<span>X+(X+2)=32
2X+2=32
2X=32-2
2X=30
X=30/2
X=15 ANSWER FOR THE FIRST ODD NUMBER.
15+2=17 FOR THE OTHER ODD NUMBER.
15*17=255 ANSWER FOR THE PRODUCT OF THESE 2 ODD NUMBERS.</span>
Answer: Area = 6m²
Smaller number = 16
Hours = 9.6 h
Step-by-step explanation:
A rectangle is 5 meters longer than its width. If the length is shortened by 2 meters and width is increased by 1 meter, the area remains the same. Find the area of the rectangle.
1) w = x m 2) w = x + 1 m
l = x + 5 m l = x + 5 - 2 = x + 3 m
A₁ = A₂
A = w*l
A₁ = x(x+5) = x² + 5x
A₂ = (x+1)(x+2) = x² + x + 2x + 2 = x² + 3x + 2
A₁ = A₂
x² + 5x = x² + 3x + 2
5x - 3x = 2
2x = 2
x = 1
A₁ = x(x+5) = 1.6 = 6 m²
The ratio of two numbers is 2:5. If the larger number is 40, what is the smaller number.
<u> 2 </u> = <u> x </u>
5 40
5x = 80
x = 80/5 = 16
Sixteen construction workers can finish cementing a floor of a building in 3 hours. On a certain day, only 5 construction workers are available for the job. How long will it take the 5 construction workers to do the cementing job?
workers hours
16 3
5 x
↑ ↓ inversely proportional
<u> 5 </u> = <u> 3 </u>
16 x
5x = 16*3
5x = 48
x = 48/5
x = 9.6 h
Answer:
18
Step-by-step explanation:
Dimension of piece of wood = 3 ft
Dimension of piece of wood used for one statue = ft
To find:
Number of statues that can be made from all the wood ?
Solution:
To find the total number of statues that can be carved from the given piece of wood, we need to divide the dimensions of given piece of wood with the piece required to carve one statue.
<em>Formula:</em>
Number of statues that can be made:
Therefore, <em>18</em> number of statues can be made.
A is correct
All the other ones are false and if you plug in 3 in the equation, 3(3+9) = 15