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Fittoniya [83]
3 years ago
14

PLZ ANSWER FAST!!!!! Mr. Miller took a poll of which students in his class have gone to a water park. If 7/9 of his class have v

isited a water park for a total of 21 students, then how many total students are in Mr. Miller's class?
Mathematics
2 answers:
Scilla [17]3 years ago
7 0

Answer:

27

Step-by-step explanation:

Let x be the total number of students. So, turning the words of the problem into an equation, we get:

7/9x = 21,

then, 7x = 189

so, x = 27.

hammer [34]3 years ago
5 0

Answer:

29 students

Step-by-step explanation:

divide by 7 to get 1/9 then multiply by 9 to get total.

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Can u pls help me with this question
Anastasy [175]

Answer:

D

Step-by-step explanation:

$65-$39=$26 increase

$26/$39=.6667 or 66.67%

3 0
3 years ago
What is the surface area of a cube with side lengths of 1/7<br><br> Please help
-BARSIC- [3]

Answer: 0.122449

Step-by-step explanation:

If one side is 1/7, first convert that into a decimal, which is 0.14286. Than square that 0.14286 x 0.14286= 0.020408. That’s the area of one square. Now multiply that by 6 (the number of sides in a cube) and you get 0.122449.

4 0
4 years ago
One member of the Lockport High School will be chosen randomly for a trip over spring break. There are 900 students in the high
KiRa [710]
It would be a 50% percent
8 0
3 years ago
a profectile is shot upward, and it's distance above the ground, in feet after s t seconds is represented by the function below.
Shalnov [3]

Answer:

Step-by-step explanation:

the curve is representing the projectile. at t=0, the projectile is on the ground.  at t=6, the projectile has finished its journey and is back on the ground.  In between t=0 and t=6 will be the projectile's peak altitude.  the point between t=0 and t=6 is t=3.  So plug in t=3 and solve for s(t), and you get 36ft.  gg

3 0
3 years ago
PT=7x-24 and TQ=6x-2, Find PT.
Nastasia [14]
We can't find what PT exactly is because we don't know TQ or x.  However, we can find PT in terms of TQ!

Multiply the second equation by seven sixths to get:

\frac{7TQ}{6}=7x- \frac{7}{3}

Subtract \frac{65}{3} from both sides to get:

\frac{7TQ}{6}- \frac{65}{3}=7x-24

Substituting PT for 7x-24, we see that:

PT= \frac{7TQ}{6} - \frac{65}{3}, which is our answer.
4 0
3 years ago
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