Given:
y is proportional to x.
y=10 and x=8.
To find:
The constant of proportionality and the equation for the proportional relationship.
Solution:
y is proportional to x.

...(i)
Where, k is the constant of proportionality.
Putting y=10 and x=8, we get



Putting
in (i), we get

Therefore, the contestant of proportionality is
and the equation for the proportional relationship is
.
Answer:
The length is 5
The width is 11
Step-by-step explanation:
11 is more than two times bigger than 5
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Answer:
the last one
Step-by-step explanation:
when something asks for product it means multiplication
to get 2 times -5, you move first to -5 then to -10
B should be the answer Hope this helps.
Answer:
L = the slanted height of the pyramid
Step-by-step explanation:
The surface area of a pyramid is given by :

Where
P is perimeter of base of pyramid
L is the slant height of the pyramid
B is the area of base.
So, the correct option is (c) "the slanted height of the pyramid".