X=rt-9 There you go! there your answer
t-9<span />
Answer:
the last one
Step-by-step explanation:
Answer: Option (A)
Step-by-step explanation:
Let the original price of the clock be "x
"
<em>The clock is then resold to a collector = x + 20% of "x
"</em>
<em>= x + 0.2x</em>
<em>= 1.2x</em>
Now, the shop re-buy the clock at a price = <em>
</em>
<em>
</em>
<em>= 0.6x
</em>
Therefore,
<em>Original Cost - Buy-Back price = $100</em>
<em>⇒ x - 0.6x = 100</em>
<em>⇒ x = 250 </em>
Hence , the selling price of the clock for the second time is
<em>
</em>
<em>= $270
</em>
<em></em>
Answer:
x = - 9, x = 10
Step-by-step explanation:
Given
x² - x - 90 = 0
Consider the factors of the constant term (- 90) which sum to give the coefficient of the x- term (- 1)
The factors are - 10 and + 9, since
- 10 × 9 = - 90 and - 10 + 9 = - 1 , thus
(x - 10)(x + 9) = 0 ← in factored form
Equate each factor to zero and solve for x
x - 10 = 0 ⇒ x = 10
x + 9 = 0 ⇒ x = - 9
lesser x = - 9
greater x = 10
Answer:
Step-by-step explanation:
x=50 hope it hleps