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borishaifa [10]
3 years ago
7

What is the important variable in the problem?

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
8 0

Answer:

3

Step-by-step explanation:

each friend would have 3 pizzas

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The least common multiple of 20,24 and 45 is
Murljashka [212]

Answer: hope this helps

Step-by-step explanation: 360

7 0
3 years ago
The number of books donated to a library is increasing by 25% each month. Initially, there were 80 books donated to the library.
mamaluj [8]

Answer: 745

Step-by-step explanation: if there were initialy 80 books and its increasing by 25% every month, for month 1 we have:

25% = 0,25

increase is 1+0.25

M1 = 80.(1+0.25)¹ = 80.1.25 = 100

M10 = 80 (1+0.25)¹⁰ = 80. 9.313225 = 745.05 (end of the month)

6 0
3 years ago
Given that P(E) = 0.38, P(F) = 0.38, and P(E ∩ F) = 0.12. Find P(E ∪ F, how do I work this out?
natulia [17]

Answer: The value of P(E∪F) = 0.64.

Step-by-step explanation:

Since we have given that

P(E) = 0.38

P(F) = 0.38

P(E∩F) = 0.12

So, we need to find the P(E∪F).

As we know the formula for the sets.

P(E\cup F)=P(E)+P(F)-P(E\cap F)\\\\P(E\cup F)=0.38+0.38-0.12=0.64\\\\P(E\cup F)=0.64

Hence,the value of P(E∪F) = 0.64.

3 0
3 years ago
What is the measure of ZXZW?
ahrayia [7]

Answer:

Step-by-step explanation:

if you look inside the triangle,

you have one angle=65

the acute angle=180-150=30

<YZX=180-(65+30)=85

the angle <xzw is its supplement, 180-85=95

8 0
3 years ago
2/3y+1=1/6y+8 equals what
pickupchik [31]
Explanation:

2/3y+1=1/6y+8
Multiply both sides of the equation by 6 you get
4y+6=y+48


4y+6=y+48
Move variable to the left side and change its sign
4y-y+6=48


4y-y=48-6
Collect like terms
3y=48-6


3y=42
Divide both sides of the equation by 3 and your final answer is
y=14


You’re answer is: y=14 :)


8 0
3 years ago
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