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harina [27]
3 years ago
13

Randomly distributing 45 pencils and 35 markers to his students. what is the probability that the first item he hands out will

Mathematics
1 answer:
Dominik [7]3 years ago
3 0
If he hands out pencils will be 45/80 =
If he hands out markers will be 35/80
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PLEASE HELP!!!!
grandymaker [24]
10 is 20 degrees

11 is 180-145= 35 degrees

12, so the way you do it is by the fact that one opposite exterior angle is equal to two interior angles, so 40+46= 86 degrees.

8 is 86-35= 51 degrees

9 is 29 plus 62 equals 91 degrees.

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3 0
3 years ago
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9/15+2/5 need help adding fractions
GenaCL600 [577]

Answer:

15/15 aka 1

Step-by-step explanation:

9/15 and 2/5

keep the 9/15 and then denominator the bottom number has to be the same as the first one so multiply 5 times 3 to get 15 whatever you do to the bottom you have to do to the top so 2 times 3 equals 6.

9/15 and 6/15

9+6 equals 15

15/15 which then equals 1

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3 years ago
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Last week, Chen bought ​ 8 1/2 ​ gallons of gas at $2.30 per gallon. This week, he bought ​ 4 3/10 ​ gallons of gas at $2.70 per
kompoz [17]
I got $31.25 it might be wrong i used a calculator.

5 0
4 years ago
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Find the product of (-4+11i)(-5-8i)
Ludmilka [50]
20+32i-55i+88
108-23i
7 0
3 years ago
On a certain hot​ summer's day, 340 people used the public swimming pool. The daily prices are $1.25 for children and $2.25 for
UkoKoshka [18]

Answer:

Number of children = x = 88

Number of Adults = y = 252

Step-by-step explanation:

Let us represent:

Number of children = x

Number of Adults = y

On a certain hot​ summer's day, 340 people used the public swimming pool.

Hence:

x + y = 340..... Equation 1

x = 340 - y

The daily prices are $1.25 for children and $2.25 for adults. The receipts for admission totaled $677.00.

$1.25 × x + $2.25 × y =$ 677

1.25x + 2.25y = 677..... Equation 2

Let us substitute: 340 - y for x in Equation 2

1.25(340 - y) + 2.25y = 677

= 425 - 1.25y + 2.25y = 677

Collect like terms

- 1.25y + 2.25y = 677 - 425

1y = 252

y = 252

Solving for x

x = 340 - y

x = 340 - 252

x = 88

Therefore the number of children and adults that swam at the public pool that​ day are: 88 children and 252 Adults.e

3 0
3 years ago
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