Answer:
<u>x = 8</u>
Step-by-step explanation:
See the attached figure.
As shown:
ABCD is a kite,
BC = 2x - 5
DC = x + 3
one of the properties of the kite is BC = DC
So, 2x - 5 = x + 3
Solve for x, Combine like terms
∴ 2x - x = 3 + 5
∴ x = 8
<u>So, the value of x is 8.</u>
Answer:
1. 155 yd², 2. 379.54 ft², 5. x = 65.82π
Step-by-step explanation:
1. A = (1/2) · (3 + 13) · 8
A = (1/2)(16)(8)
A = 64
A = bh
A = 13*7
A = 91
64 + 91 = 155
155 yd²
2. A = bh
A = 25x25
A = 625
A = πr²
A = 3.14*12.5²
A = 3.14*156.25
A = 490.625
490.925/2 = 245.4625
625 - 245.4625 = 379.5375
379.54 ft²
3. and 4. Sorry, I don't know how to solve these
5. A = πr²
A = 3.14*7²
A = 3.14*49
A = 153.86
x/154 = 153.86π/360
360x = 154*153.86π
360x = 23694.44π
x = 65.8178889π
x = 65.82π
Hope this helps :)
Answer:
10
Step-by-step explanation:
(3x+1)=3*3+1=9+1=10
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Cube root 0.216 to get your answer
(Note: This makes sense if you know the volume of a cube is the same value multiplied together 3 times)
The answer is option A 0.6 m
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