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lawyer [7]
3 years ago
12

tickets for the school play cost $ 8 each for adults and $ 3 for students.what was the cost of 2 adult tickets and 1 student tic

ket?
Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0
 the answer is $19,because you add the cost of 2 adult tickets 18$ and the cost of 1 student ticket 3$ and get 19$
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One number is larger than another by 9. If the greater number is increased by 10, and the lesser number is tripled, the sum of t
kkurt [141]

Answer:

The larger number is -6, the smaller number is -15

Step-by-step explanation:

We have two numbers, a and b.

We know that one number is larger than another by 9.

Then we can write:

a = b + 9

then a is larger than b by 9 units.

If the greater number is increased by 10 (a + 10) and the lesser number is tripled (3*b), the sum of the two would be -41:

(a + 10) + 3*b = -41

So we got two equations:

a = b + 9

(a + 10) + 3*b = -41

This is a system of equations.

One way to solve this is first isolate one variable in one of the two equations:

But we can see that the variable "a" is already isolated in the first equation, so we have:

a = b + 9

now we can replace that in the other equation:

(a + 10) + 3*b = -41

(b + 9) + 10 + 3*b = -41

now we can solve this for b.

9 + b + 10 + 3b = -41

(9 + 10) + (3b + b) = -41

19 + 4b = -41

4b = -41 -19 = -60

b = -60/4 = -15

b = -15

then:

a = b + 9

a = -15 + 9 = -6

a = -6

7 0
2 years ago
What is the inverse of the function f(x) = x – 12?
Luda [366]

Answer:a


Step-by-step explanation:

h(x)=x-12

h(x)=4x-48

h(x)=-1(4x-48)

h(x)=-4x+48

h(x)=48-4x

7 0
3 years ago
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chubhunter [2.5K]
It’s deducting 10 each
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2 years ago
What is 10 3/4 - 5 1/4=
Temka [501]

you can make it into an improper fraction if you want but there is no need for this problem

steps

1) 10 3/4- 5 1/4

10-5=5

3/4-1/4=2/4 or 1/2

answer:5 1/2 or 5 2/4

(it is better simplified)

8 0
3 years ago
Read 2 more answers
Find the radius of a cylinder if its volume is 1539π cm3 and height is 19 cm.​
Kipish [7]

Hope THIS works if not ask a tutors

3 0
2 years ago
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