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2 years ago

What is the mad of 45.1

Mathematics

1 answer:

Tems11 [23]2 years ago

5 0

Answer:

45.10

Step-by-step explanation:

i looked it up and thats what it said

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A total of 1 232 students have taken a course in Spanish, 879 have taken a course in French, and 114 have taken a course in Russ

ElenaW [278]

Answer:

$n(S\cap F \cap R)=7$

Step-by-step explanation:

The Universal Set, n(U)=2092

$n(S)=1232\\n(F)=879\\n(R)=114$

$n(S\cap R)=23\\n(S\cap F)=103\\n(F\cap R)=14$

Let the number who take all three subjects, $n(S\cap F \cap R)=x$

Note that in the Venn Diagram, we have subtracted $n(S\cap F \cap R)=x$ from each of the intersection of two sets.

The next step is to determine the number of students who study only each of the courses.

$n(S\:only)=1232-[103-x+x+23-x]=1106+x\\n(F\: only)=879-[103-x+x+14-x]=762+x\\n(R\:only)=114-[23-x+x+14-x]=77+x$

These values are substituted in the second Venn diagram

Adding up all the values

2092=[1106+x]+[103-x]+x+[23-x]+[762+x]+[14-x]+[77+x]

2092=2085+x

x=2092-2085

x=7

The number of students who have taken courses in all three subjects, $n(S\cap F \cap R)=7$

3 0

3 years ago

What is the next number in the sequence 1,2,3,5,8,13,21,?

soldier1979 [14.2K]

The next number in the sequence is 34. as you add the previous two numbers to get the next.

5 0

3 years ago

A cylinder has a base radius of 9m and a height of 14m. What is its volume in cubic m, to the nearest tenths place?

Alik [6]

2544.69m^3 sorry i don’t know to the nearest tenth place :(

8 0

3 years ago

When factored completely, what are the factors of 4x^2-16 ?

Semmy [17]

$Use:a^2-b^2=(a-b)(a+b)\\\\4x^2-16=4(x^2-4)=4(x^2-2^2)=\boxed{4(x-2)(x+2)}$

8 0

2 years ago

Read 2 more answers

What is the quotient of 7.5 and 2.4

Liono4ka [1.6K]

Answer/Work:
7.5 divided by 2.4 is
equivalent to 75 divided by 24,
7.5/2.4 = 75/24 =3.125
calculating 3 decimal places.

Your answer is 3.125

3 0

3 years ago