Step-by-step explanation:
A= 3.14 × 22^2
A = 1519.78 m^2
Answer:
Step-by-step explanation:
x^2 - 9x - 70
we need to find two numbers whose sum is -9 and product id -17
The numbers are -14 and 5
By splitting the middle term,
x^2 - 14x + 5x - 70
= x ( x - 14 ) + 5 ( x - 14 )
( x + 5 ) ( x - 14 )
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Answer:
f(2) = 19
Step-by-step explanation:
2(3²) + 1 = 2(9) + 1 = 19
Step-by-step explanation:
Given that
∆ABC is a right angled triangle
angle B = 90°
BC = 50 units
Hypotenuse (H) = AC
AC = 100 units
We know that
Cos A = Adjacent side to angle A / Hypotenuse
→Cos x = BC / AC
→Cos x = 50/100
→Cos x = 1/2
→Cos x = Cos 60°
.°. x = 60°
Hence, the value of “x” is 60°
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Answer:
Step-by-step explanation:
The area of a rectangle can be calculated with this formula:
Where "l" is the length and "w" is the width.
You can identify from the figure that the length and the width of this rectangle are:
Then, you need to substitute this lenght and this width into :
Now, apply Distributive property:
Finally, you need to add the like terms. Then, you get: