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2 years ago

What is your opinion that we should raise the drinking/smoking ages to 21?

2 answers:

8 0

In my opinion the ages for drinking/smoking should not be raised to 21. While I am not a fan of either and they almost never lead to good things, it just seems odd to me that a person can fight for his country at 18, but can't smoke or drink.

Julli [10]2 years ago

4 0

Yes, because most teenagers or early adults make bad choices. They should raise the age so when they are actual adults they can hopefully make the right decision.

Try looking on this website is you don't believe in my opinion. http://www.debate.org/opinions/should-the-smoking-age-be-raised-to-21

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Jean runs 8 mi and then rides 11 mi on her bicycle on a biathlon. She rides 9 mph faster than she runs. If the total time for he

Ipatiy [6.2K]

Let Jean's speed while running = x mph

Then Jean's speed while riding will be = x+9 mph

Distance covered by running = 8 miles

Distance covered by riding = 11 miles

Total time taken to complete the race = 1.5 hours

As, $time=\frac{distance}{speed}$

So, time for running= $\frac{8}{x}$

And time for riding= $\frac{11}{x+9}$

Equation becomes:

$\frac{8}{x}+\frac{11}{x+9}=1.5$

Now, multiply every term by 2x(x+9) to clear denominators:

$16(x+9)+22x=3x(x+9)$

Simplifying it we get

$3x^{2}-11x-144=0$

Solve the quadratic equation using formula

$x= \frac{-b+\sqrt{b^{2}-4ac }}{2a}$

putting a=3 , b= -11, c= -144

we get (x - 9)(3x + 16) = 0

where x=9 and x= $\frac{-16}{3}$

Neglect the negative answer as speed cannot be negative, so x = 9 mph

Hence, Jean's running speed is 9 mph and riding speed is x+9 = 9+9 = 18 mph

4 0

3 years ago

If = 80°, and m∠BED = 25°, what is ? 55° 30° 65° 20°

Tomtit [17]

The complete question in the attached figure

we know that
The measure of the external angle is the semidifference of the arcs that it covers.
so
m∠BED =(1/2)*[mAC-mBD]-------> solve for mBD
mBD=mAC-2m∠BED
mBD=80-2*25--------> mBD=30°

the answer is
mBD=30°

5 0

3 years ago

A survey of 398 children given at a local elementary school showed that 175 like chocolate ice cream, 225 like pistachio ice cre

Maru [420]

225-175=50
175-50=125
125 chidren liked both chocolate and pistachio ice cream.
Check: 398-123=275
275-125=150
225-125=100
175-125=50
100+50=150
150-150=0

3 0

3 years ago

Tristan made 98 bracelets in 7 hours and Denita made 56 bracelets in 4 hours. These rates are equivalent because they have the s

dexar [7]

Answer:

A) unit rate

Hope this helps

8 0

3 years ago

You have cards with the letters A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P. Event U is choosing the cards A, B, C

Thepotemich [5.8K]

Answer:

If you are asking how many events use P: 1 event is using the letter P (event W)

Step-by-step explanation:

Why event U cannot be using P: This event is only using the letters A, B, C, and D.

Why event V cannot be using P: This event is only using vowels (A, E, I, O, U)

5 0

3 years ago