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Airida [17]
3 years ago
13

there are 13 boys and 7 girls in a class. the tecaher selcts two students to run an errand. how many possible outcome are there

if she slects a boy followed by a girl?
Mathematics
1 answer:
NeX [460]3 years ago
5 0

13\cdot 7=91

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What is the value of b when the expression-6.2x + b is equivalent to -3.1(2x - 3)
Rudik [331]

Answer:

- 6.2x + b \equiv - 3.1(2x - 3) \\  - 6.2x + b =  - 6.2x + 9.3 \\ b = 9.3

8 0
2 years ago
The tickets for a dozen children to enter the amusement park cost $330. What was the price per ticket?​
Arte-miy333 [17]
27.5

Just divide 330 and 12 because 1 dozen is 12!
6 0
2 years ago
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The sum of two numbers is 18 the sum of greater numbers and twice the smaller numbers is 25 the numbers
Gnoma [55]

Answer:

  the numbers are 7 and 11

Step-by-step explanation:

If you add the smaller to the sum of numbers, you have the sum of the greater and twice the smaller. That is ...

  18 + smaller = 25

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  larger = 18 -7 = 11

The two numbers are 7 and 11.

_____

If you like, you can write two equations. Let x and y represent the smaller and larger numbers, respectively.

  x + y = 18

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Subtract the first equation from the second:

  (2x +y) -(x +y) = (25) -(18)

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7 0
3 years ago
What is the answer to -30x+100=-22x+140
harina [27]

Answer:

x=-5

Step-by-step explanation:

Add 22x to both sides: -8x+100=140

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5 0
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Lan Ventor designs a new board game and offers the design to Paddington Games p.l.c.
Andrej [43]

In order to make the offer attractive such that it would earn £25,000 for Ian Vector, Paddington Games would have to sell 460 games.

The game can be sold for £25,000 or for £2,000 and then a fee of £50 for every game sold.

In order for the amount to be the same, the amount from games sold will have to equal the difference between the £25,000 and the £2,000.

Difference is:

= 25,000 - 2,000

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The <u>number of games to be sold</u> is:

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= 23,000 / 50

= 460 games

In conclusion, 460 games need to be sold to make the offer attractive.

<em>Find out more at brainly.com/question/2865277.</em>

5 0
1 year ago
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