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STALIN [3.7K]
3 years ago
5

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

Mathematics
2 answers:
mamaluj [8]3 years ago
7 0
33: 21 ...........................................
mote1985 [20]3 years ago
6 0
Your answer is 21:33
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MrMuchimi

Answer:

elimination

Step-by-step explanation:

3 0
3 years ago
Weekly wages at a certain factory are
fiasKO [112]

Answer:

0.34134

Step-by-step explanation:

in other to solve for this question we would be using the z score formula

z = (x - μ) / σ

x = raw score

μ = mean

σ = standard deviation

the question tells us to find the probability that a worker selected at random makes between $350 and $400

let x1 = 350 and x2= 400 with the mean μ = 400 and standard deviation σ = $50.

z1 = (x1 - μ) / σ = (350-400) / 50 = -1

z2 = (x2 - μ) / σ = (400 - 400) / 50 = (0/50) = 0

from tables, P(z <= -1) = 0.15866

P(z <= 0) = 0.5

then the probability would give us, P(-1 ≤ z ≤ 0) =0.5 - 0.15866 =

0.34134

that explains that the probability that a worker selected at random makes between $350 and $400 = 0.34134

5 0
3 years ago
An atom has 24 protons and 12 neutrons what is the chemical symbol for the atom?
kykrilka [37]

<u>Answer:</u>

The element is Chromium.

<u>Explanation:</u>

The atom has 24 protons and 12 neutrons.

We know that Cr has 24 number of protons, to the Chemical is Cr (Chromium)

Again, we know that the atomic number is the number of protons and the atomic mass is the sum of proton and neutron.

So, the atomic number is 24 and the atomic mass is (24+12)= 36

Therefore, the symbol is \bold^{36} \mathrm{Cr}_{24}\bold

4 0
3 years ago
What’s the answer???
Aleonysh [2.5K]

Answer:

the answer is a

you can subsitute or work backwards

6 0
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Convert -3(4+7) to word statements
Alex787 [66]

Answer:

-14

Step-by-step explanation:

4+7=11 so therefore -3-11=-14

3 0
3 years ago
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