Answer:
84cm^2
Step-By-Step Explanation:
Two triangles' area: 4×3÷2x2 = 12cm^2
The widest rectangle's area: 5×6 = 30cm^2
The rectangle facing the left's area: 4×6 = 24cm^2
The rectangle facing the ground's area: 3×6 = 18cm^2
Total Surface Area: 12+30+24+18 = 84cm^2
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Answer:
A=πr2=π·22≈12.56637cm²
the answer is 12.57cm squared.
Step-by-step explanation:
The slope-point form of line:
We have the points (-9, 7) and (6, 2). Substitute:
The slope-intercept form of line:
.
We have the slope m:
Pu the coordinates of the point (6, 2) to the equation:
<em>add 2 to both sides</em>
Answer:
The answer is 120 feet.
Step-by-step explanation:
The area of the field (A) is:
A = w · l (w - width, l - length)
It is known:
A = 12,000 ft²
l = w - 20
So, let's replace this in the formula for the area of the field:
12,000 = w · (w - 20)
12,000 = w² - 20
⇒ w² - 20w - 12,000 = 0
This is quadratic equation. Based on the quadratic formula:
ax² + bx + c = 0 ⇒
In the equation w² - 20w - 12,000 = 0, a = 1, b = -20, c = -12000
Thus:
So, width w can be either
or
Since, the width cannot be a negative number, the width of the field is 120 feet.
Answer:
-1/8 < 0.33 < 3/8 < 75% < 1 5/8
