Answer:
87+10x
Step-by-step explanation:
7 + 10(x + 8)
7 + 10x+80
87+10x
I hope this helps :)
So first you need to know how much area the garden is
so areia=legnth times width
area=15 times 10
area =150 m^2 (square meters)
each stone is 1 by 1 so area of each stone is 1 m^2
150/1=150
you need 150 paving stones
Answer:
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Step-by-step explanation:
Answer:
3
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos30° = , then
cos30° = = = ( cross- multiply )
2x = 20 ( divide both sides by 2 )
x = 10 → B