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3 years ago

Plz help me I have been stuck on this for soo long plzz! Well mark brainliest ONLY if u are correct!

Mathematics

1 answer:

algol133 years ago

8 0

Answer:

Exact Form:

85/24

Decimal Form:

3.5416

Mixed Number Form:

3 13/24

Step-by-step explanation:

hope it helped and good luck

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Factor completely 3x(x + 2) + 4(x + 2). (1 point) (x + 2)(7x)

Nezavi [6.7K]

ANSWER

$(x + 2)(3x + 4)$

EXPLANATION

The given expression is

$3x(x + 2) + 4(x + 2)$

We can see that (x+2) is the greatest common factor.

We factor to obtain;

$(x + 2)( 3x + 4)$

The correct choice is C.

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3 years ago

What is the exact value of tan 30° ? Enter your answer, as a simplified fraction, in the box.

Romashka [77]

Hmmm if you don't have a Unit Circle, this is a good time to get one, many you can find online. Anyhow, check your unit circle for cos(30°) and sin(30°).

$\bf tan(\theta)=\cfrac{sin(\theta)}{cos(\theta)}\qquad \qquad tan(30^o)=\cfrac{sin(30^o)}{cos(30^o)}
\\\\\\
tan(30^o)=\cfrac{\quad \frac{1}{2}\quad }{\frac{\sqrt{3}}{2}}\implies tan(30^o)=\cfrac{1}{2}\cdot \cfrac{2}{\sqrt{3}}\implies tan(30^o)=\cfrac{1}{\sqrt{3}}
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\stackrel{\textit{and now if we rationalize the denominator}}{\cfrac{1}{\sqrt{3}}\cdot \cfrac{\sqrt{3}}{\sqrt{3}}\implies \cfrac{\sqrt{3}}{(\sqrt{3})^2}\implies \cfrac{\sqrt{3}}{3}}$

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3 years ago

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Answer:

Area for a circle is

Step-by-step explanation:

=pi*r^2

=22/7*r^2

#Hope it helps uh

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Can I have help with 42?

Sphinxa [80]

#42.
14n - 32 = 22
add 32 to both sides
14n - 32 + 32 = 22 + 32
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divide both sides by 14
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KatRina [158]

Answer:

Hey! I believe this is your answer:

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Step-by-step explanation:

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