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nydimaria [60]
3 years ago
11

A movie theater charges $5 for an adult's ticket and $2 for a child's ticket. One Saturday the theater sold

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
5 0

Answer:

Assuming all the tickets are children's tickets, (1,640)

Step-by-step explanation:

3,280/2=1640

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Radium-226 has a half life of 1622 years. If you start off with a 200
sweet [91]

Answer:

≈23.6 kg left.

Step-by-step explanation:

For determining this, we can simply use an exponential decay equation representing this scenario:

y= a(0.5)^{\frac{t}{h} }

a: the initial amount

t: the amount of time

h: the half life

Now, substitute the numbers into the equation:

y=200(0.5)^{\frac{5000}{1622} }

Now, solve this equation:

y=220(0.5)^{3.08}

Use a calculator to solve for y:

y= 200(0.118)

y≈23.6 kg left.

3 0
3 years ago
Samantha spent $22.50 on 9 gallons of gas. What was the price per gallon?
finlep [7]
2.50 is how each gallon cost because if you multiply 2.50 times the amount of gallons (9) it’s 22.50 in total
6 0
3 years ago
Please help!!! SEE PICTURE<br> PRECALC TRIG
Alex17521 [72]

Answer:

131.41 degrees

Step-by-step explanation:

Given the equation

5(sinθ+3) = sinθ+12

5sinθ+15 = sinθ+12

5sinθ-sinθ = 12 - 15

4sinθ = -3

sinθ = -3/4

θ = arcsin(-0.75)

θ = -48.59 degrees

Since sin is negative in the 3rd quadrant

α = 180 + θ

α = 180 - 48.59

α = 131.41degrees

Hence the required angle is 131.41 degrees

7 0
3 years ago
20 points! Simplify: 2y(2y+3yx^{2} )-y^{2} (3-y) please show work!
arlik [135]

Answer:

8x2y - 6x2 - 8xy2 - y2

Step-by-step explanation:

Equation at the end of step  1  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-(3•(y2)))-((((x2)+(y2))+(8x•(y2)))-3y2)

Step  2  :

Equation at the end of step  2  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-(3•(y2)))-((((x2)+(y2))+23xy2)-3y2)

Step  3  :

Equation at the end of step  3  :

 (((((5•(x2))•y)-(5•(x2)))+(3y•(x2)))-3y2)-(x2+8xy2-2y2)

Step  4  :

Equation at the end of step  4  :

 (((((5•(x2))•y)-(5•(x2)))+3x2y)-3y2)-(x2+8xy2-2y2)

Step  5  :

Equation at the end of step  5  :

 (((((5•(x2))•y)-5x2)+3x2y)-3y2)-(x2+8xy2-2y2)

Step  6  :

Equation at the end of step  6  :

 ((((5x2•y)-5x2)+3x2y)-3y2)-(x2+8xy2-2y2)

Step  7  :

Final result :

 8x2y - 6x2 - 8xy2 - y2

4 0
3 years ago
Can someone answer this please?
algol [13]

Answer:find it online

Step-by-step explanation:

8 0
3 years ago
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