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3 years ago

In what ways is it useful to develop an algorithm for adding and subtracting rational numbers?

Mathematics

2 answers:

Julli [10]3 years ago

7 0

Answer:

because why not

Step-by-step explanation:

allochka39001 [22]3 years ago

7 0

Answer:

We will cover Addition and Subtraction in one go, as they are the same method. Before we add or subtract, the rational numbers should have the same bottom number (called a Common Denominator).

Step-by-step explanation:

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Are the expressions 3/4a + 8 - 1/4a - 2 and 1/2(a + 12) equivalent? Show why or why not.

natta225 [31]

Answer:Yes they are equivalent.

Step-by-step explanation:

3/4a + 8 - 1/4a - 2 1/2(a + 12)

Combine like terms Distributive property

2/4a+6 1/2a+6

2/4=1/2 (simplify)

1/2+6=1/2+6

4 0

3 years ago

3/7 converted into a decimal rounded to the nearest thousand

nadya68 [22]

3/7≈0.429
I hope it will help you

6 0

3 years ago

Find the LCM of the numbers.<br> 3,16,20

KengaRu [80]

Answer:

240

Step-by-step explanation:

find multiples of 3 16 and 20 and multiply the multiples . you will get 240 .

i hop it helps you ❤

3 0

2 years ago

The function f(x) varies inversely with x and f(x)=8 when x=3

Sedaia [141]

Answer:

$12$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form $y*x=k$ or $y=k/x$

In this problem we have

For $x=3$ -----> $f(x)=8$

Find the value of k

$f(x)*x=k$

substitute the value of x and f(x)

$8*3=k$

$k=24$

therefore

the equation is equal to

$f(x)=24/x$

For $x=2$ -------> substitute in the equation and find the value of f(x)

$f(x)=24/2=12$

6 0

3 years ago

Read 2 more answers

State the gradients and the y intercepts of y=2x+6

LekaFEV [45]

Answer:

y-intercept: Put x = 0 in the equation y = 2x - 6 and solve for x. The y-intercept is -6.

6 0

3 years ago