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3 years ago

Solve 3x2 + 4x = −5.

Mathematics

2 answers:

erastova [34]3 years ago

3 0

Answer:

Step-by-step exExplanation:

Solve:

−

is a quadratic equation in standard form:

where:

−

Quadratic formula

−

√

−

Plug in the known values.

−

(

−

)

√

(

−

)

−

⋅

−

⋅

Simplify.

√

Prime factorize

√

Apply rule:

√

Simplify.

√

Solutions for

√

−

√

Related questions

How do you know how many solutions

−

has?

What is the Quadratic Formula?

planation:

baherus [9]3 years ago

3 0

Answer:

x= -11/4

Step-by-step explanation:

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There are 16 entrees available at a restaurant. From these, Archie is to choose 6 for his party. How many groups of 6 entrees ca

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Answer: 8008

Step-by-step explanation:

Total entrees = 16

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Since order does not matter , so we combinations .

Number of combinations to choose r things out of n = $C(n,r)=\dfrac{n!}{r!(n-r)!}$

Then, total ways to choose 6 entrees = $C(16,6)=\dfrac{16!}{6!10!}$

$=\dfrac{16\times15\times14\times13\times12\times11\times10!}{(720)10!}\\\\= 8008$

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1,125

Step-by-step explanation:

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Step-by-step explanation:

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Svetlanka [38]

1. The total of x and 29.

This is because we see addition going on, so x+29 is the total of something

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