3 years ago

I need help pleaseee its due in 10 min

Mathematics

2 answers:

Alborosie3 years ago

6 0

What do you looking for?

MrRa [10]3 years ago

3 0

Answer:

What do you need help with?

Step-by-step explanation:

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110 freshmen participated in sports or clubs or both. 55 are involved in sports and 68 are involved in clubs. How many students

Varvara68 [4.7K]

Answer: 42

Step-by-step explanation:

Let A represents the number of freshmen participated in sports and B represents the number of freshmen participated in clubs.

Then , we have given that

$n(A)=55\\\\n(B)=68\\\\n(A\cup B)=110$

Using formula

$n(A\cup B)=n(A)+n(B)-n(A\cap B)$

We have,

$110=55+68-n(A\cap B)\\\\\Rightarrow\ n(A\cap B)=123-110=13$

Now, the number of students are involved in just sports is given by :-

$n(A)-n(A\cap B)=55-13=42$

Hence, 42 students are involved in just sports.

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3 years ago

At the book store, you purchased some $3 clearance mystery books and $8

nasty-shy [4]

Answer:

15 of $3 books and 4 of the $8 books

Step-by-step explanation:

15×3= 45

8 × 4= 34

45+32= 77

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3 years ago

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Games are $25 each, and Caleb has $125 to spend. How many games can Caleb buy if he uses all his money?

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He can buy 5 games.

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Can some one plz help me?

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Volume = base area x height

Base area = 6 (1/2 x 3 x 2.6) = 23.4 cm²

Volume = 23.4 x 7 = 164 cm³ (nearest wole number)

Answer: Volume = 164 cm³

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