2 years ago

I need help on this

Mathematics

2 answers:

Schach [20]2 years ago

5 0

Answer:

Step-by-step explanation:

the numbers were not mentioned twice.

Kay [80]2 years ago

3 0

Answer:

no clue

Step-by-step explanation:

i have no clue

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4x + 3y = 8 2x - y=9

Alex17521 [72]

Step-by-step explanation:

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2 years ago

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What equation results from completing the squre and then factoring x^2+10=15

nlexa [21]

For this case we must complete squares:

$x ^ 2 + 10x = 15$

We add the square of half the coefficient of the term "x",

$(\frac {b} {2a}) ^ 2$ on both sides of the equation:

$x^2+10x+(\frac {10} {2 (1)}) ^ 2 = 25 + 15\\x ^ 2 + 10x + 5 ^ 2 = 25 + 15$

According to the perfect square trinomial we have:

$(a + b) ^ 2 = a ^2 + 2ab + b ^ 2$

Rewriting the expression we have:

$a = x\\b = 5\\(x + 5) ^ 2 = 25 + 15\\(x + 5) ^ 2 = 40$

ANswer:

$(x + 5) ^ 2 = 40$

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3 years ago

PLEASE HELP PLEASE SHOW WORK PUT 15 YEARS OLD P.S I'M NOT 15

oksano4ka [1.4K]

Answer:

Step-by-step explanation:

FV = p (1+i)^n -1

pv = 700,000

i = .075/12 = .00625

n = (66 - 15)* 12 = 612

700,000 = P (( 1 + .00625)^ 612 -1 /.00625

4375 = P (1.00625)^612 -1)

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2 years ago

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2 years ago

I need help on this ​

I need help on this