3 years ago

Evaluate the expression. 2’5 + 2 (12 – 7) x 4 =

Mathematics

1 answer:

stealth61 [152]3 years ago

3 0

Answer:

the answer is 72 to the expression.

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Help me please!! This is timed and I’m stuck

zhuklara [117]

Let's solve

$\\ \sf\longmapsto 2x^2+7x-15=0$

$\\ \sf\longmapsto x=\dfrac{-7\pm\sqrt{7^2-4(2)(-15)}}{2(2)}$

$\\ \sf\longmapsto x=\dfrac{-7\pm\sqrt{169}}{4}$

$\\ \sf\longmapsto x=\dfrac{-7\pm13}{4}$

$\\ \sf\longmapsto x=\dfrac{-7+13}{4}\:or \:\dfrac{-7-13}{4}$

$\\ \sf\longmapsto x=\dfrac{6}{4}\:or\:\dfrac{-20}{4}$

$\\ \sf\longmapsto x=\dfrac{3}{2}\:or -5$

Subtract

$\\ \sf\longmapsto 3/2-(-5)=3/2+5=13/2$

Option B

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4x-32=-8 what is the variable x

luda_lava [24]

Hey!

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Steps To Solve:

4x - 32 = -8

~Add 32 to both sides

4x - 32 + 32 = -8 + 32

~Simplify

4x = 24

~Divide 4 to both sides

4x/4 = 24/4

~Simplify

x = 6

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Answer:

x = 6

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Hope This Helped! Good Luck!

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