MATHEMATICS MIDDLE SCHOOL

how would you write 77.7ovdrbar% as a decimal? Set that decimal equal to x. What digit or digits repeat

Answers

Answer 1

Answer:

Answer:

$0.777=0.\overline{7}$

Step-by-step explanation:

We are asked to write 77.7% as a decimal.

We know that percent means per hundred.

To write 77.7% as decimal, we will divide 77.7 by 100 as:

$77.7\%=(77.7)/(100)$

Move decimal to left by two digits.

$77.7\%=(77.7)/(100)=0.777$

Let us set 0.777 equal to x as:

$x=0.777$

We can see that our decimal has three 7 digits after decimal, therefore, 1 digit is repeating after decimal.

Answer 2

Answer: When changing a percent to a decimal move the decimal already there over 2 spaces to the left. So 77.7% would be .777 in decimal form.

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What is 3 square root -27/64

Answers

3 square root is called cube root btw:

cube root of -27/64 is the same as (cube root of -27)/(cube root of 64)

cube root of -27 is -3
cube root of 64 is 4

the anser is -3/4

What is the definition of constant of proportionality

Answers

Answer: Is the ratio between two directly proportional quantities

Answer:

Answer is the ratio between 2 directly proportional quantities

What are all the roots of x2-4x+29=0

Answers

To solve a quadratic equation in the form $ax^2+bx+c=0$ you can use the quadratic formula:

$x_(1,2) = (-b\pm√(b^2-4ac))/(2a)$

In your case, the equation $x^2-4x+29=0$ is identified by the coefficient choice $a=1,\ b=-4,\ c=29$ , so the solving formula becomes

$x_(1,2) = (4\pm√(16-116))/(2) = (4\pm√(-100))/(2)$

As you can see, we have a negative number under a square root, an operation impossible to perform using real numbers. So, this equation has no real solutions.

What is the proper way to work out this problem 4930x184

Answers

Using the lattice method i got 907,120

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