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Vinvika [58]
3 years ago
15

1. Uma escada possui comprimento igual a 30m. Sabe-se que ela se encontra encostada em um muro, formando com este um ângulo de 6

0º. Podemos afirmar que a altura da escada, em m. é igual am:
Mathematics
1 answer:
topjm [15]3 years ago
6 0

Answer:

The height of the ladder is 15 meters.

Step-by-step explanation:

To find the height of the ladder, we just need to use the cosine relation of the 60 degrees angle.

The adjacent side to the angle is the height of the ladder, and the hypotenuse of the triangle created is the length of the ladder. So, we have that:

cos(60) = height / length

0.5 = height / 30

height = 30 * 0.5 = 15 meters

The height of the ladder is 15 meters.

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Answer:

972$

Step-by-step explanation:

8 0
2 years ago
Twice the difference of a number and 8 equals 2
bixtya [17]

Answer:

x=16

Step-by-step explanation:

2(x/8)=2

2x / 16=2

   x 16 x 16

2x=32

2x/2= 32/2

x= 16    

6 0
2 years ago
50 points
Leya [2.2K]

Answer:

\frac{2}{4} inch

Step-by-step explanation:

Step 1

List the length of the wingspan of the five butterflies

\frac{1}{4}, \frac{1}{4}, 1, \frac{2}{4}, \frac{3}{4}

Step 2:

The two butterflies with the shortest wingspan has a wing length of \frac{1}{4} inches each.

Step 3:

Total length of the wingspan of the two butterflies with the shortest wingspan

= =\frac{1}{4} +\frac{1}{4} \\
       = \frac{2}{4}

Final answer:

= \frac{2}{4} inch

5 0
2 years ago
GIVING BRAINLIEST TO THE CORRECT ANSWER!!
arlik [135]

Answer:

Step-by-step explanation:

No of total brown = 2 + 1 = 3 .

probability = 3 / 6

= 1 /2 .

no of males = 2

probability

= 2 / 6

= 1 /3

no of person who is both male and brown = 1

probability = 1 /6

Required probability

= probability of being brown + probability of being male - probability of being both

= 1 / 2 + 1 / 3 - 1 /6

= 4 / 6

= 2 / 3 .

3 0
2 years ago
I just need help with this problem
Oksanka [162]
+1/31 and -1/31
Hope this helps.
7 0
2 years ago
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