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Alexxx [7]
2 years ago
11

To solve an equation what do you use to isolate the variable?

Mathematics
1 answer:
IgorLugansk [536]2 years ago
3 0
Yes like this pic° show everything

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A parking garage in the city charges $2.75 for the first hour and S1 25 for each additional hour or part thereof. What is the ma
Korolek [52]

Answer: The first hour is free, and the rest charges is $2.50

Let x be the time.

Let y be the total

Your equation will look like

When x < 2, y = 0

When x > 1, y = $2.50(x)

So:

1 < x < ∞ for hours, then equation will look like:

y = total amount

$2.50 is cost (remember that the first hour is for free, and so you subtract $2.50 from the total.

$2.50x - $2.50 = y should be your equation.

hope this helps

Step-by-step explanation:

7 0
3 years ago
Sam's track coach stands at the center of a circular track timing Sam's run. Which graph shows Sam's relative distance from the
timofeeve [1]
It shows the distance between him and the coach getting the “motion” of his running time. It’s like the circle with the line in the middle...
4 0
3 years ago
HELP ME PLEASE!!! I DON'T UNDERSTAND!
Rama09 [41]

Answer: 12

Step-by-step explanation:

this is a right angled triangle so you use the pythagorean theory

which is a^2 + b^2 = c^2

you have c and b already. c is the hypotenuse.

a^2 + 16^2 = 20^2

a^2 + 256 = 400

a^2 = 400 - 256

a^2 = 144

then you square root 144 and get..

a = 12

3 0
3 years ago
Read 2 more answers
Charlotte has 85 stickers. Her brother has x times more stickers than her. Write
sergiy2304 [10]

Step-by-step explanation:

Her brother has 85 * x stickers.

8 0
2 years ago
What value of x is in the solution set of 3(x – 4) &gt; 5x + 2?
bonufazy [111]

We have to simplify and get the value of x from this inequality given:

Given inequality,

3(x - 4) > 5x + 2

Now let's simplify by using distributive property,

3x - 12 > 5x + 2

We need to find x, so let's isolate x to the letter side of the inequality for calculation at ease.

3x - 12 - 5x  - 2 > 0

- 2x - 14 > 0

Now, dividing -2 from both sides.

Note : As we are dividing a negative number from both sides, the sign of the inequality will be <u>reversed</u>.

\dfrac{ - 2x - 14}{ - 2}  >  \dfrac{0}{ - 2}

x + 7 < 0

Now subtracting -7 from both sides,

x + 7 - 7 < 0 - 7

x <  - 7

Or, Interval of the equal (- \infin, -7 ]

#CarryOnLearning

<u>━━━━━━━━━━━━━━━━━━━━</u>

3 0
2 years ago
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