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PSYCHO15rus [73]

3 years ago

8

BRAINLIEST GURANTEED ON 4 and em

1 answer:

Andru [333]3 years ago

6 0

T(1)=.46 sec
T(2)= 11.72 sec

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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

Solve each equation. Use models if necessary. Check your solution.

morpeh [17]

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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>

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3 years ago

Read 2 more answers

Express (25 1/2) ^3 in simplest radical form

Mkey [24]

Step-by-step explanation:

i think this is the answer if it's wrong I'm sorry

5 0

2 years ago

Are the two expressions equivalent when x = 5? 24x + 18 and 6 (4x + 2)

patriot [66]

Answer:

Nope-

Step-by-step explanation:

24x + 18 = 138

6 (4x + 2) = 132

3 0

2 years ago

Please help me on this <br><br> Simplify (12^2)^4

nika2105 [10]

(12^2)^4

= 12^(2*4)

= 12^8 (or 429,981,696)

7 0

3 years ago