MATHEMATICS HIGH SCHOOL

Is the decimal 4.05 equivalent to the fraction
$(401)/(99)$

Answers

Answer 1

Answer:

Answer:

No, 81/20 or 4 1/20

Step-by-step explanation:

Step 1:

4.05 = 405% Convert

Step 2:

405% = 405/100 Convert

Answer:

81/20 or 4 1/20 Simplify

Hope This Helps :)

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What is 9/10 - 3/10 in simplest form?
Six more than fives times a number (x) is at least 21. I need an inequality.

What is the answer to this?

Answers

Answer:

-3

Step-by-step explanation:

Step 1: Define

∛(-b² + a)

a = -2

b = 5

Step 2: Substitute

∛[-(5)² + (-2)]

Step 3: Evaluate

∛(-25 - 2)

∛-27

-3

Two cars leave Denver at the same time and travel in opposite directions. One car travels 10 mi/h faster than the other car. The cars are 500 mi apart in 5 h. How fast is each car traveling?

Answers

The speed of one car is 'S'. The speed of the other car is (S + 10).

In 5 hours, the first car travels (5S) miles, and the other car travels 5(S + 10) miles.

Since they're going in opposite directions, the distance between them at any time
is the sum of the distance that each one has traveled.

500 = (5S) + 5(S + 10)

500 = 5S + 5S + 50

500 = 10S + 50

Subtract 50 from each side:

450 = 10S

Divide each side by 10

S = 45

S + 10 = 55

Let one car travel at x mph

The other car travels at x+10 mph

Their combined speed is 2x+10 mph.

Distance = 500

time = 500 /2x+10 =5

10x+50=500

10x= 450

x=45 speed of one car

The other car travels at 45+10 = 55 mph

Find the surface area of the prism

Answers

surface area of one face = 9x9 = 81
total no. of faces = 6
total surface area of prism = 81 x 6 = 486in.

Which statement justifies that 3x^2 − x − 5 multiplied by 2x^2 − x − 3 obeys the closure property of multiplication?The result 6x^4 + x^2 + 15 has a degree of 4.
The result 6x^4 + x^2 + 15 is a trinomial.
The result 6x^4 − 5x^3 − 18x^2 + 8x + 15 is a polynomial.
The result 6x^4 − 5x^3 − 18x ^2 + 8x + 15 has a degree of 4.

Answers

(3x² - x - 5)(2x² - x - 3)

3x²(2x² - x - 3) -x(2x² - x - 3) - 5(2x² - x - 3)

6x⁴ - 3x³ - 9x² - 2x³ + x² + 3x - 10x² + 5x + 15
6x⁴ - 3x³ - 2x³ - 9x² + x² - 10x² + 3x + 5x + 15
6x⁴ - 5x³ - 18x² + 8x + 15

The result 6x^4 − 5x^3 − 18x^2 + 8x + 15 is a polynomial.

How many factor of 12?