Brianna has 0.15 liter of a liquid. She will use 0.4 of this liquid. How many liters will she use?
1 answer:
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Answer:
x 4
Step-by-step explanation:
4x^2 - 64 0 ; move 64 over
4x^2 64 ; divide by 4
x^2 16 ; take square root of both sides
x 4
Multiply the numerator and denominator by :
Since , we have
. So substituting the values of <em>a</em>, <em>b</em>, and <em>c</em> gives us
<em>Find the gradient of the line joining (-1,9) and (3,5)</em>
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Use the slope formula:-
Replace the letters with the numbers:-
On simplification,
On further simplification,