Let's start with triangle RST. This is a 30-60-90 triangle, which means it has the relationship x - x sqrt(3) - 2x.
If RS is 2 sqrt(3), then ST must be 2 and RT must be 4.
Triangle QRT is a 45-45-90 triangle, which means it has the relationship x - x - x sqrt(2).
If RT is 4, then RQ must also be 4.
Answer: x = 4
Hope this helps!
Step-by-step explanation:
To find the rate, divide the number of heartbeats by the number of seconds.
You: 22 beats / 20 seconds = 1.1 beats per second.
Friend: 18 beats / 15 seconds = 1.2 beats per second.
1 -) ( 5 sin ø - 3 cos Ø )
________________
sin Ø + 2 cos Ø
← <u>SOLUTION</u><u>→</u>
( 5 sin ø - 3 cos Ø )
________________
sin Ø + 2 cos Ø
=> 5 - 3 cot ∅
( ___________ )
1 + 2 cot ∅
=>. 5 - 3 × 4
[ ____. ]
5
________________
1 + 2 x 4
__
5
= 25 - 12
________. (:. cot Ø = 4 / 5
5 + 8
= 13
___
13
= 1
2 - ) ( b sin Ø - a cos Ø)
_______________
b sin Ø+ a cos Ø
SOLUTION
( b sin Ø - a cos Ø)
_______________
b sin Ø+ a cos Ø
= ( b tan Ø - a )
____________
( b tan Ø+ a )
b
= b × ___ - a
a
__________. (:. tan Ø= b /a
b
b × ___. + a
a
= b ² - a ²
________
b² + a ²
Answer:
I don't know sir actually I didn't understand your question no need to reply to my answer bye
Answer:
Joe's rate = 7 mph
Ralph's rate = 8 mph
Step-by-step explanation:
Give. That:
Joe's rate = x
Ralph rate = x + 1 kmph
Travel time = 2 hours
Hence, distance traveled = Speed * time
Joe's distance : 2 * x
Ralph's distance = 2 * (x + 1)
2x + 2(x + 1) = 30
2x + 2x + 2 = 30
4x + 2 = 30
4x = 30 - 2
4x = 28
x = 28/4
x = 7
Joe's rate = 7
Ralph's rate = 7 + 1 = 8