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bearhunter [10]
3 years ago
13

Solve the following equation.

Mathematics
1 answer:
serious [3.7K]3 years ago
4 0

Answer:

x²-10×+25=16

ײ-10×=16-25

×(×-10)=-9

but if your question is rather 2x-10×+25=16

then here goes the answers

2x-10×+25=16

-8×=16-25

-8×=-9

×=9/8

×=1¹/8

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Find sum of three consecutive even integers if the largest integer is Y
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Answer:

3y -- 6

Step-by-step explanation:

if the largest number is y, then the other two integers would be (y -- 2) and (y -- 4).

Therefore the sum of the integers would be

y + (y -- 2) + (y -- 4) = 3y -- 6.

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2 years ago
In a movie theater, the number of seats in a row is 8 greater than the total number of rows. How many rows are in the movie thea
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Answer:

26 rows

Step-by-step explanation:

this is like a rectangle length×width situation.

seats per row = s

number of rows = r

s × r = 884

s = r + 8

so, we can use e.g. the second equation in the first :

(r + 8) × r = 884

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r² + 8r - 884 = 0

the general solution to such a quadratic equation is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

x = r

a = 1

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= (-8 ± sqrt(64 + 3536))/2 = (-8 ± sqrt(3600))/2 =

= (-8 ± 60)/2 = -4 ± 30

r1 = -4 + 30 = 26

r2 = -4 - 30 = -34

a negative number did not make any sense for the number of rows, so r = 26 is our answer.

8 0
2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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