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Makovka662 [10]
4 years ago
13

Please help will mark brainliest. Find AC

Mathematics
1 answer:
Anastaziya [24]4 years ago
4 0

Answer: Line AC = 16

Step-by-step explanation: We have two angles and one side given. The side given is facing one of the angles so we apply the Sine Rule;

a/SinA = b/SinB

We can now substitute values as follows;

AC/Sin 77 = 14/Sin 58

We cross multiply and we have

AC = (14 x Sin 77)/Sin 58

AC = (14 x 0.9744)/0.8481

AC = 13.6416/0.8481

AC = 16.08

Approximately, Line AC = 16.

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Original grade 80 New grade 100 Find the percent of increase
MaRussiya [10]

Answer:

25%

Step-by-step explanation:

Percent change = 100 - 80

|80|

x 100 = 20

80

x 100 = 25

8 0
4 years ago
Can someone please answer my question in less than two weeks plz its ridiculos!!!
Tatiana [17]

Answer:

>

Step-by-step explanation:

3^-1 = .33333333

1/4 = .25

5 0
3 years ago
Richard walks every day for exercise at a rate of 1 kilometer every 20 minutes. At this rate, how many meters can Richard walk i
Zanzabum

Answer:

3000 minutes

Step-by-step explanation:

20 x 3 = 60 minutes

60 minutes = 1 hour

1 x 3 = 3km

3km = 1 hour

3 x 1000 = 3000 meters

Ans: 3000 meters

6 0
3 years ago
Ivanna is playing a game in which she spins a spinner with 6 equal-sized slices numbered 1 through 6. The spinner stops on a num
saul85 [17]

Answer:

The spinner has 6 equal-sized slices, so each slice has a 1/6 probability of showing up.

I guess that we want to find the expected value in one spin:

number 1: wins $1

number 2: wins $3

number 3: wins $5

number 4: wins $7

number 5: losses $8

number 6: loses $8

The expected value can be calculated as:

Ev = ∑xₙpₙ

where xₙ is the event and pₙ is the probability.

We know that the probability for all the events is 1/6, so we have:

Ev = ($1 + $3 + $5 + $7 - $8 - $8)*(1/6) = $0

So the expected value of this game is $0, wich implies that is a fair game.

8 0
3 years ago
PLEASE HELP IT IS VERY URGENT!!
gogolik [260]

Step-by-step explanation:

(c)

In\: \triangle PLM \: \&\: \triangle PLM\\\angle PLM \cong\triangle PFG.. (corresponding \:\angle s) \\\angle LPM \cong \angle FPG.. (common \: \angle s) \\\therefore \triangle PLM\sim\triangle PFG.. (by\: AA\:Postulate) \\PF = PL + LF = 2 + 3 = 5

By area of similar triangle theorem:

\frac {A(\triangle PLM)}{A(\triangle PFG)}= \frac{PL^2}{PF^2}\\\therefore \frac {A(\triangle PLM)}{A(\triangle PFG)}= \frac{2^2}{5^2}\\\therefore \frac {A(\triangle PLM)}{A(\triangle PFG)}= \frac{4}{25}\\A(\triangle PLM)\: :\: A(\triangle PFG) = 4 \: :\: 25

8 0
3 years ago
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