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2 years ago

5

What is the value of x ??

1 answer:

Jet001 [13]2 years ago

5 0

Answer:

2

Step-by-step explanation:

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Solve the system using substitution<br> 8x+9y=15<br> 5x-2y=17

Otrada [13]

$5x-2y=17\ \ \ \ |-5x\\-2y=-5x+17\ \ \ \ |:(-2)\\y=2.5x-8.5\\\\\text{substitute to the first equation}\\\\9x+9(2.5x-8.5)=17\ \ \ \ |\text{use distributive property}\\9x+22.5x-76.5=17\ \ \ \ |+76.5\\31.5x=93.5\ \ \ \ |:31,5\\x=3\\\\\text{substitute the value of x to the equation}\ y=2.5x-8.5\\\\y=2.5(3)-8.5=7.5-8.5=-1\\\\Answer:\ x=3,\ y=-1\to(3;\ -1)$

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3 years ago

50 POINTS !!<br><br><br> PLEASE HELP AND EXPLAIN !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

allochka39001 [22]

I need the point my point is -

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3 years ago

Read 2 more answers

Write an expression. That is the equivalent to 3/5 (3y + 15)

OlgaM077 [116]

9y/5 +5

Im sorry dont have an expression but i hope i got it right

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2 years ago

Find the value of the expression 2x²-5x+6

Vedmedyk [2.9K]

33x I think sorry if I am wrong

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3 years ago

Help please I do not know how to do this

sleet_krkn [62]

Answer:

0 and 1

Step-by-step explanation:

If a polynomial P(x) is divided by (x + h), then by the Remainder theorem

The remainder is the value of P(- h)

(1)

For P(x) divided by (x - 1) , then the remainder is P(1) = 0

(2)

For P(x) divided by (x + 2) then the remainder is P(- 2) = 1

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2 years ago