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lesya [120]
4 years ago
5

For 0° ≤ x < 360°, what are the solutions to sin(StartFraction x Over 2 EndFraction) + cos(x) – 1 = 0 ?

Mathematics
1 answer:
nataly862011 [7]4 years ago
6 0

Answer:

{60°,300°}

b.

Step-by-step explanation:

edge 2020

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^9 belongs to what family of real numbers?
Setler79 [48]

Answer:

Rational number

Step-by-step explanation:

Rational numbers repeat and terminate. The square root of 9 is 3, and 3 is a whole number as well as a number that terminates,  which makes it a rational number

3 0
4 years ago
      A light plane flew from its home base to an airport 255 miles away. With a head wind, the trip took 1.7 hours. The return
ryzh [129]
The speed from home base to airport was:
v=255miles/1.7h\ /:1.7\\v=150mph
The speed from airport to home base was:
v=255miles/1.5h\ /:1.5\\v=170mph
Average speed of plane was:
\frac{170mph+150mph}{2}=160mph
Average speed of wind was:
x\ -\ wind\ speed\ (mph)\\150+x=170-x\ /+x\\150+2x=170\ /-150\\2x=20\ /:2\\x=10
Answer: Average speed of plane was 160mph and average speed of wind was 10mph.

I hope I helped :D
6 0
4 years ago
Read 2 more answers
Is 0.34 greater or less than 0.92
pishuonlain [190]

Answer:

0.34 is less than 0.92

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST!!
irinina [24]

Answer:

The are 8 dimes and 12 nickels

Step-by-step explanation:

1.We set n+d=20 because 20 is the total number of dimes and nickels in the jar.We have $0.05 n because for ever nickel,we earn $0.05.Adding this to the value of dimes,represented similarly by $0.1,then we set this to the amount of money we have in total,which is $1.40.

2.Subtract d from both sides of the first equation to get it by itself.Substitute-d for n in the second equation.The divide both sides by 0.5 to obtain the answer.

3.Substitute 8 in for d to obtain the value or n.

6 0
3 years ago
The perimeter of a triangular playground is 120 feet. The ratio of the measures of the sides is 3:5:7. Find the measure of the s
Hunter-Best [27]
24 feet, 40 feet, and 56 feet this is because using the ratio given 3:5:7 

you can multiply
3x8=24
5x8=40
7x8=56
This shows that it follows the ratio lastly you need to make sure the numbers add up to 120 
24+40+56=120
So A is your answer can I be marked brainiest please
5 0
3 years ago
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