3 years ago

Simplify fully 13/2x-5/x

Mathematics

1 answer:

Vaselesa [24]3 years ago

5 0

Answer:

13x2−10/2 is your answer

Step-by-step explanation:

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What does 4 tens and 10 ones represent?

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Answer:

Step-by-step explanation:

Step 1:

40 + 10

Answer:

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3 years ago

A health club manager wants to determine whether the members would prefer a new sauna or a new steam room. The club surveys 50 o

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3 years ago

Use the confidence interval to find the margin of error and the sample mean (0.118,0.220)

malfutka [58]

Answer:

μ = 0.169

ME = 0.051

Step-by-step explanation:

The confidence interval is:

CI = μ ± ME

So the mean is the middle of the confidence interval, and the margin of error is half the difference.

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4 years ago

Show that tanø+Cotø = Secø Cosecø

LiRa [457]

Answer:

True.

Keys:

Manipulate left/right sides

Step-by-step explanation:

$\tan \left(\theta\right)+\cot \left(\theta\right)=\sec \left(\theta\right)\csc \left(\theta\right)\\\tan \left(\theta\right)+\cot \left(\theta\right)\\=\frac{\cos ^2\left(\theta\right)+\sin ^2\left(\theta\right)}{\cos \left(\theta\right)\sin \left(\theta\right)}\\=\frac{1}{\cos \left(\theta\right)\sin \left(\theta\right)}\\\\\sec \left(\theta\right)\csc \left(\theta\right)\\=\frac{1}{\cos \left(\theta\right)\sin \left(\theta\right)}$

What was shown throughout this problem?

We showed that two different sides are capable of taking the same form.

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2 years ago

Which shows the graph of a solution set of y>-1/2x–3

garri49 [273]

$y > -\dfrac{1}{2}x-3\\\\y=-\dfrac{1}{2}x-3\\\\for\ x=0\to y=-\dfrac{1}{2}\cdot0-3=3\to(0; -3)\\\\for\ x=-6\to y=-\dfrac{1}{2}\cdot(-6)-3=3-3=0\to(-6;\ 0)$

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3 years ago

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