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amm1812
3 years ago
12

Help quick 16 points

Mathematics
1 answer:
aalyn [17]3 years ago
3 0

Answer:

124 child tickets, and 78 adult tickets

Step-by-step explanation:

x=child

y= adult

x+y=202

10x+6y=1708

Multiply eq1 by 6

6x+6y=1212

-4x=-496

x=124

y=78

Hope this helps plz mark brainliest :D

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The sum of the ages of Kristen and Ben is 32. Four years ago Kristen was twice as old as Ben. How old are they both now?
Elan Coil [88]

Let us say that:

K = age of Kristen

B = age of Ben

 

From the problem, we make the equations:

eqtn 1: K + B = 32

eqtn 2: (K – 4) = 2 (B – 4)

 

Simplifying eqtn 2:

K – 4 = 2 B – 8

K = 2 B – 4

 

Plugging in this to eqtn 2:

(2 B – 4) + B = 32

3 B – 4 = 32

3 B = 36

B = 12

 

From eqtn 2:

K = 2 B – 4 = 2 (12) – 4 = 20

 

So Kristen is 20 while Ben is 12.

5 0
3 years ago
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a_sh-v [17]
The root of 77 is 8.774 so the answer is C

Answer: C
8 0
2 years ago
I don't know how to solve
Korolek [52]
The answer is 84 degrees you just subtract 180-90
4 0
3 years ago
These two scalene triangles are similar with a scale of 4:5. What is true about these figures?
disa [49]

Alright, lets get started.

Lets check each possible answer one by one.

We will start from option B.

BC is from small triangle and its corresponding side is DF, so its ratio will be \frac{4}{5} not \frac{5}{4} as given in option. Hence option B is incorrect.

For option C,

Angle a° and angle f° are not similar angles, if they were similar, then only their ratio will be 1 otherwise not 1. Hence option C is incorrect.

For option D,

Angle c° and angle f° are similar angles so, their ratio will be \frac{c}{f}  = 1. Hence option D is incorrect.

Now option A,

ED and AB are corresponding sides. ED is from bigger triangle and AB is from smaller triangle. Their ratio will be \frac{ED}{AB} =  \frac{5}{4}. Hence option A is correct answer.

Hope it will help :)




6 0
2 years ago
Read 2 more answers
What is the answer to question 17
Nikolay [14]

Answer:

It is 1/1536

Step-by-step explanation:

You divide 1/512 by three since it is a cube.

6 0
3 years ago
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