3 years ago

1. Marlin averages for his Social Studies class is listed below. If the teacher

1 answer:

5 0

The answer is 2) 71%

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Sergio039 [100]

Answer:

- $\frac{24}{25}$

Step-by-step explanation:

Given 630 < A > 720 then A is in the fourth quadrant where

cosA > 0 and sinA < 0

Given

cosA = $\frac{3}{5}$ = $\frac{adjacent}{hypotenuse}$

Then the triangle is a 3- 4 - 5 with opposite side 4, thus

sinA = - $\frac{opposite}{hypotenuse}$ = - $\frac{4}{5}$

Using the trigonometric identity

sin2A = 2sinAcosA

= 2 × - $\frac{4}{5}$ × $\frac{3}{5}$

= $\frac{2(-4)(3)}{5(5)}$ = - $\frac{24}{25}$

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3 years ago

Crazy boy [7]

The answer is 180 feet per minute.

4 0

4 years ago

miss Akunina [59]

The answer you're looking for is B.
Because if you look all the numbers all of them are double digits but one.

3 0

3 years ago

ivanzaharov [21]

Answer: 6 i think

Step-by-step explanation:

3 0

3 years ago

creativ13 [48]

So u times it first so -15p-15-63+9p
so it would short it down because of cobine like terms -6p-78

7 0

3 years ago