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4 years ago

What is the factorization of 2x^2+5x+3

Mathematics

1 answer:

nataly862011 [7]4 years ago

3 0

Answer:

The answer is

Step-by-step explanation:

<u>Write 5x as a sum</u>

2x² + 2x + 3x + 3

Factorize x out

That's

2x ( x + 1) + 3( x + 1)

The final answer is

(2x + 3)(x + 1)

Hope this helps you.

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Simply (tan^2 x - sec^2 x)(sin^2 x + cos^2 x)

kati45 [8]

we can use pythagorean identieis

remember that $sin^2(x)+cos^2(x)=1$

also remember that $tan(x)=\frac{sin(x)}{cos{x}}$ and $sec(x)=\frac{1}{cos(x)}$

so if we take $sin^2(x)+cos^2(x)=1$ and divide both sides by $cos^2(x)$ we get

$\frac{sin^2(x)}{cos^2(x)}+\frac{cos^2(x)}{cos^2(x)}=\frac{1}{cos^2(x)}$

$(\frac{sin(x)}{cos(x)})^2+1=(\frac{1}{cos(x)})^2$

$tan^2(x)+1=sec^2(x)$

subtracting $1+sec^2(x)$ from both sides

$tan^2(x)-sec^2(x)=-1$

now subsitute into original problem

$\frac{tan^2(x)-sec^2(x)}{sin^2(x)+cos^2(x)}=$

$\frac{-1}{1}=$

$-1$

the answer is -1

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3 years ago

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djyliett [7]

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Brainliest please.

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3 years ago

Evaluate for the given value of the variable 7/8 x c for c = 8

fredd [130]

Substitute 8 for c.
7/8 times 8 equals 7.
To multiply a fraction by a full number, multiply the numerator to get 56/8 and then preform the division to get 7.
In this case, the decimal and the multiplication cancel each other out since they're both 8.

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3 years ago

Billy estimates that they will sell approximately 250 burgers thisweekend how much burger meat and fries (in pounds) should he o

arsen [322]

Answer:

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Step-by-step explanation:

Since the question gives us an approximation of 250 burgers, we can round the number to 300. This is only because they had a estimation of 250 and would like to be prepared for the weekend. Being prepared would consist of ordering more than expected to make sure the burgers do not run out.

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daser333 [38]

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4 years ago