A supermarket sella the same type of breakfast cereal in 2 different sized boxes the weight and usual price of each box are £2.50 and £2.80, this week the price of a standard box is reduced by 18% which box is the best value for money this week?

x=30

step-by-step explanation:

find the magnitude of the trig term  

csc

(

x

)

−

1

by taking the absolute value of the coefficient.

1

find the lower bound of the range.

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y

=

−

2

find the upper bound of the range.

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y

=

0

the range is  

y

≤

−

2

or  

y

≥

0

.

(

−

∞

,

−

2

]

∪

[

0

,

∞

)

{

y

|

y

≤

−

2

,

y

≥

0

}

step-by-step explanation:

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

a

step-by-step explanation:

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