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Mrrafil [7]
3 years ago
15

Keenan has 21 CDs and 33 DVDs. What is the ratio of DVDs to CDs?

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0
The answer is A 7:11
NikAS [45]3 years ago
5 0

Answer:

(91161)x05 {5.3 \sqr% \sec( \csc( \infty  \infty  \infty  \infty  \infty \pi\%\%\%e \cot( \cot( \sec(e \cot(\pi ln() ) ) ) ) ) ) }{ \\  \\  \\  \\  \\  \\ } ) ) ) | | }{?} ]{?}  \times \frac{?}{?} }^{2}

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What is ∣x − 2∣ = ∣4 + x∣?
DIA [1.3K]

Answer:

x = -1

Step-by-step explanation:

<h2><u>I</u><u> </u><u>think</u><u> </u><u>.</u><u>.</u><u>.</u></h2>

<u>sorry</u><u> </u><u>if</u><u> </u><u>I'm</u><u> </u><u>wrong</u>

7 0
3 years ago
The sum of two complex numbers is −3 + 5i. If one of the complex numbers is 1−8i, which answer choice below is the other number?
AnnyKZ [126]

Answer:

C

Solution

For a complex number written in the form a + bi, a is called the real part of the complex number and b is called the imaginary part. The sum of two complex numbers, a + bi and c + di, is found by adding real parts and imaginary parts, respectively, that is, (a + bi) + (c + di) = (a + c) + (b + d)i. Therefore, the sum of 2 + 3i and 4 + 8i is (2 + 4) + (3 + 8)i = 6 + 11i.

Choice A is incorrect and is the result of disregarding i and adding all parts of the two complex numbers together, 2 + 3 + 4 + 8 = 17. Choice B is incorrect and is the result of adding all parts of the two complex numbers together and multiplying the sum by i. Choice D is incorrect and is the result of multiplying the real parts and imaginary parts of the two complex numbers, (2)(4) = 8 and (3)(8) = 24, instead of adding those parts together.

6 0
3 years ago
Which information is necessary to solve this story problem? Sam had a total of 14 people at his skating party. The party lasted
vovikov84 [41]

Answer:

For the problem we have:

Sam had 14 people at the party.

The party lasted for 4 hours.

He paid $2 for each person's skate rental and 3 for each person's entry ticket.

Suppose we want to know how much Sam spent on the party.

But we do not know if the $2 of the skate rental are per hour or per two hours, or in total, for example, if the amount is per hour, then the total amount for each skate is $2*4 = $8, so in the case that the rental depends on the time, we can not solve this problem because we do not have enough information.

If the $2 are fixed (do not depend on the time that the party lasted) then the fact that the party lasted for 4 hours does not matter.

We can calculate as 14 persons* ($2 + $3) each = 14*$5 = $70, then you can see that in this case the 4 hours data is not necessary

4 0
3 years ago
Pls answer this simple question for brainly
eimsori [14]

Answer

The equation is already in slope intercept form so just graph it as you normally would.

Step-by-step explanation:

graph the -3x as a line the looks like this \ that goes through the +60. It should look like this

6 0
2 years ago
What numbers are mulitply and equals negative 30 and when add equals to negative 25
timofeeve [1]
This is impossible without getting a never ending decimal somewhere between 1.14 and 1.15.
3 0
4 years ago
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