Answer:
A. x = 15
Step-by-step explanation:
2x + 3 * (x - 10) = 45
2x + 3x - 30 = 45
5x - 30 = 45
5x = 75
x = 15
Answer:
<h2>7x² + 9x + 90</h2>
Step-by-step explanation:
(7x + 9)x + 90 <em>use the distributive property </em><em>a(b + c) = ab + ac</em>
= (7x)(x) + (9)(x) + 90
=7x² + 9x + 90
Answer:
1/2
Step-by-step explanation:
The equal distance between 0 and 1 must be one-half or 1/2.
try asking the teacher if you could get some help Step-by-step explanation:
Let , side lawn is a.
Area of boundary is :

Now, total cost is given by :

Area left is :

Price to empty space with turfs is :

Therefore, the cost of covering the empty space with turfs at the rate of Rs 20 per sq. metre is Rs 262500.
Hence, this is the required solution.