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2 years ago

Please please help i’ll give brainliest tysm :)

Mathematics

2 answers:

cluponka [151]2 years ago

8 0

Answer:

the tank can hold 12.5 gallons when it is full

Step-by-step explanation:

Let's assume tank can hold 'x' gallons when it is full we are given

The gas gauge in a car shows it has 40% of a tank of gas

So, gas in car is and we have the car has about 5 gallons so, we can set it equal

and then we can solve for x

Multiply both sides 5

we get

So, the tank can hold 12.5 gallons when it is full

Neko [114]2 years ago

3 0

Answer:

C) Between 9 and 13

Step-by-step explanation:

If 40% is 5 gallons, then 20% is 2.5 gallons

If you multiply both by 5, you get 12.5, which is between 9 and 13

Sorry for my weird way of math

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3 years ago

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scoundrel [369]

Very interesting question, i’m happily here to answer it for you The answer you might be looking for is
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Hope this helps :)

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2 years ago

Solve for this trig identity step by step.

stepladder [879]

Using trigonometric identities, and equality is reached, hence the equality is proved.

<h3>Which trigonometric identity are used to solve this question?</h3>

These three identities are used:

$\sin^2{x} + \cos^2{x} = 1 \rightarrow \cos^2{x} = 1 - \sin^2{x}$ .

$\sec^2{x} = 1 + \tan^2{x}$ .

$\sec^2{x} = \frac{1}{\cos^2{x}}$

Hence:

$\sec^4{x} = \frac{1 + \tan^2{x}}{1 - \sin^2{x}}$

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Equality is reached, hence the equality is proved.

More can be learned about trigonometric identities at brainly.com/question/24496175

#SPJ1

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1 year ago