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Tanya [424]
2 years ago
15

P/4 + pq when p= 8 and q= 6

Mathematics
1 answer:
777dan777 [17]2 years ago
4 0
The answer is 50!!!!
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Can anyone help me with trig identities?
nevsk [136]

Answer:

cosA = √(21/25)

Step-by-step explanation:

We know

sin²(A) + cos²(A) = 1

Next, we know that sin(A) = 2/5. Plugging that into our equation, we get

(2/5)² + cos²A = 1

4/25 + cos²A = 1

subtract 4/25 from both sides to isolate cos²A

cos²A = 1 - 4/25 = 25/25-4/25 = 21/25

square root both sides to get

cosA = √(21/25)

We do not include -√(21/25) in our possible answer for cosA because this is in quadrant 1, so cosA must be positive.

6 0
3 years ago
You flipped a coin 50 times and got 23 heads.What is the experimental probability of getting a head? Write your answer as a frac
lys-0071 [83]

Answer:

23/50, 0.46, and 46%

Step-by-step explanation:


This problem is stating that every fifty times you flip a coin you get 23 heads. Finding the fraction is simple, it would be 23/50 because it is expressing the probability. The problem clearly states that every 50 times you get 23 heads. To find the decimal, take the fraction, 23/50, and multiply the numerator and denominator by 2. you get 46/100 which is 0.46. A percent is just a fraction out of a 100 which would make the percent 46.


8 0
2 years ago
The number of students in the period 7 study hall at jin's school is 4 times the number of students in jin's home room. how many
k0ka [10]
1/4 the students in study hall (per 7) = 16

16*4 = 64 students in study hall.

<span>Hope I helped! (Pick my answer as brainliest!)</span>
5 0
3 years ago
If the length of the side of a square is 6 cm,then the area will be equal to ________
Feliz [49]

Answer:

36 centimeters squared.

Step-by-step explanation:

Use the formula for the area of a square.

A=s^2

A=(6)^2

A=6 \times 6=36

3 0
2 years ago
Read 2 more answers
Find the measure of the Arc or central angle indicated. Assume that lines which appear to be diameters are diameter?
lorasvet [3.4K]

Answer:

Step-by-step explanation:

Arc UV= 50°

Arc UYW = 360-55-50 = 255°

3 0
2 years ago
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