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vivado [14]
3 years ago
12

What is the area of the composite figure?

Mathematics
1 answer:
sasho [114]3 years ago
8 0

Answer:

59.5

Step-by-step explanation:

(7x7) + (7x3)/2

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Divide four by four first
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3 years ago
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Evaluate 5x3 - 21 + 7 when x = -2.
Sliva [168]

Answer:

26

Step-by-step explanation:

5x³ - 21 + 7

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then:

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Seth just opened a checking account. His account includes an ATM card. What will he NOT be able to do with his card?    
OverLord2011 [107]

Answer:

Option a

Step-by-step explanation:

Given that Seth just opened a checking account. His account includes an ATM card.

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c) he can give the card with pin in any shop to purchase an item instead of paying cash.

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6 0
3 years ago
In the game of Keno, a player starts by selecting 20 numbers from the numbers 1 to 80. After the player makes his selections, 20
DiKsa [7]

The percentage of winning if 20 winning numbers are randomly selected from numbers 1 to 80 is 12.48%.

Given There are 80 numbers from which 20 numbers are selected randomly in a game of Keno by player and after selection of 20 winning numbers again 20 numbers are selected and player wins if the player has correctly selected 3,4,or 5 of the 20 winning numbers.

Probability is the chance of happening an event among all the events possible.

Probability of winning is calculated as under:

Probability=C(20,3)C(60,17)/C(80,20)

We have taken C(20,3) because player will win if 5 numbers are selected from 20 winning numbers.

We have taken C(60,17) because after selection of 20 numbers 60 numbers will left from 80 and after winning from 3 numbers 17  numbers left and from total 80, 20 numbers are taken.

=C(20,3)C(60,17)/C(80,20)

=(20!/3!17!  * 60!/17!43!)/80!/20!60!

=1140*387221678682300/35353161422121743200

=12.48%

Hence the probability of winning is 12.48%.

Learn more about probability at brainly.com/question/24756209

#SPJ4

5 0
1 year ago
Round to 0, 1/2, or 1<br><br> 12/15 rounds to
Korvikt [17]
Question is confusing but 12/15 divides to 4/5 or rounds to 1
8 0
3 years ago
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