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scoundrel [369]
3 years ago
8

Use the quadratic model P(x) = 25x2 − 24x + 615 to predict P(x) if x equals 8.

Mathematics
2 answers:
Nat2105 [25]3 years ago
7 0
If P(x) = 25x² - 24x + 615
Then, when x = 8:
P(x) = P(8)
= 25(8)² - 24(8) + 615
= 1600 - 192 + 615
= 2023
bija089 [108]3 years ago
6 0

Answer:

2023 is answer

Step-by-step explanation:

P(x)=25x^2-24x+615

for x =8 ,we get  the value

P(8)=25(8)^2-24(8)+615

    =1600-192+615

   =2023

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vitfil [10]

Answer:

7.24

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Multiply 5 boxes of cereal by the cost of cereal

31.24 minus that number gives the answer

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Sales at a book store increased from 5000 to 10000. This year sales dicreased to 5000 from 10000.
erastovalidia [21]
It's basically 5,000*2=10,000
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6 0
3 years ago
Read 2 more answers
Han has 10 cubes, each 5 inches on a side. A) Find the total volume of Han’s cubes. Express your answer as an expression using a
g100num [7]

Answer:

A) Vol_10_cubes  = 2*(5^4) inch^3

B) Area_10_cubes = (2^2)*3*(5^3)  inch^2

Step-by-step explanation:

A)The volume of a cube, as all sides are equal:

Vol_cube = (side)^3

side = 5 inches

Vol_cube  = 5^3 inch^3

Since we have 10 cubes

10 = 2*5

Vol_10_cubes  = 2*(5^4) inch^3

B) A cube has six faces, each with area equal to its squared side

Area_cube = 6*(side)^2

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Area_10_cubes = 2*5*6*(5)^2  inch^2

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Find a polynomial with a degree of 3 and zeros -3,3,5
Aliun [14]

Answer:

f(x) = x³ - 5x² - 9x + 45

Step-by-step explanation:

Given x = a, x = b are the zeros of a polynomial, then

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Here the zeros are x = - 3, x = 3 and x = 5, thus

(x + 3), (x - 3) and (x - 5) are the factors and

f(x) = (x + 3)(x - 3)(x - 5) ← expand the first pair of factors using FOIL

     = (x² - 9)(x - 5) ← distribute

    = x³ - 5x² - 9x + 45

   

6 0
3 years ago
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