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ivann1987 [24]
4 years ago
15

The school that Maria goes to is selling tickets to a spring musical. On the first day of ticket sales the school sold 7 adult t

ickets and 1 student ticket for a total of $57. The school took in $140 on the second day by selling 12 adult tickets and 7 student tickets. Find the price of an adult ticket and the price of a student ticket
Mathematics
1 answer:
SSSSS [86.1K]4 years ago
3 0
Use slader, all you have to do is type up your workbook and question. And I would answer but I’m also testing for school right now. But go use it,
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Does anyone have the answers for the rest of this or know the answers ?
irga5000 [103]

Answer:

4.

a)  4x^4-4x^3-16x^2+16x

b)  4x^4-4x^3-16x^2+16x

5. Yes

Step-by-step explanation:

The distributive property is:

(a+b)(c+d)=ac+ad+bc+bd

It can be extended to a lot of terms as well.

We will use this to multiply both of the probelms shown.

4 a)

(4x^2-4x)(x^2-4)=(4x^2)(x^2)-(4)(4x^2)-(4x)(x^2)+(4x)(4)=4x^4-16x^2-4x^3+16x=4x^4-4x^3-16x^2+16x

The answer is 4x^4-4x^3-16x^2+16x

4 b)

(x^2+x-2)(4x^2-8x)=(x^2)(4x^2)-(8x)(x^2)+(x)(4x^2)-(8x)(x)-(2)(4x^2)+(2)(8x)=4x^4-8x^3+4x^3-8x^2-8x^2+16x=4x^4-4x^3-16x^2+16x

The answer is  4x^4-4x^3-16x^2+16x

5. Yes

4 0
3 years ago
How do I find the missing side
vekshin1

Answer:

x = 11.8639

Step-by-step explanation:

cos∅ = adjacent / hypotenuse

Since we are dealing with right triangles, we can use trig to help solve for missing values:

cos22° = 11/x

xcos22° = 11

x = 11/cos22°

x = 11.8639

6 0
4 years ago
What is the solution set of - lxl= -8?
NARA [144]

Answer:

8

Step-by-step explanation:

The absolute value of |x| is x

-x = -8

Distribute the - on the other side but since two negatives make a positive:

- and - = +

x = 8

Hope this helped.

6 0
3 years ago
I need help with the equation inserted in the picture.
sergij07 [2.7K]

Answer:

x = 4

-4x+21 => 5

Step-by-step explanation:

The given triangle in the picture is isosceles triangle which means that two sides of the triangle are equal.

So,

Side\ 1: -4x+21\\Side\ 2: -4x+21\\Side\ 3: 6\\Perimeter = 16

Now

Putting all the values in equation for perimeter

Side\ 1+Side\ 2+Side\ 3 = 16\\-4x+21 -4x+21 + 6 =16\\-8x +48 = 16\\-8x = 16-48\\-8x = -32\\\frac{-8x}{-8} = \frac{-32}{-8}\\x = 4

Putting x = 4 in side 1

=-4(4)+21\\= -16+21\\=5

Hence,

x = 4

-4x+21 => 5

4 0
3 years ago
Fuaad solved an absolute value inequality and expressed the solution as . What is another way to show Fuaad’s solution? For all
Ira Lisetskai [31]

Answer:

{x I - 12 < x < 7}

Step-by-step explanation:

Fuaad solved an absolute value inequality and expressed the solution as - 12 < x < 7.

So, the value of x lies between - 12 and 7 but not including - 12 and 7.

Option C will give another way to show Fuaad's solution.

It is {x I - 12 < x < 7}, which means x is a variable which belongs with in the interval (- 12, 7). (Answer)

4 0
4 years ago
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