MATHEMATICS HIGH SCHOOL

Whats 2+2 User: whats 2.3 in a fraction

Answers

Answer 1
Answer: 2 + 2 = 4.

2.3 * (10)/(10) =\boxed{\bf{(23)/(10) =2(3)/(10)}}
Answer 2
Answer:

Answer:

2+2 equals 4 and 2.3 as  fraction would be 23/10 or 2 3/10

Step-by-step explanation:

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In which line is a mistake first made when solving the following system of equations by elimination for x? 5x + 3y = 12 4x - 5y = 17Line 1
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25x + 15y = 60
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x = 29/9

Answers

- in the second line bc. the second equation we need multiplie just by 3 and ot by 5 
- so there above was multiplied by 5 and so than 5*(-5y) not equal -15y so this is equal -25y 

Easy - lots of points!!
For the function f defined by f(x) = 2x^2 – 3x, evaluate: f(x+3)

Answers

Answer:

2x² + 9x + 9

Step-by-step explanation:

To evaluate f(x + 3) substitute x = x + 3 into f(x), that is

f(x + 3) = 2(x + 3)² - 3(x + 3) ← expand (x + 3)² using FOIL

            = 2(x² + 6x + 9) - 3(x + 3) ← distribute both parenthesis

           = 2x² + 12x + 18 - 3x - 9 ← collect like terms

            = 2x² + 9x + 9
Answer: f(5) = 14 should be the answer

Sammy pays 30$ for a bag that she buys at discount for 50% what is the price without the discount

Answers

It's just 50%off so all you do is 30 ×2 to get the original price so 30×2=60

Las fracciones que tienen denominador 10, 100, 1000, etc las llamamos fracciones decimales y a su vez las podemos escribir como nummeros decimales 1) encierro las fracciones decimales con color 21/10; 43/8 ;31/12 ;439/100 ;34/10 ;84/7 , 35/1000 ;28/15 ;851/1000

Answers

Answer:

las fracciones decimales son:

21/10 = 2,1

439/100 = 4,39

34/10 = 3,4

35/1000 = 0,035

851 / 1000 = 0,851

Step-by-step explanation:

Toda fraccion cuyo denominador (el numero de abajo) es multiplo de 10 es considerada una fraccion decimal. No importa si el numerador es mayor al denominador. Justamente el sistema decimal fue concebido para facilitar la multiplicacion y division de los numeros por algun multiplo de 10.

Real numbers that you cannot represent as a quotient of two integers are ? numbers

Answers

Answer: The set of numbers that cannot be represented as the quotient of two integers are the irrational numbers

which are neverending where the numbers after the decimal point don't repeat (there isn't a subsequence of digits that repeats, like in the number 3.33...) , then the irrational numbers of the form 1.31234.... and cannot be represented as the quotient of two integers.
Real numbers that you cannot represent as a quotient of two integers are irrational numbers.

What is the probability of rolling a product of 30 when rolling 2 six sided number cubes?

Answers

The only two dice you can roll and multiply to get 30 are a five and a six. Thus, you get (2)/(36)
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