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Suppose :
a = ( 5 , 1 ) and b = ( 2 , - 5 )
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We have following equation to find the slope of the line using two points :

Now just need to put the coordinates in the above equation ;


Negatives simpliflies




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Answer:
40 grapes
Step-by-step explanation:
20 strawberries / 2 = 10 strawberries
10 strawberries x 4 grapes = 40 grapes
See below for the proof that the areas of the lune and the isosceles triangle are equal
<h3>How to prove the areas?</h3>
The area of the isosceles triangle is:

Where r represents the radius.
From the figure, we have:

So, the equation becomes

Evaluate

Next, we calculate the length (L) of the chord as follows:

Multiply both sides by r

Multiply by 2

This gives


The area of the semicircle is then calculated as:

This gives

Evaluate the square

Divide

Next, calculate the area of the chord using

Recall that:

Convert to radians

So, we have:

This gives

The area of the lune is then calculated as:

This gives

Expand

Evaluate the difference

Recall that the area of the isosceles triangle is

By comparison, we have:

This means that the areas of the lune and the isosceles triangle are equal
Read more about areas at:
brainly.com/question/27683633
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Hannah is 1 year old today.
Step-by-step explanation:
Let,
Hannah = x
Biff = y
According to given statement;
y = x+25 Eqn 1
In four years;
y+4 = 6(x+4) Eqn 2
Putting value of y from Eqn 1 in Eqn 2;

Dividing both sides by 5

As x is age of Hannah, therefore,
Hannah is 1 year old today.
Keywords: linear equations, substitution method
Learn more about linear equations at:
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Answer:
im pretty sure you have to divide 15, 840 by 60 and you should get 0.264
Step-by-step explanation: