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lesya [120]
3 years ago
6

PLEASE HELP ILL GIVE MEDALS AND MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!! NEEDS TO BE ALEGABRA 2 MEATHOD!!!!!!!!

Mathematics
1 answer:
svet-max [94.6K]3 years ago
8 0
Solve (x+3) / 3x > 2 . [I guess 3x divides (x+3) and not 3], if so, then
(x+3) > 6x → 3 > 6x-x → OR x < 3/5  OR x<0.6



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andrey2020 [161]

Answer: -7

Step-by-step explanation: Click here: brainly.com/question/19416562

4 0
2 years ago
Find the exact value of x.
Tom [10]

Answer:

7\sqrt{2} or 9.89

Step-by-step explanation:

sin45= \frac{7}{x}

x=\frac{7}{sin 45}

x= 7\sqrt{2} or 9.89

4 0
3 years ago
Read 2 more answers
Help!!!!????!!!???!!
Anon25 [30]

Answer:  

π/3

Step-by-step explanation:

-5π/3 is a co terminal of 2π-5π/3= (6π-5π)/3=π/3

7 0
3 years ago
Gregory’s age is 5 years greater than of Amanda’s age. Gregory is 17 years old. If Amanda’s age is denoted by x, which equation
Mariana [72]
Let Amanda's age = x.
Gregory's age = x + 5.

Since Gregory is 17 years old.
17 = x + 5
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4 0
3 years ago
Paul went on a bike ride of 30 miles. He realized that if he had gone 8 mph faster, he would have arrived 12 hours sooner. How f
lara [203]

Answer: He actually rode 2 miles per hour on his trip

Step-by-step explanation: Maybe unconventional, but express the time it took, then figure the speed.

Time  = distance /speed  t will represent time, s is the speed:  t = 30/s Use the rime it would have taken at the higher speed to create an equation:

t-12 = 30/s+8   replace the y with the 30/s

30/s -12 = 30/s+8

(s)(30/s -12 ) = (s)(30/s+8 )  Cross multiply to cancel denominators  

(s-8)(30 -12s) = (s-8)(30s/s+8 ) ==> 30s +240 -12s² -96s =30s   Simplify:  

(-1)(-12s² -96s +240 ) =0 ==>  12s² +96s -240  divide all by 12

s² + 8s -20 = 0   Factor and solve for s

(s +10)(s -2) =0    s-2=0   S= 2  

Proof:

30/2 = 15 hours for original trip at 2mph,  

increase speed by 8mph   2 + 8 = 10mph

30 miles at 10mph takes 3 hours; that is 12 hours less than his actual trip.

(Brainilest, please :-)

4 0
3 years ago
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