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3 years ago

Kyra has a recipe that calls for 1.5 cups of sugar for 16 slices of cake. If she needs to serve

Mathematics

1 answer:

worty [1.4K]3 years ago

3 0

Answer:

what are the options for the question?

Step-by-step explanation:

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The length of a rectangle is 1 less than twice the width.

vladimir1956 [14]

$w-width\\2w-1-length\\w(2w-1)=2w^2-w-the\ area\\28\ ft^2-the\ area\\\\\text{The equation:}\\\\2w^2-w=28\qquad\text{subtract 28 from both sides}\\\\2w^2-w-28=0\\\\2w^2-8w+7w-28=0\\\\2w(w-4)+7(w-4)=0\\\\(w-4)(2w+7)=0\iff w-4=0\ \vee\ 2w+7=0\\\\w-4=0\qquad\text{add 4 to both sides}\\\boxed{w=4}\\\\2w+7=0\qquad\text{subtract 7 from both sides}\\2w=-7\qquad\text{divide both sides by 2}\\w=-3.5$

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3 years ago

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What are the domain and the range of this function?

Pani-rosa [81]

Answer:

(1,5) (-5,-4)

Step-by-step explanation:

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3 years ago

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A survey found that 3 out of 100 randomly selected people have red hair. How many people in a group of 12,000 randomly selected

kirza4 [7]

Answer:

360 people out of 1200 are likely to have red hair.

Step-by-step explanation:

So I just saw that 100 x 120 equals 1200. So I just need to multiply 3 x 120 and I got 360. I think this is how to solve?

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2 years ago

Please help!!!!!!!!!!

Ipatiy [6.2K]

You should get the app "photomath" that will help out alot!!!

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4 years ago

Pls help pls pls ): precalc

Lena [83]

<h3>Answer: Choice A</h3>

$\log_p N = b$ is not the same as $b^p = N$

The base of the log is p, while the base of the exponential is b. The two don't match. If it said $\log_p N = b \text{ is the same as } p^b = N$ then it would be a valid statement since the bases are both p.

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Extra info:

Choice B is a valid statement because Ln is a natural log with base 'e'

Choice C is valid as any square root is really something to the 1/2 power

Choice D is valid for similar reasons mentioned earlier

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3 years ago

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