Which expressions are equivalent to 18x - 6? Select all that apply.

Mathematics

1 answer:

Step2247 [10]3 years ago

8 0

If the first one is
2(9x-3)
Then it’s that one but if not then I would say
12x-6-6x

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morpeh [17]

Answer:

${ \sf{( \sec \theta - \csc \theta)(1 + \tan \theta + \cot \theta) }} \\ = { \sf{( \sec \theta + \tan \theta \sec \theta + \cot \theta \sec \theta) - ( \csc \theta - \csc \theta \tan \theta - \csc \theta \cot \theta)}} \\ = { \sf{( \sec \theta + \sec \theta \tan \theta + \csc \theta) - ( \csc \theta - \sec \theta - \csc \theta \cot \theta)}} \\ = { \sf{ \sec \theta \tan \theta + \csc \theta \cot \theta }} \\ { \bf{hence \: proved}}$

3 0

3 years ago

What is the answer to -1/2+5/4?

babunello [35]

Answer:

3/4

Step-by-step explanation:

6 0

3 years ago

417.80+350+150+5.25-(215.85-i)=555.82

motikmotik

583.08 is the answer

4 0

4 years ago

Read 2 more answers

I just need like a step by step I haven't understood what my teacher has taught me here

motikmotik

You are trying to find the side between the right angle and the degree (This is known as the adjacent)
You are given degree 42
You also given the longest side of 19 (This is known as the hypothenuse)
Cosine: adjacent/hypothenuse
Cos42 = x/19
0.7431448255 = x/19
x = 19 * 0.7431448255
x = 14.11975168, round to tenth

Solution: x = 14.1

7 0

3 years ago

If $60 is the original price and $9 is the amount discount what is 15% of the original price

pantera1 [17]

I'm kinda confused by this question, but, If $60 is the original price, and you want to know what 15% of the original price ($60) is.. It would be $9, the "amount discount".

If this isn't the answer you wanted please tell me and explain the question a bit more to me if you can and I will try my best to help.

Thank you.

8 0

3 years ago