Find the exact value of cos 157.5°.
1 answer:
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Answer:
The answer is
<h2>( - 8 , 2)</h2>Step-by-step explanation:
The midpoint M of two endpoints of a line segment can be found by using the formula
<h3>where
(x1 , y1) and (x2 , y2) are the points
From the question the points are
J(-4,6) and P(-12,-2)
The midpoint is
<h3>We have the final answer as
<h3>( - 8 , 2)</h3>Hope this helps you
Well 0.5kg is an awkward number, so let's double £1.50 and 0.5kg to get £3 for 1kg, or 1000g.
So now, we can set up a proportion. (x is the cost)
.
Now we multiply 400 on both sides to get 'x' on its own.
× 
So now, we know the cost for 400g = £1.20.
So now, we can set up a proportion. (x is the cost)
Now we multiply 400 on both sides to get 'x' on its own.
So now, we know the cost for 400g = £1.20.