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kirza4 [7]
3 years ago
5

What solves the equation? (Needs to be simplified)

Mathematics
1 answer:
Alja [10]3 years ago
8 0

\bf \cfrac{4v+1}{6v^2-19v+10}\div \boxed{x}=\cfrac{4v-1}{3v-2}\implies \cfrac{~~\frac{4v+1}{6v^2-19v+10}~~}{x}=\cfrac{4v-1}{3v-2} \\\\\\ \stackrel{\textit{cross-multipying}}{\cfrac{~~\frac{4v+1}{6v^2-19v+10}~~}{\frac{4v-1}{3v-2}}=x}\implies \cfrac{4v+1}{6v^2-19v+10}\cdot \cfrac{3v-2}{4v-1}=x \\\\\\ \cfrac{4v+1}{(\underline{3v-2})(2v-5)}\cdot \cfrac{\underline{3v-2}}{4v-1}=x\implies \cfrac{4v+1}{(2v-5)(4v-1)}=x \\\\\\ \cfrac{4v+1}{8v^2-2v-20v+5}=x\implies \cfrac{4v+1}{8v^2-22v+5}=x

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What is the value of x? Show your work each step of the way. No work means NO points!
Brrunno [24]

Answer:

The value of x is -10.

Step-by-step explanation:

Given : Expression 3x-8=\frac{8x+4}{2}

To find : What is the value of x?

Solution :

Step 1 - Write the expression,

3x-8=\frac{8x+4}{2}

Step 2 - Cross multiply,

6x-16=8x+4

Step 3 - Take like terms together,

6x-8x=4+16

Step 4 - Solve,

-2x=20

x=-\frac{20}{2}

x=-10

Therefore, The value of x is -10.

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3 years ago
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Step-by-step explanation:

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3 years ago
A bag contains three marbles, eight blue marbles and nine red marbles. If the marbles are picked at random, what is the probabil
Phoenix [80]

The probability of obtaining two blue marbles without replacement is equal to 0.15.

We are given that:

The number of yellow marbles = 3

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Number of Blue marbles = 8

Total marbles = 3 + 9 + 8

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Now, we have to calculate the probability of obtaining two blue marbles without replacement.

The probability will be:

P( obtaining two blue marbles without replacement )  = 8 / 20 × 7 / 19

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Therefore, the probability of obtaining two blue marbles without replacement is equal to 0.15.

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1 year ago
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miss Akunina [59]

Answer:

I can help with Q "4" as -

It uses triangle congruence test -  here we use - SAS, as

one side is equal as it is given

both the  angles are 90 degree

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( I am not so sure but I think this is the answer )

3 0
3 years ago
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