Answer:
y=5x-78
Step-by-step explanation:
y=5x+b
first plug in -3 for y and 15 for x
-3=5(15)+b
-3=75+b
subtract 75 on both sides
-78=b
y=5x-78
Answer:
-100x^2+1730x+350 - Standard from
Perimeter=106ft
Area=448ft^2
Make sure you remember to subtract various values to find the length of missing sides.
Answer:
range of the test scores is 48
Step-by-step explanation:
60,72,94,108
108- 60=48
i. Line BD = 6√2 cm
ii. Perimeter = 3 (π + 4) cm
iii. Area = 18 ( π - 2) cm
<h3>How to determine the parameters</h3>
Let the length of BD = x
Since B is the midpoint of the arc AC, then ∠BOC = 15°
In ΔBDB
Let's use the trigonometric ration, tan
CD = x
Then, using the Pythagorean theorem
Thus, line BD is cm
ii. Perimeter = BC + BD + CD
= 2πr/8 + x + r - x
= π(12)/4 + r
= 3π + 12
= 3 ( π + 4) cm
iii. Area of shaded area = Area of BOC + Area of BOD
⇒ πr^2/8 × 1/2x^2
= π144/8 × 1/2(72)
= 18π - 36
= 18 ( π - 2) cm²
Learn more about quadrant of a circle here:
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