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Paladinen [302]
3 years ago
8

a group of families decided to go on vacation to disneyworld. the adult addmission price is $44.95 and the child addmission pric

e is $34.95. if eleven people went on tht e trip, and the cost of addmission was $434.45.
Mathematics
1 answer:
dangina [55]3 years ago
5 0
X = adult tickets
y= child tickets

x + y = 11

44.95x + 34.95y = 434.45

-44.95x - 44.95y = -494.45

-10y = -60

y = 6 child tickets

x + 6 = 11

x = 5 adult tickets
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if £500 is invested for 3 years at a rate of compound interest of 4% per annum how much will be in the account after three years
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£562.43

Step-by-step explanation:

£500 is invested for 3 years at a rate of compound interest of 4% per annum how much will be in the account after three years

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Solve for w 4w - 9 = 7
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w = 4

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H(x) = x2 1 k(x) = x – 2 (h k)(2) = (h – k)(3) = Evaluate 3h(2) 2k(3) =.
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Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.The value of the given functions are,

(h+k)(x)=5

(h-k)(x)=9

3h(2)+2k(3)=17

<h3>Given information-</h3>

The given function is,

h(x)=x^2+1

k(x)=x-2

<h3>Quadratic equation</h3>

Quadratic equation is the equation in which only one variable is unknown. The highest power of the variable is 2.

1) The value of the function (h+k)(2),

(h+k)(x)=h(x)+k(x)

(h+k)(x)=x^2+1+x-2

(h+k)(2)=2^2+1+2-2

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2)The value of the function (h-k)(3),

(h-k)(x)=h(x)-k(x)

(h-k)(x)=x^2+1-x+2

(h-k)(3)=3^2+1-3+2

(h-k)(x)=9

3) The value of the function 3h(2)+2k(3)

3h(x)+2k(x)=3x^2+3+2x-2\times 2

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3h(2)+2k(3)=17

Hence the value of the given functions are,

(h+k)(x)=5

(h-k)(x)=9

3h(2)+2k(3)=17

Learn more about the quadratic equation here;

brainly.com/question/2263981

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