3 years ago

The graph below represents the relationship between Jackie’s salary, s, and the length of time she works, t.

Mathematics

1 answer:

sladkih [1.3K]3 years ago

4 0

$80 because if 1 hour of work is equal to $10 earned you then multiply by 8.
ANSWER:$80

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aliya0001 [1]

Answer:

(a)-4, -7, -10 and -13.

(b) -46

Explanation:

Given the sequence:

$t\mleft(n\mright)=-3n-1$

(a) The first four terms are obtained by substituting n=1,2,3 and 4 respectively.

$\begin{gathered} t\mleft(1\mright)=-3(1)-1=-3-1=-4 \\ t(2)=-3(2)-1=-6-1=-7 \\ t(3)=-3(3)-1=-9-1=-10 \\ t(4)=-3(4)-1=-12-1=-13 \end{gathered}$

The first 4 terms of the sequence are -4, -7, -10 and -13.

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$\begin{gathered} t(15)=-3(15)-1 \\ =-45-1 \\ =-46 \end{gathered}$

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Step-by-step explanation:

3y^2(y-8)+7(y-8)

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Step-by-step explanation:

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