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3 years ago

Which expression has the greatest value?

Mathematics

1 answer:

yulyashka [42]3 years ago

3 0

the answer is c you just have to solve each one

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10 girls go to see a chick flick together on a Friday night at their local megaplex. They buy x large popcorns and y large fount

oee [108]

Answer:

Step-by-step explanation:

7 0

2 years ago

Write an expression of the calculation of the products of five and two and five and one

lana [24]

(5)(2)(5)(1) could be an answer

4 0

3 years ago

Find the unknown. = (65 × 3) + 9

alekssr [168]

Answer:

204

Step-by-step explanation:

Following the order of operations, what is within the parenthesis is solved first.

65 x 3 = 195

Then, you add 9 to 195.

195 + 9 = 204

204 is the final answer.

Have a nice day! ^-^

5 0

3 years ago

Which is not Equivalent to 3:5 A.30:50 B.21:28 C:15:28 D.9:15

kirza4 [7]

Answer:

Step-by-step explanation:

Since 21 is divided by 3 you might think that it is equivalent but remeber you have to divide by both sides, so if you divide 21 by 7 it works but 28 by seven does not! Hope this helps!

3 0

2 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