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vodka [1.7K]
3 years ago
5

Each day the chill canteen meal can be 1 of three things. The probability that it is pizza is 0.3. The probability that it is cu

rry is 0.42. What is the probability that it is pasta
Mathematics
2 answers:
guajiro [1.7K]3 years ago
5 0

<h2> 1 - 0.3 - 0.42</h2><h2>= 0.28</h2>

hope you understand.

Dima020 [189]3 years ago
4 0

Its 1-0.3-0.42=0.28.

Hope this helps.

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What is the molarity of a solution
Vika [28.1K]

Answer:

0.670. M

Step-by-step explanation:

Molarity can be expressed like this:

molarity =  number of moles /volume (L)

We know the volume, which is  2.37 L , but we need to find the number of moles. We can do this by dividing  67.3 g  by the molar mass of  L i C l :

number of moles  = mass of sample /molar mass

number of moles  =  67.3 g /(6.94 + 35.45) g/mol  = 67.3 g /42.39 g/mol

number of moles = 1.59 mol

molarity = 1.59 mol /2.37 L =  0.670. M

7 0
2 years ago
What are the the factors of 21x squared cause I can't find it
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6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP! What are the solutions to the system of equations?
musickatia [10]
Y=2x

so what you do is sub 2x for y in the top equation

x^2+(2x)^2=5
x^2+4x^2=5
5x^2=5
divide both sides by 5
x^2=1
sqrt both sides
x=1 or -1

sub back

y=2x

y=2(-1)
y=-2

y=2(1)
y=2


the solutions are (1,2) and (-1,-2)
8 0
3 years ago
Find the range of the given data set. 5/8, 3/4, 1 1/8, 1 1/4 A)5/8 B)3/4 C)1 1/8
rodikova [14]

Answer:

A)5/8

Step-by-step explanation:

  • <em>The range of a set of data is the difference between the highest and lowest values in the set. </em>

<u>Given data set:</u>

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<u>Rewriting the data set in the same denominator to compare:</u>

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So, the range of the given data set is 5/8

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6 0
3 years ago
Some teenagers collected trash for a beach clean-up. The data for the number of pounds of trash collected by each teenager are s
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The range of the data is 15
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