3 years ago

Consider this right triangle. Select the ratio equivalent to tan(A).

Mathematics

2 answers:

lukranit [14]3 years ago

8 0

Prob 780 I’m prob wrong

Alecsey [184]3 years ago

7 0

Answer:

Step-by-step explanation:

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There are 42 students 21 are in 7th grade 14 are in 8th 7 are in ninth whats the probability of an eighth grader winning

Varvara68 [4.7K]

Answer:

The probability of an eighth grader winning is 1/3

Step-by-step explanation:

Total no. of students = 42

Number of students in 7th grade = 21

Number of students in 8th grade = 14

Number of students in 9th grade = 7

Probability of event = $\frac{\text{Favorable outcomes}}{\text{Total outcomes}}$

So,the probability of an eighth grader winning= $\frac{14}{42}=\frac{2}{6}=\frac{1}{3}$

Hence The probability of an eighth grader winning is 1/3

3 0

3 years ago

If m = 22 and n = 3, what is the value of the following expression? m - 5 • n + 3 A. 51 B. 10 C. 4 D. 54

melisa1 [442]

The answer is B, 10.

Step-by-step explanation: You plug in the values where the variables are, then follow PEMDAS, beginning with 5 times 3.

4 0

3 years ago

Which of the following ratios does not describe a relationship between the balls?

Nikolay [14]

Answer:

Step-by-step explanation:

4 0

3 years ago

Evaluate |a| - |b|, given a = 5, b = -3, and c = -2. 2 3 7 8

sertanlavr [38]

Step-by-step explanation:

|5| - |-3| is 2

4 0

4 years ago

The area of a rectangle is 229.2 m2. If the length is 15 m, what is the perimeter of the rectangle

igor_vitrenko [27]

Answer:

$\large\boxed{P=60.56\ m}$

Step-by-step explanation:

The formula of an area of a rectangle:

$A=lw$

l - length

w - width

We have

$A=229.2\ m^2\\\l=15\ m$

Substitute:

$15w=229.2$ <em>divide both sides by 15</em>

$w=15.28\ m$

The formula of a perimeter of a rectangle:

$P=2(l+w)$

Substitute:

$P=2(15+15.28)=2(30.28)=60.56\ m$

8 0

4 years ago