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3 years ago

A right triangle has side lengths d, e and f as shown below use these lengths to find cos x, tan x and sin x

Mathematics

2 answers:

kvasek [131]3 years ago

6 0

Answer:

To solve for the trigonometric functions of x, we need to recall the ratios they represent as shown below.

sin x = O/H

cos x = A/H

tan x = O/A

where O stands for opposite, A for adjacent, and H for hypotenuse. So, for example, the sine of x is equal to the side opposite of angle x over the hypotenuse. The same goes for cosine and tangent. Using the diagram attached, we have the expressions of the trigonometric functions as shown below.

sin x = f/d

cos x = e/d

tan x = f/e

Step-by-step explanation:

Ilya [14]3 years ago

5 0

Answer:

Step-by-step explanation:

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Emma read the statement “the quotient of six and a number, x, is the same as negative two times the difference of x and 4.5.” Sh

bekas [8.4K]

If you're wanting to translate what Emma said it would be..

6/x = -2(x-4.5)

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3 years ago

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In a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. Based on those results, estimate

pashok25 [27]

Answer:

The probability of getting an offspring pea that is green is is 0.733

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

Step-by-step explanation:

The formula for calculating the probability of an event is;

P = Favorable Outcome / Sample space

Let A be an event of getting an offspring green peas, B be an event of getting an offspring yellow peas and N be the total number of peas.

number of green peas in an offspring are 350

number of yellow peas in an offspring are 127

total number of peas are 477

So in the genetic experiment, the number of times event A occurs is 350 and the number times event B occurs is 127

Now the probability of getting an offspring pea that is green is

P = number of green peas / total number of peas

p = n(A)/N

p = 350/477

p = 0.733

So YES, the probability is reasonably close to 3/4 ( 0.750 )

The probability of getting an offspring pea that is green is is 0.733.

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

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3 years ago

i really really really need help with this math question i’m giving away FREE points and BRAINLIEST for correct answer

Travka [436]

B is the correct answer. please mark brainliest.

8 0

3 years ago

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I've already saved $68 for the $200 video game system. How many hours does raj need to work to earn the remainder of the money h

gladu [14]

Total amount needed for the video game = $200

Total amount of money saved = $68

Amount of money that is needed to be saved = 200-68 =132

So raj needs to work additional hours in order to earn the remaineder$132 for the video game

Hourly wage = $5.5

So, number of hours that Raj needs to work to earn $132 = $132/5.5 = 24 hours

Number of hours that Raj needs to work to earn the remainder of the money = 24 hours

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3 years ago

In ΔUVW, the measure of ∠W=90°, the measure of ∠V=71°, and VW = 55 feet. Find the length of UV to the nearest tenth of a foot.

Katarina [22]

Answer:

168.9 feet

Step-by-step explanation:

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3 years ago