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3 years ago

PLEASE HELP! What does it mean to solve for a variable when the solution is not a number?

2 answers:

7 0

A variable is represented by a letter. It is put an equation because it’s unknown information that you need to solve for.

Does that help?

ziro4ka [17]3 years ago

3 0

Answer:

It might help you if you knew what variable was.

A variable can be (x) or (y) or anything really it just a letter the represents a number.

In this case, when it says solve for a variable it means find what the variable equals. For example:

4x + 18 = 2

here you need to find the value of X.

x = -5

X equals negative 5 because you multiply the variable to the number:

4 x -5 = -20

-20 + 18 = 2

making the answer:

4(-5) + 18 = 2

x = -5

(hope this helps)

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What is the value of x if 5x + 45 = 35?

allochka39001 [22]

Answer:

The answer is x = -2

Step-by-step explanation:

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2 years ago

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Solve the inequality:<br> 3(k + 2) -3 < 15

grin007 [14]

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

k < 4

Interval Notation:

(−∞, 4)

6 0

3 years ago

I WILL MARK BRAINLIEST

vekshin1

Hello!

You can use the Pythagorean Theorem

$a^{2} + b^{2} = c^{2}$

c is the hypotenuse which is the side across the right angle
a and b are the other sides

Put in the values you know

$a^{2} + 5^{2} = 12^{2}$

Square the numbers

$a^{2} + 25 = 144$

Subtract 25 from both sides

$a^{2} = 119$

Take the square root of both sides

a = 10.9

The answer is D) 10.9 centimeters

Hope this helps!

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2 years ago

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Decide whether each table could represent a proportional relationship. If the

Ymorist [56]

Answer:

Step-by-step explanation:

If given tables in the picture show the proportional relationship,

Number of wheels (w) ∝ Number of buses (b)

w ∝ b

w = kb

Here, k = proportionality constant