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Inessa [10]
3 years ago
7

If you do not have equal coefficients for both variables, can you

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

Multiply one eqution so that they are same.

For example:

2x+17y+48=0

x+8y-6=0    --> multiply 2 times, so  2x+16y-12=0

and now you can use it as if they are coefficients for both variables

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A coat cost $ 131.61 with 9.5% sales tax
marysya [2.9K]

Calculating Total Cost. Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost. Multiply retail price by tax rate

Let's say you're buying a $100 item with a sales tax of 5%. Your math would be simply: [cost of the item] x [percentage as a decimal] = [sales tax]. That's $100 x .

6 0
3 years ago
A card is drawn at random from a well-shuffled deck of 52 cards. what is the probability of drawing a face card or a spade?​
Yuliya22 [10]

Answer:

2/5 or 2:5

Step-by-step explanation:

Face Card:

The face cards in a deck are the Jack, Queen, and King. There are 4 of each card (1 in each suit), for a total of 12 face cards.

Spade:

1/4 of all the cards in a deck are spades, so 52/4= 13 spades.

When added, the numerator of the probability is 25, however, because the Jack, Queen, and King of Spades are duplicated, we have to subtract 3.

25-3=22

22/55

when simplified: 2/5

6 0
3 years ago
Read 2 more answers
Solve the equation 3(x + 1) − 2 = x + 5. Question 12 options: x = 2 x = 3 x = 4 x = 3.5
svlad2 [7]

x = 2

Step-by-step explanation:

3(x + 1) - 2 = x + 5

3x + 3 - 2 = x + 5

3x + 1 = x + 5

3x - x = 5 - 1

2x = 4

x = 4 / 2

x = 2

6 0
2 years ago
The box plots show the average wind speeds, in miles per hour, for two different islands.
lutik1710 [3]

*see attachement.

Answer:

Country A because it has a smaller interquartile range

Step-by-step explanation:

A smaller interquartile range connotes that the data in the distribution do not vary much, while a larger interquartile range would suggest the data vary much.

Therefore, the island that would have an average speed close to its median would be the island whose interquartile range is smaller.

Thus, Country A has a smaller interquartile range, so therefore, it would have a daily wind speed close to its median.

6 0
3 years ago
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I don't quite understand this scatter plot <br>​
Vikentia [17]
1/2 2&/ 272728182 1/679
6 0
3 years ago
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