $ 100

$r = 2 \% = \frac{2}{100} = 0.02$

number of years = x

Here given that compounded annually , so n = 1

Let "y" be the amount after "x" years

Substituting the values in formula we get,

$\begin{aligned}&y=100\left(1+\frac{0.02}{1}\right)^{1 \times x}\\\\&y=100(1+0.02)^{x}\\\\&y=100(1.02)^{x}\end{aligned}$

Thus the exponential to describe is $y=100(1.02)^{x}$

5 0

4 years ago

The verticles of triangle A are (-1,3) B (7,9) and C (15,-3) Find the coordinates of the intersection of the medians.

Annette [7]

Step-by-step explanation:

Coordinates of A≡(−1,3)

Coordinates of B≡(7,9)

Coordinates of C≡(15,-3)

The median through the vertex C will meet at the mid point of AB.

Coordinate of mid-point on AB=[(-1+7)/2 , (3+9)/2]= (3,6)

Now,

Length of median through vertex C= Distance between (15,-3) and (3,6)

Therefore,

Length of median = √(3-15)²+(6-(-3))²=√144+81=15unit

Hence the length of median through the vertx C is 15 units.

6 0

3 years ago

What is half of one hundred less six? A.50 B.106 C.44 D.48

hammer [34]

Answer:

Step-by-step explanation:

100/2 = 50. 50-6 = 44

4 0

3 years ago

Read 2 more answers

Find the equalivent exponential expression of (9^3)^4

kogti [31]

The rule is:

(a^b)^c=a^(b*c)

In this case:

(9^3)^4=9^(3*4)=9^12

and if you wanted it more simplified you could say:

9^12=(3^2)^12=3^(2*12)=3^24

5 0

4 years ago

What is the volume of the cube below?

jeka57 [31]

Answer:

D. 9h

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Geometry

Volume of a Cuboid Formula: V = a²h

a is the sides of the cube
h is the height

Step-by-step explanation:

Step 1: Define

Identify variables

a = 3

h = h

Step 2: Find Volume

Substitute in variables [Volume of a Cuboid Formula]: V = 3²h
Evaluate exponents: V = 9h

5 0

3 years ago

Read 2 more answers