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kolezko [41]
3 years ago
13

Which is the solution to the system of equations?

Mathematics
1 answer:
Simora [160]3 years ago
7 0

Answer:

D. (2, -3/4)

Step-by-step explanation:

Using the substitution method:

-5x+4(1/8x-1)=-13

-5x+0.5x-4=-13

-4.5x/4.5=-9/4.5

-x=-2

x=2

You are supposed to replace 2 in the first equation now but as there is no other option with x value of 2 D is the answer.

If continued:

-5(2)+4y=-13

-10+4y=-13

4y=-3

y=-3/4

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If the ratio of blue marbles to red is 9:4 what is possible number of blue and red marbles in the jar
LuckyWell [14K]

Answer:

13

Step-by-step explanation:

13 right? all ya gotta do is add em together right?

5 0
3 years ago
Two numbers have a sum of 527 and a difference of 195. What is the smaller of the two numbers?
Vesnalui [34]

Answer:

166

Step-by-step explanation:

let two numbers be x and y

according to question,

x+y=527..........equation 1

x-y=195...........equation 2

add both the equations you will get

x=361 and y= 166

So the smaller of two numbers is y=166

7 0
3 years ago
Read 2 more answers
What values do you need to know to create a box plot? Select all that apply.
Papessa [141]

Answer:

The values you need to know to create a box plot are:

lower quartile ⇒ 2nd

maximum value  ⇒ 3rd

median ⇒ 5th

Step-by-step explanation:

Box plots is a type of graph that can help to organize data.

To graph a box plot the following data points must be calculated:

  • The minimum value ⇒ least value
  • The first quartile ⇒ lower quartile (the middle of the data before the median)
  • The median ⇒ the middle value of the arranged data from smallest to greatest
  • The third quartile ⇒ upper quartile (the middle of the data after the median)
  • The maximum value ⇒ greatest value

After you make the box plot graph, you can display and compare distributions of data

Let us answer the question

The values you need to know to create a box plot are:

lower quartile ⇒ 2nd

maximum value  ⇒ 3rd

median ⇒ 5th

5 0
3 years ago
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a sneaker with a mark price of $1000 was offered at a discount of 8% for paying cash if someone paid cash for the sneakers how m
sergeinik [125]

Answer:

920

Step-by-step explanation:

8% of 1000 is 80

1000 - 80 = 920

8 0
3 years ago
What are the two types of probability​
Ray Of Light [21]

Answer:

The two "types of probability" are: 1) interpretation by ratios, classical interpretation; interpretation by success, frequentist interpretation. The third one is called subjective interpretation.

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3 years ago
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