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bonufazy [111]
3 years ago
9

The solution set of n2 − 14n = -45 is {____}.

Mathematics
1 answer:
prisoha [69]3 years ago
5 0
I solved it with n^2

Solution: (5,9)
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Solve the equation 2x^3-5x^2+x+2=0 given that 2 is a zero of f(x)= 2x^3-5x^2+x+2
zalisa [80]

The polynomial equation 2x^{3} - 5 x^{2} + x + 2 = 0 given that 2 is zero of

f(x) = 2x^{3} - 5 x^{2}  + x +2

According to the question,

f(x)  =2x^{3} - 5 x^{2} + x + 2

f(2)= 2(2)^{3} - 5 (2)^{2} + 2 + 2 \\= 2(8) - 5(4) +4\\= 16 - 20 + 4\\= -4 + 4\\= 0.

Hence, the polynomial equation 2x^{3} - 5 x^{2} + x + 2 = 0 given that 2 is zero of f(x)  =2x^{3} - 5 x^{2} + x + 2.

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brainly.com/question/1720316

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3 0
2 years ago
IF U SEE THIS PLZ HELP IM FAILING! 20 POINTS AND WILL MARK BRAINLIEST!
marshall27 [118]

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mc013-1.j pg

Step-by-step explanation:

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6 0
4 years ago
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74. Seven workers are hired to seed a field by hand. Each is given a plot 7 x 7
Lelu [443]

Answer:

The total area of the field is 343 square feet

Step-by-step explanation:

Let us solve the question

∵ There are 7 workers hired to seed a field by hand

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→ The plot has shaped a square because its two dimensions equal

∴ The side of the plot = 7 feet

∵ The area of the square = side × side

∴ The area of each plot = 7 × 7

∴ The area of each plot = 49 square feet

→ To find the total area multiply the area of 1 plot by the number

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∵ The total area = 49 × 7

∴ The total area = 343 square feet

∴ The total area of the field is 343 square feet

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3 years ago
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AnnZ [28]
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Find the unknown side or angle as indicated.<br> Round each side length to the nearest tenth
Rainbow [258]
SOLVE THE EQUATIONS

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