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Colt1911 [192]
3 years ago
9

REVISION EX

Mathematics
1 answer:
ad-work [718]3 years ago
7 0

i don't know .. ..... .... ... ... .. . . . . .

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A certain forest covers an area of 4800km^2. suppose that each year this area decreases by 5% What will the area be after 5 year
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2 years ago
Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
Andrew [12]

Hello from MrBillDoesMath!

Answer:

One solution (z = -1)

Discussion:

-2(z+3)-z=-z-4(z+2)        =>

-2z -6 -z = -z -4z - 8       =>

-3z -6 = -5z -8                =>  add 6 to both sides

-2z = -5z -2                     => add 5z to both sides

3z = -5z +5z -3               =>

3z = -3                            =>

z = -1

Thank you,

MrB

6 0
3 years ago
Determine when domain increases
Svetllana [295]

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Step-by-step explanation:

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2 years ago
Factor the algebraic expression.<br> 72 +63
Ira Lisetskai [31]

Answer:135

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3 years ago
write a story problem that can be solved by finding the sum of 506,211 and 424,809.then solve the problem
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