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Svetlanka [38]
3 years ago
13

A proton represents a positive charge. Write an integer to represent 5 protons. An electron represents a negative charge. Write

an integer to represent 3 electrons.
Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer

Given,

proton represent positive charge                                    

the integer that will give the  representation of 5 protons will be equal to + 5

an electron represents negative charge                                            

the integer that will give the representation of 3 electrons will be equal to -3

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On a recent trip to the convenience store, you picked up 4 gallons of milk, 6 bottles of water and 5 snack size bags of chips. Y
cricket20 [7]

Answer:

Cost of a snack size bag of chips = $0.8

Cost of a water bottle = $1.6

Cost of a gallon of milk = $3.4

Step-by-step explanation:

Let the cost of water bottle = $a

Cost of 1 gallon milk = $b

and cost of 1 bag of chips = $c

So, cost of 4 gallons of milk, 6 bottles of water and 5 bags of chips = $(4b + 6a + 5c)

4b + 6a + 5c = 27.2 -----(1)

Cost of one water bottle = 2 × cost of one bag of chips

a = 2c -----(2)

A gallon of milk = cost of water bottle + $1.80

b = a + 1.8

From equation (2)

b = 2c + 1.8 -----(3)

Now we substitute these values from equations (2) and (3) in equation (1)

4(2c + 1.8) + 6(2c) + 5c = 27.2

8c + 7.2 + 12c + 5c = 27.2

25c = 27.2 - 7.2

c = \frac{20}{25}

c = $0.8

From equation (2)

a = 2×0.8

a = $1.6

From equation (3)

b = 2(0.8) + 1.8

b = 1.6 + 1.8

b = $3.4

Therefore, cost of a snack size bag of chips = $0.8

Cost of a water bottle = $1.6

Cost of a gallon of milk = $3.4

5 0
3 years ago
Choose the best reason for using the median as the measure of central tendency.
Alchen [17]

Answer:

The median is usually preferred in these situations because the value of the mean can be distorted by the outliers. However, it will depend on how influential the outliers are. If they do not significantly distort the mean, using the mean as the measure of central tendency will usually be preferred.

6 0
3 years ago
Simplify (7x−13)−(x+5)
igor_vitrenko [27]
Greetings!

Simplify.
(7x-13)-(x+5)
Distribute the Parenthesis.
7x-13-x-5
Combine Like Terms.
7x-x-13-5
6x-18

Hope this helps.
-Benjamin
5 0
3 years ago
Read 2 more answers
(27y^4-3y^3) /(3y) =
Rus_ich [418]
9y^3-y^2 is a required answer
7 0
3 years ago
The naturalist found 9 bright blue poisonous frogs in South America. Each frog weighed 3 grams. In all, how much did the 9 frogs
adell [148]

Answer: B) 27 grams in all

Step-by-step explanation:

Given: The weight of each bright blue poisonous frog = 3 grams

By using the multiplication operator (x)

Then, the weight of 9 such frogs  = 9 x (Weight of each frog)

⇒ The weight of  9 frogs  = 9 x 3 grams

⇒ The weight of  9 frogs  = 7 grams

Therefore, the correct option is B) 27 grams in all

3 0
2 years ago
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