3 years ago

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Mathematics

2 answers:

Alex787 [66]3 years ago

5 0

Answer:

$\frac{3}{8}$

Step-by-step explanation:

olga_2 [115]3 years ago

3 0

Answer:

I think a is corrcet

Step-by-step explanation:

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Which of the binomials below is a factor of this trinomial?<br> 4x2 + 21x + 5

guapka [62]

Answer:

B. 4x + 1

Step-by-step explanation:

4x^2 + 21x + 5

= (4x + 1)(x + 5)

Factors of this trinomial are (4x + 1) and (x + 5)

Answer

(4x + 1)

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3 years ago

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svetlana [45]

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3 years ago

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4 years ago

Solve c =(a² + 3b)/4 for b.<br><br>Bruv take all my points I literally blow at math :'(

Sati [7]

Answer:

$b=\frac{4c-a^{2} }{3}$

Step-by-step explanation:

First: multiply both sides by 4. 4 times c is 4c and the other sides cancels out as you are doing the inverse operation of division

Then, you have $4c=a^{2} +3b$

Subtract both sides by a squared

DO NOT TAKE THE SQUARE ROOT! This is because it is a squared plus 3b so you have to do the inverse of addition

From that you get $4c-a^{2} =3b$

Finally, divide both sides by 3.

You get $b=\frac{4c-a^{2} }{3}$

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4 years ago