3 years ago

Please help this is just one question and I'm really busy, it will mean the world if u helped me on this. ( Exit Ticket )

Mathematics

1 answer:

Georgia [21]3 years ago

6 0

Step-by-step Answer explanation:

if every 1 gallon equal 4 quarts then 5 gallons is the same 20 quarts and since it said for every 1 quart equals 2 bucks and if thats true then 20 quarts equals

40$

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What is 4/7 + 2/7 in simplest form

Arada [10]

$\frac{2}{7} +\frac{4}{7}\\
\frac{2+4}{7}\\
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Your answer is $\frac{6}{7}$

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3 years ago

Sinxcosxtanx=1-cos^2x

ycow [4]

Step-by-step explanation:

$sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ LHS \\= sin x \: cos x \: tanx \\ =sin x \: cos x \: \times \frac{sin x}{cos x} \\ = sin x \: \times \frac{sin x}{1} \\ ={sin}^{2} x \\ = 1 - {cos}^{2} x \\ = RHS \\ \therefore \: sin x \: cos x \: tanx = 1 - {cos}^{2} x \\ Hence \: Proved.$