Step-by-step explanation:
x + 
x + x - 1
—————————--------------
x
Simplify 
(((3 • (x3)) + 5x) - ) + 1
3.1 Subtracting a fraction from a whole
Rewrite the whole as a fraction using x as the denominator :
3x^3 + 5x (3x^3 + 5x) • x
3x^3 + 5x = ———————— = ——————————————
1 x
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
4.1 Pull out like factors :
+ 5x ![\frac{3x^3 + 5x}{1} = \frac{(3x^3 + 5x) [tex]3x^{3} + 5x = x • (3x^2 + 5)](https://tex.z-dn.net/?f=%5Cfrac%7B3x%5E3%20%2B%205x%7D%7B1%7D%20%20%3D%20%5Cfrac%7B%283x%5E3%20%2B%205x%29%20%5Btex%5D3x%5E%7B3%7D%20%20%2B%205x%20%3D%20x%20%E2%80%A2%20%283x%5E2%20%2B%205%29)
x}{x}[/tex]
5.1 Adding a whole to a fraction
Rewrite the whole as a fraction using x as the denominator :
1 1 • x
1 = — = —————
1 x
Answer:
The expression that matches the situation is 90.00 - 3x ⇒ 1st answer
Step-by-step explanation:
Let us solve the question
∵ You went to the mall with $90.00
→ That means the total money with you = $90.00
∴ The total money = 90.00 dollars
∵ You bought three shirts that cost x dollars each
∴ The cost of a shirt = $x
∴ The number of shirts = 3
→ Find the total cost of the three shirts
∴ The cost of the shirts = 3 × x
∴ The cost of the shirts = 3x dollars
∵ The money left = the total money - the cost of the shirts
→ Substitute the value of total money and the cost of the shirts
∴ The amount of money left = 90.00 - 3x
∴ You have left with 90.00 - 3x dollars
∴ The expression matches the situation is 90.00 - 3x dollars
Answer:
Its B. "x" is all real numbers. Happens in any case that the line is horizontal. Hope this helps!
Answer:
c
Step-by-step explanation:associative: a+(b+c)=(a+b)+c
commutative: a+b=b+a
distributive: a(b+c)=ab+ac
inverse: I think it is a times 1/a=1, doesn't matter
