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Nuetrik [128]
3 years ago
15

Find the value of each variable 4y 3x 8 12​

Mathematics
1 answer:
Scilla [17]3 years ago
5 0

Answer:

4x812y3

Step-by-step explanation:

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A different class has 285 students, and 51.2% of them are men. how many men are in the class?​
Zanzabum

Answer:

146

Step-by-step explanation:

Get a percent calculator, Then, you put 51.2% of 285 and you actually get 145.96 but the rounded of what you need is 146

6 0
3 years ago
John read the first 114 pages of the novel, which was 3 less than 1/3 of the novel
Nastasia [14]
Let p = total pages in the book 
<span>114 pages of a novel which was 3 pages less than 1/3 </span>
<span>114 was 1/3 total pages - 3 pages </span>
<span>114 = 1/3p - 3</span>
6 0
3 years ago
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A point is a ______.
Ksju [112]
A point is a geometry figure named with lowercase letters (I'm pretty sure)
6 0
3 years ago
Given: cosθ= -4/5 , sin x = -12/13 , θ is in the third quadrant, and x is in the fourth quadrant; evaluate tan 1/2 θ
mrs_skeptik [129]

Answer:

Step-by-step explanation:

If you're looking for what the half angle of the tangent of theta is, I'm a bit confused as to why you think the angle in the 4th quadrant, x, is relevant.  But maybe you don't know it isn't and it's a "trick" to throw you off.  Hmm...

Anyways, the half angle identity for tangent is

tan(\frac{\theta}{2})=\frac{sin\theta}{1+cos\theta}

There are actually 3 identities for the tangent of a half angle, but this one works just as well as either of the others do, so I'm going with this one.  

If theta is in QIII, the value of -4 goes along the x axis and the hypotenuse is 5.  That makes the missing side, by Pythagorean's Theorem, -3.  Filling in our formula:

tan(\frac{\theta}{2})=\frac{-\frac{3}{5} }{1+(-\frac{4}{5}) } which simplifies a bit to

tan(\frac{\theta}{2})=\frac{-\frac{3}{5} }{\frac{5}{5} -\frac{4}{5} }  and a bit more to

tan(\frac{\theta}{2})=\frac{-\frac{3}{5} }{\frac{1}{5} }

Bring up the lower fraction and flip it to divide to get

tan(\frac{\theta}{2})=-\frac{3}{5}*\frac{5}{1} which of course simplifies to

-3.  Choice A.

6 0
3 years ago
HELP ME!!!!! I really need the answer to this!!!!!!!
larisa86 [58]

Answer:

12x^8y^8

Step-by-step explanation:

taking numbers in one side and multiplying and taking the variables in other sides and adding the power

5 0
2 years ago
Read 2 more answers
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