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Likurg_2 [28]
3 years ago
15

Find tan A for the triangle below.

Mathematics
2 answers:
AlexFokin [52]3 years ago
6 0
Tangent is the opposite divided by the adjacent.
Tan A = 12/21
Tan A = 0.5714
The answer is D.
natulia [17]3 years ago
5 0

Answer:

Option (d) is correct.

\tan A=0.5714

Step-by-step explanation:

Given : A right angled triangle with given dimensions.

We have to find the value of  \tan A

Consider the given right angled triangle.

Using trigonometric ratio,

The tangent of angle is the ratio of perpendicular to the base.

Mathematically written as   \tan\theta=\frac{Perpendicular}{base}

For the given triangle

\theta=A , base = 21 and perpendicular = 12

Substitute, we have,

\tan A=\frac{12}{21}

Simplify, we have,

\tan A=0.5714

Option (d) is correct.

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Which of the equations below could be the equation of this parabola?
Mademuasel [1]

Answer:

Option B: y = -\frac{1}{2} x^2

Step-by-step explanation:

The parabola has its concavity downwards, so we need a function in the model:

y = ax^2 + bx + c

With a negative value of 'a'

The vertex is (0,0), so we have that:

0 = 0a + 0b + c

c = 0

The x-coordinate of the vertex is given by the equation:

x\_vertex = -b/2a

-b/2a = 0

b = 0

So we have a function in the model:

y = ax^2

With a < 0

The only option with this format is B:

y = -\frac{1}{2} x^2

7 0
3 years ago
The last question for my test help
alisha [4.7K]

3 2/6

5/6*4=20/6

20/6= 3 2/6 OR 3 1/3

8 0
3 years ago
A Standard number is<br> tossed find each<br> Probability.<br> P (4 or less than 6)
Klio2033 [76]

the probability of rolling 4 or a number less than 6 is P = 5/6

<h3 /><h3>How to find the probability?</h3>

The standard number cube has the outcomes {1, 2, 3, 4, 5, 6}

We want to find the probability of rolling 4 or a number less than 6. (4 is a number less than 6).

The outcomes that meet that condition are:

{1, 2, 3, 4, 5}

So 5 out of 6 outcomes meet the condition, then the probability is:

P(4 or less than 6) = 5/6

If you want to learn more about probability:

brainly.com/question/25870256

#SPJ1

3 0
1 year ago
Solve by using the perfect squares method. x2 + 4x + 4 = 0<br> a. 2<br> b. –2<br> c. 4<br> d. –4
Assoli18 [71]
Solve your equation step-by-step.

x2+4x+4=0

Factor left side of equation.

(x+2)(x+2)=0

Set factors equal to 0.

x+2=0

or

x+2=0


x=−2

7 0
3 years ago
Read 2 more answers
These ordered pairs represent a function:(0,2), (1,-1), (2,-4), (3,-7). Write a function rule (equation) to represent this funct
inna [77]

Answer:

A

Step-by-step explanation:

I included the steps in the picture I attached. lmk if you need me to explain more

6 0
3 years ago
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