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2 years ago

X= 4 , y = 5 , y’ = 6 . What’s x’ = ?

Mathematics

1 answer:

creativ13 [48]2 years ago

7 0

x' = 24/5

The rule for variable to variable' is multiply by 6/5, shown as y to y'

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Use the quadratic formula to find the solutions for.. y = 2x^2 - 9x + 5.

Yakvenalex [24]

Answer: $x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

Step-by-step explanation:

$2x^2-9x+5$

a=2

b=-9

c=5

$x=\frac{-b\frac{+}{}\sqrt{b^2-4ac} }{2a}$

$x=\frac{-(-9)\frac{+}{}\sqrt{(-9)^2-4(2)(5)} }{2(2)}$

$x=\frac{9\frac{+}{}\sqrt{81-40} }{4}$

$x=\frac{9\frac{+}{}\sqrt{41} }{4}$

$x=\frac{9}{4}-\frac{\sqrt{41} }{4} \\x=\frac{9}{4}+\frac{\sqrt{41} }{4}$

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3 years ago

8x+4 (4x+3) = 4 (6x+4)-4 help

Tasya [4]

Answer:

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

8x+4(4x+3)=4(6x+4)−4

8x+(4)(4x)+(4)(3)=(4)(6x)+(4)(4)+−4(Distribute)

8x+16x+12=24x+16+−4

(8x+16x)+(12)=(24x)+(16+−4)(Combine Like Terms)

24x+12=24x+12

Step 2: Subtract 24x from both sides.

24x+12−24x=24x+12−24x

12=12

Step 3: Subtract 12 from both sides.

12−12=12−12

0=0

Answer:

All real numbers are solutions.

4 0

3 years ago

Which property is illustrated? 15 + (5 + 7) = (15 + 5) + 7

Ainat [17]

Associative Property !!

hope this helped!!!

3 0

3 years ago

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What set does negative 4 belong to

Alenkinab [10]

It belongs to integers

6 0

3 years ago

What is the solution of the system of equations below? 2x+3y=7 x+y=3 *Due tomorrow*

zhenek [66]

Answer:

x = 1, y = 2

Step-by-step explanation:

x + y = 3 => 2x + 2y = 6

2x + 3y = 7

-)2x + 2y = 6

=> y = 1, x = 2

8 0

3 years ago