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Zanzabum
3 years ago
5

S = 4LW + 2WH; S = 168, L = 8, W = 4 H=

Mathematics
1 answer:
IRISSAK [1]3 years ago
5 0

Answer:

umm check your math book in page 445

Step-by-step explanation:

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30 points
boyakko [2]

Answer:

1) The value of c is given by

c=4

2) The value of k is given by

k=-4150

Step-by-step explanation:

Given that function g is defined by g(x)=cx-3 , where c is a constant.

To find c:

Also given that value of g(x) at x=0.5 is equal to -1

ie., g(0.5)=-1

At x=0.5

g(0.5)=c(0.5)-3=-1

(0.5)c-3=-1

(0.5)c=-1+3

(0.5)c=2

c=\frac{2}{0.5}

c=\frac{2}{\tfrac{1}{2}}=2\times \frac{2}{1}

Therefore c=4

2) Given that function h is defined by h(x)=\frac{20x-k}{x+50} , where k is a constant.

To find k:

Also given that value of h(x) at x=20 is equal to 65

ie., h(20)=65

At x=20

h(20)=\frac{20(20)-k}{20+50}=65

400-k=65(70)

-k=4550-400

-k=4150

Therefore k=-4150

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(-2,-3)

Mirror the point across the x-axis. If it is at (-2,3) then the reflection would be (-2, -3)
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a. x - 7 > 25

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