Is 5x a numerical expression or a Algebraic Expression?

2 answers:

6 0

It's an algebraic expression. "x" is a variable and 5 is a constant.

An algebraic expression is a phrase used in math that contains numbers and variables. ( Such as x, or y) It also has operators. ( Multiply, Divide, Add, Subtract.)

A numerical expression is a sentence in math that uses only numbers and operation symbols.

Hope this helps!
~ 231agoad

MArishka [77]3 years ago

3 0

5x is an algebraic expression because it contains a constant (5) and a variable (x)

You might be interested in

Two trains arrived at a station at 2:55 p.m., with one arriving on track a, and the other arriving on track

Sladkaya [172]

In 144 minutes, or at 5:19 pm, the trains will arrive at the same time again.

3 0

3 years ago

Read 2 more answers

Please can you help me I don't understand

Alexxx [7]

I will show you how to do the first one.....we are finding the GCF...the largest number that goes into each number (same for variables)

1.) 20yx , 80x³ ( factor each number and variable)

20 = 2, 4, 5, 10, 20
y = y
x = x
80 = 2, 4, 5, 8, 10, 16, 20, 40, 80
x³ = x, x, x

what is the largest number that 20 and 80 have in common? 20...
how about the variables? x

so, the Greatest Common Factor (GCF is 20x)

8 0

3 years ago

Ann is adding water to a swimming pool at a constant rate. The table below shows the amount of water in the pool after different

N76 [4]

Answer:

(a) As time increases, the amount of water in the pool increases.

11 gallons per minute

(b) 65 gallons

Step-by-step explanation:

From inspection of the table, we can see that as time increases, the amount of water in the pool increases.

We are told that Ann adds water at a constant rate. Therefore, this can be modeled as a linear function.

The rate at which the water is increasing is the rate of change (which is also the slope of a linear function).

Choose 2 ordered pairs from the table:

$\textsf{let}\:(x_1,y_1)=(8, 153)$

$\textsf{let}\:(x_2,y_2)=(12,197)$

Input these into the slope formula:

$\textsf{slope}\:(m)=\dfrac{y_2-y_1}{x_2-x_1}=\dfrac{197-153}{12-8}=\dfrac{44}{4}=11$

Therefore, the rate at which the water in the pool is increasing is:

11 gallons per minute

To find the amount of water that was already in the pool when Ann started adding water, we need to create a linear equation using the found slope and one of the ordered pairs with the point-slope formula:

$y-y_1=m(x-x_1)$