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2 years ago

Solve the equation: 3x-5 4x+1 ------- = -------- 2 4

Mathematics

1 answer:

Eduardwww [97]2 years ago

4 0

Cross multiply 3x-5 with 4 and 4x + 1 with 2
Which it would give you 12x-20=8x+2 then solve for x

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Is the expression 4 - x the same as x – 4? Explain

jarptica [38.1K]

Answer:

Yes

Step-by-step explanation:

The order of the factors does not alter the product

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3 years ago

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Plsss help!<br><br> I will give brainliest

liberstina [14]

Answer:

x= +2, -2

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2 years ago

Solve for x. mx2 + y e = b

m_a_m_a [10]

X=(b/2m)*y-e is the answer I believe.

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2 years ago

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I ready scientific notation help

Airida [17]

The required value is $2\times10^9$

Step-by-step explanation:

Weight of ants = $4\times10^{-3}$

Weight of elephant= $8\times10^6$

We need to find, the total weight of about how many ants equals to the weight of an oversized elephant.

The equation given is:

$4\times10^{-3} \times a = 8\times10^6$

We need to find a:

Solving:

$4\times10^{-3} \times a = 8\times10^6\\a=\frac{8\times10^6}{4\times10^{-3}}\\if \,\,10^a/10^-b \,\,then\,\, 10^{a+b}\\a=2\times10^{6+3} \\a=2\times10^9$

So, the required value is $2\times10^9$

Keywords: Scientific Notation

Learn more about Scientific Notation at:

#learnwithBrainly

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2 years ago

If a solution has a ( OH- )= 8.6 × 10-5 what is the pOH

riadik2000 [5.3K]

POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:

pOH = - log ( 0.000086 ) = 4.07

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2 years ago