Answer:
C. 0.57 radians.
B. 13.97 ft^2.
Step-by-step explanation:
Length of the arc = radius * c where c = angle in radians.
4 = 7 * c
c = 4/7 = 0.57 radians
Area of the sector = 1/2 * c * r^2 where r = radius.
= 1/2 * 0.57 * 7^2
= 13.97 ft^2.
Answer:
y = 2x + 6
Step-by-step explanation:
y = mx + n
m = slope = 2
y = 2x + n
Plugging in x=-1 and y =4 gives:
4 = 2*(-1) + n <=> 4 = -2 + n <=> n = 6.
So y = 2x + 6.
Answer:2x^6 - 3x^5 - 13x^4 + 20x^3 + 12x^2 - 16x
Step-by-step explanation:
Length of garden is 26cm and width is 18cm.
Step-by-step explanation:
Given,
Area = 468 Square feet
Let l be the length and w be the width.
According to statement;
w = l - 8 Eqn 1
Area = w*l = 468 Eqn 2
Putting Eqn 1 in Eqn 2
Solving the equation by factorization;
Either,
l+18=0 => l= -18
Or,
l-26=0 => l=26
As length cannot be negative, therefore,
l=26cm
w=
w=18cm
Length of garden is 26cm and width is 18cm.
Keywords: Rectangle, area
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