(x - 9)(x + 9) is your answer. This is called a difference of two squares.
<h2>
<em>Answer:</em></h2><h3>
<em>2</em><em>5</em><em>4</em><em>.</em><em>3</em><em>4</em><em> </em><em>m^</em><em>2</em></h3>
<em></em>
<em>Hope </em><em>it</em><em> helps</em><em>.</em><em>.</em><em>.</em>
<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>
Answer:
x > 9/5
Step-by-step explanation:
2/3 x - 1/5 > 1
15 × 2/3x - 15 × 1/5 > 15 × 1
10x - 3 > 15
10x > 18
x > 18/10
x > 9/5
Answer:
69 miles per hour
Step-by-step explanation:
Given
Trip to:
--- time
Trip back
Required
Determine the average speed to Johannesburg
Average speed is calculated as:
Make distance the subject
Since distance is constant, then:
This gives:
Open bracket
Collect like terms
Solve for s2
Recall that: