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Pie
3 years ago
6

The angle measures 22°, 62°, 118°, and 158° are written on slips of paper. You choose two slips of paper at random.

Mathematics
1 answer:
-BARSIC- [3]3 years ago
6 0
There are 6 ways to choose 2 items from a set of 4.
Of these 6 ways, there are only 2 that are supplementary.
Therefore, the probability is 1/3.


You might be interested in
Find the reference angle for -3π/4
kykrilka [37]

Answer:

  π/4

Step-by-step explanation:

The reference angle will be the minimum of the absolute value of the angle, and the difference of that absolute value and pi.

  ref angle = min(|-3π/4|, π -|-3π/4|) = min(3π/4, π/4)

  ref angle = π/4

4 0
3 years ago
al triplicar la temperatura registrada en un dia caluroso se obtiene 69.C cual era la temperatura inicial
katrin2010 [14]

Answer:

8.30662386292= mas o menos 8

Step-by-step explanation:

Para este pregunta, se necesita encontrar el raiz cuadrada de 69, porque 69 esta triplicada, entonces la temperatura inicial era  mas o menos 8

8 0
3 years ago
Please answer this question now
Allisa [31]

Answer:

373.66 cm².

Step-by-step explanation:

The following data were obtained from the question:

Pi (π) = 3.14

Radius (r) = 7 cm

Slant height (l) = 10 cm

Surface Area (SA) =?

The surface area of the cone can be obtained by using the following formula:

SA = πr² + πrl

SA = (3.14 × 7²) + (3.14 × 7 × 10)

SA = (3.14 × 49) + 219.8

SA = 153.86 + 219.8

SA = 373.66 cm²

Therefore, the surface area of the cone is 373.66 cm².

7 0
3 years ago
Find the distance between the points (a, 0) and (0, b).
padilas [110]

Answer:

d = sqrt( a^2 + b^2)

Step-by-step explanation:

Formula

d = sqrt( (x2 - x1)^2 + (y2 - y1)^2  )

Givens

x1 = a

x2 = 0

y1 = 0

y2 = b

Solution

d = sqrt( (0 - a)^2 + (b - 0)^2 )

d = sqrt( a^2 + b^2)

which is another way of writing the Pythagorean theorem.

6 0
3 years ago
Read 2 more answers
1
Nutka1998 [239]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
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