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Step2247 [10]
2 years ago
15

What is another way to write 3x(4+5)=27

Mathematics
2 answers:
jarptica [38.1K]2 years ago
6 0

Answer:

x=1

Step-by-step explanation:

3x(4+5)=27, we can combine like terms and we have

3x * 9 = 27 , this is another way to write 3x(4+5)=27

 27x = 27,  this is another way to write 3x(4+5)=27

    x= 1, this is another way to write 3x(4+5)=27

san4es73 [151]2 years ago
4 0

Answer:

12x+15x=27 or

27x=27

or x=1

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Estimate 1 5/5 plus 2 2/12
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I estimate bruh.

Step-by-step explanation:

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x = 60

Step-by-step explanation:

The sum of exterior angles in a rectangle is equal to 360

so to find the value of x we need to use all given values and write an equation:

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Which rational graph has a minimum near x=-2 and a horizontal asymptote at y=1?
Arada [10]

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Graph A.

Step-by-step explanation:

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The classroom outside bag had 5 frisbees in it. If 25% of the outside toys are frisbees, then how many total toys are in the bag
malfutka [58]
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8 0
1 year 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
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