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3 years ago

9

While planning a hiking trip, you examine a map of the trail you are going on hike. The scale on the map shows that 2 inches rep

resents 5 miles.
If the trail measures 6 inches on the map, how long is the trail?

1 answer:

Marrrta [24]3 years ago

7 0

Answer:

8.0

Step-by-step explanation:

eight inch big ooo thats the pick

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What is 2 x 2 someone please help

MrRissso [65]

The answer to 2 x 2 is 4

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3 years ago

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The minimum wage in 2003 was $5.15 this was W more than the minimum wage in 1996 write an expression for the minimum wage in 199

Vikentia [17]

<span>The minimum wage in 2003 was $5. Let denote this minimum wage with: W_min_2003.
In 1996 the minimum wage was 15 the W_min_2003 ,so we can write:
W_min_1996=15*W_min_2003=15*5 USD= 75 USD.
The minimum wage in 1996 was 75 USD.</span>

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3 years ago

Help! How would I solve this trig identity?

NeTakaya

Using simpler trigonometric identities, the given identity was proven below.

<h3>How to solve the trigonometric identity?</h3>

Remember that:

$sec(x) = \frac{1}{cos(x)} \\\\tan(x) = \frac{sin(x)}{cos(x)}$

Then the identity can be rewritten as:

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

Now we can multiply both sides by cos⁴(x) to get:

$\frac{1}{cos^4(x)} - \frac{1}{cos^2(x)} = \frac{sin^4(x)}{cos^4(x)} + \frac{sin^2(x)}{cos^2(x)} \\\\\\\\cos^4(x)*(\frac{1}{cos^4(x)} - \frac{1}{cos^2(x)}) = cos^4(x)*( \frac{sin^4(x)}{cos^4(x)} + \frac{sin^2(x)}{cos^2(x)})\\\\1 - cos^2(x) = sin^4(x) + cos^2(x)*sin^2(x)\\\\1 - cos^2(x) = sin^2(x)*sin^2(x) + cos^2(x)*sin^2(x)$

Now we can use the identity:

sin²(x) + cos²(x) = 1

$1 - cos^2(x) = sin^2(x)*(sin^2(x) + cos^2(x)) = sin^2(x)\\\\1 = sin^2(x) + cos^2(x) = 1$

Thus, the identity was proven.

If you want to learn more about trigonometric identities:

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7 0

1 year ago

Help, No links please!!!!!!

jolli1 [7]

Answer:

I think 60 because say u do 2×3 you get 6 but do 20×3 and it's 60 so I think it's 60 so sorry if I'm wrong.

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3 years ago

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The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm.

blondinia [14]

4.5 / 2 = 2.25cm radius for the smaller circle

3.14 (pi) × 2.25² = 15.89625cm²

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3.14 × 5.25² = 86.54625cm²

86.54625 - 15.89625 = <span>70.65cm</span>²

The answer is 70.7cm².

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3 years ago

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