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Vladimir [108]
2 years ago
11

#7 I have 30 people in my class including my teacher and class helper please help and explain

Mathematics
2 answers:
kow [346]2 years ago
4 0
You will have 28 kids because your teacher // and class helper.
koban [17]2 years ago
3 0
You will have 28 students that is the answer
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soldier1979 [14.2K]
FG = FE
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FG = 3(6) - 4
FG = 18 - 4
FG = 14

answer
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The answer is 9. Thank you for your time
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Can you see the specific pattern they follow?<br>(2,4,6,8...)(3,6,12,24...)( 5,10,15,20,...)​
mars1129 [50]
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8 0
2 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
If Jay had 5 cards and Jill had 10 cards. What is the product?
cupoosta [38]
Hello there,

The word "product" mean's to multiply.

So we are going to do 5 x 10.

This will give us 50 because when we do
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Hope this helps

Your correct answer will be 50 card's

~Jurgen
5 0
3 years ago
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