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jasenka [17]
2 years ago
5

Right answer please

Mathematics
1 answer:
GaryK [48]2 years ago
8 0

Answer: 7.012 x 10−8 ==> Option 3

Step-by-step explanation:

(3.012 x 10−8) + (4 x 10−8)=

(3.012+4) x 10−8=

(3.012+4.000) x 10−8=7.012 x 10−8 ==> Option 3

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Answer:

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Step-by-step explanation:

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3 years ago
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Help me please!! This is timed and I’m stuck
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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}

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Subtract

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Option B

6 0
3 years ago
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there is jar of jellybeans on principal coopers desk 40% of the jelly beans are red.there are 28 red jeallybeans how many jelly
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Step-by-step explanation:

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