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nlexa [21]
2 years ago
14

Grace bought a string of lights to hang on her patio that we’re 27 feet long.How long did the lights measure in yards

Mathematics
1 answer:
cupoosta [38]2 years ago
4 0

Answer:

12 yards.

Step-by-step explanation:

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If there is 1/6 of a cake and Mitchell only wants 3/12 of it. how much of the cake does he want?
kherson [118]

he wants 1/24 of the cake

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3 years ago
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The following function represents the profit P(n), in dollars, that a concert promoter makes by selling tickets for n dollars ea
Gre4nikov [31]
A) zeroes

P(n) = -250 n^2 + 2500n - 5250

Extract common factor:

P(n)= -250 (n^2 - 10n + 21)

Factor (find two numbers that sum -10 and its product is 21)

P(n) = -250(n - 3)(n - 7)

Zeroes ==> n - 3 = 0  or n -7 = 0
Then n = 3 and n = 7 are the zeros.

They rerpesent that if the promoter sells tickets at 3  or 7 dollars the profit is zero.

B) Maximum profit

Completion of squares

n^2 - 10n + 21 = n^2 - 10n + 25 - 4 = (n^2 - 10n+ 25) - 4 = (n - 5)^2 - 4

P(n) = - 250[(n-5)^2 -4] = -250(n-5)^2 + 1000

Maximum ==> - 250 (n - 5)^2 = 0 ==> n = 5 and P(5) = 1000

Maximum profit =1000 at n = 5

C) Axis of symmetry

Vertex = (h,k) when the equation is in the form A(n-h)^2 + k

Comparing A(n-h)^2 + k with - 250(n - 5)^2 + 1000

Vertex = (5, 1000) and the symmetry axis is n = 5.



8 0
3 years ago
Please help i need to find the constant of proportionality
abruzzese [7]

Answer:

4

Step-by-step explanation:

y = 4*x

y = 4*1.5 = 6

y = 4*2.25 = 9

y = 4* 3.25 = 13

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2 years ago
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3 0
3 years ago
lan has $28 in his checking account. If he writes a check for $12, how much money is left in his account?
Reika [66]

Answer:

$16 once the check is cashed in

Step-by-step explanation:


6 0
2 years ago
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