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mrs_skeptik [129]
4 years ago
5

In Triangle ABC, which trigonometric ratio has the value a/c?

Mathematics
2 answers:
alex41 [277]4 years ago
8 0

we know that

In the right triangle ABC

sin(A)=\frac{BC}{AC}= \frac{a}{b}

cos(A)=\frac{AB}{AC}= \frac{c}{b}

tan(A)=\frac{BC}{AB}= \frac{a}{c}

sin(C)=\frac{AB}{AC}= \frac{c}{b}

cos(C)=\frac{BC}{AC}= \frac{a}{b}

tan(C)=\frac{AB}{BC}= \frac{c}{a}

therefore

<u>the answer is the option A</u>

tan(A)

SIZIF [17.4K]4 years ago
6 0
The answer would be A) tan A, because of SOHCAHTOA (if you don't know this, it means SOH) sin=opposite/hypotenuse, CAH) cos=adjacent/hypotenuse, and TOA) tan=opposite/adjacent).
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mash [69]
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6 0
3 years ago
A red car is driving along the road in the direction of the police car and is 130 feet up the road from the location of the poli
pishuonlain [190]

Complete question:

A police car is located 50 feet to the side of a straight road. A red car is driving along the road in the direction of the police car and is 130 feet up the road from the location of the police car. The police radar reads that the distance between the police car and the red car is decreasing at a rate of 75 feet per second. How fast is the red car actually traveling along the road.

Answer:

The red car is traveling along the road at 80.356 ft/s

Step-by-step explanation:

Given

Police car is 50 feet side off the road

Red car is 130 feet up the road

Distance between them is decreasing at the rate of 75 feet per sec

Let x be how far the police is off the road.

Let y be how far the red car is up the road.  

Let h be the distance between the police and the red car.

This forms a right triangle so we can use the Pythagorean theorem, to solve for h

h² = x² + y²

h² = 50² + 130²

h² = 19400

h = √19400

h = 139.284 ft

Again;

Let dx/dt be how fast the police is traveling toward the road.

Let dy/dt  be how fast the red car is traveling along the road.

Let dh/dt be how fast the distance between the police and the car is decreasing.

Recall that, h² = x² + y² (now differentiate with respect to time, t)

2h(dh/dt) = 2x(dx/dt) + 2y(dy/dt)

divide through by 2

h(dh/dt) = x(dx/dt) + y(dy/dt)

since the police car is not, dx/dt = 0

and dy/dt is the how fast is the red car actually traveling along the road

139.284(75) = 50(0) + 130(dy/dt)

10446.3 = 0 + 130(dy/dt)

dy/dt = 10446.3 / 130

dy/dt = 80.356 ft/s

Therefore, the red car is traveling along the road at 80.356 ft/s

6 0
4 years ago
An experienced landscaper can landscape garden with an area of 60sq.m thrice as fast as an apprentice. Working together, it take
Genrish500 [490]

Answer:

It will take the apprentice 24 days working alone

Step-by-step explanation:

Let the number of days it takes the apprentice be x

It will take the landscaper x/3 ( since he is three times faster)

The rate for both will be 60/6 = 10 sq m per day

Rate for apprentice is 60/x

rate for the boss is 60/x/3 = 180/x

Adding the rates together;

60/x + 180/x = 10

240/x = 10

240 = 10x

x = 240/10

x = 24 days

7 0
3 years ago
The diagonal of a rectangle big-screen TV screen measures 152cm. The length measures 132cm. What is the height if the screen?​
vladimir1956 [14]

Answer:

75.36cm

Step-by-step explanation:

We use the pithagorean theorem: height^2 = 152^2 - 132^2 = 5680;

height = \sqrt{5680} = 75..36 cm

4 0
3 years ago
What is the slope of the line that goes through the points (1,-5) and (4,1)
dem82 [27]

Answer:

D. 2

Step-by-step explanation:

So you use the formula with is \frac{y_{1}-y_{2}}{x_{1}-x_{2}}. so you get (1 - -5)/(4-1). this gets you to 6/3 and you get 2

5 0
3 years ago
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