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MArishka [77]
3 years ago
11

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 rows of the same length, he has 11 chairs left o

ver. If he arranges the chairs in 7 rows of that same length, he has 21 left over. How many chairs does Liam have?
Mathematics
2 answers:
prisoha [69]3 years ago
4 0

Answer:

48 :)

Step-by-step explanation:

FREE POINTS ON MY PAGE

uranmaximum [27]3 years ago
3 0
40 SHOULD BE THE RIGHT ANSWERRRR
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You pick a card at random from an ordinary deck of 52 cards. If the card is an ace, you get 9 points; if not, you lose 1 point.
Andreyy89

Answer:

a = 9\\b = 48\\c = -1

Step-by-step explanation:

We know that:

In a deck of 52 cards there are 4 aces.

Therefore the probability of obtaining an ace is:

P (x) = 4/52

The probability of not getting an ace is:

P ('x) = 1-4 / 52

P ('x) = 48/52

In this problem the number of aces obtained when extracting cards from the deck is a discrete random variable.

For a discrete random variable V, the expected value is defined as:

E(V) = VP(V)

Where V is the value that the random variable can take and P (V) is the probability that it takes that value.

We have the following equation for the expected value:

E(V) = \frac{4}{52}(a) + \frac{b}{52}(c)

In this problem the variable V can take the value V = 9 if an ace of the deck is obtained, with probability of 4/52, and can take the value V = -1 if an ace of the deck is not obtained, with a probability of 48 / 52

Therefore, expected value for V, the number of points obtained in the game is:

E(V) = \frac{4}{52}(9) + \frac{48}{52}(-1)

So:

a = 9\\b = 48\\c = -1

3 0
3 years ago
Read 2 more answers
Mike put 304 baseballs into 8 trash bins. He put the same number of baseballs in each bin. He took 5 trash bins of baseballs to
Solnce55 [7]

Answer:

190 Baseballs

Step-by-step explanation:

Since he put 304 baseballs into 8 trash cans with an equal amt. in each,

--> we do 304/8 to find how much baseballs we put in each

=> 304/8 = 38

Now, we takes 5 of these 38 trash cans filled with balls to the field

--> we would do <em>5 x 38 => 5 x 38 = 190</em>

and Thus, we have our answer of <u>190 baseballs</u>

Hope this helps!

3 0
3 years ago
Can someone help me without links or files<br> answer all the questions
aliina [53]

Answer:

#1: 10 bags

#2: 5 1/2 pounds

#3: 5 bags

Step-by-step explanation:

for number one you just count all the x

for number two I added all the pounds of the bags

for number 3 (im not sure if my answer was right for this one) theres only 5 x's on 1/2.  so I think the answer is 5.

7 0
3 years ago
I need these questions answered ASAP thx!!
Korvikt [17]

A) profit is 8$, the price increases 8$ every time or each pie is $4

B)N times 4= P

C) 15 times 4= $60 Profit. Because each pie is 4$

D) if 144$ are made and each pie is $4, you’d divide 144 by 4= 36. 36 Pies were sold.

I hope this is correct and helps :)

6 0
3 years ago
Picture Shown!
Mnenie [13.5K]

Answer:

0'=(0,3)

Step-by-step explanation:

P'=(-5+5,7-5)=(0,3)

3 0
3 years ago
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