Select all equations that can result from adding these
two equations or subtracting one from the other.
equation 1: x + y = 12
equation 2: 3x - 5y = 4
(Select all that apply)

Select All Equations That Can Result From Adding Thesetwo Equations Or Subtracting One From The Other.equation

Answers

Answer 1

Answer:

Step-by-step explanation:

x + y = 12 ---------------(1)

3x - 5y = 4 --------------(2)

(1)*5 + (2) * 1 then,

5x + 3x = 60 + 4

8x = 64

x = 64/8

x = 8

from (1), 8 + y = 12

y = 4

apply(x,y)=(8,4) to these function.

-2x-4y = -32 no

-2x+6y=8 yes

like this

Answer 2

The required expression after the addition of the equations is  4x  - 4y = 16, and the expression after the subtracting of the equations is -2x +6y =  8.

Given that,
To select all equations that can result from adding these two equations or subtracting one from the other.

equation 1: x + y = 12
equation 2: 3x - 5y = 4

What is the equation?

The equation is the relationship between variables and is represented as y =ax +b is an example of a polynomial equation.

Here,
Addition
  x  +   y  = 12
+ 3x - 5y =  4
--------------------
 4x  - 4y  = 16

Subtraction,
  x  +  y  = 12
- (3x - 5y =  4)
--------------------
  x  +  y  = 12
- 3x + 5y = -4
---------------------
-2x + 6y = 8

Thus, the required expression after the addition of the equations is  4x  - 4y = 16, and the expression after the subtracting of the equations is -2x +6y =  8.

Learn more about the equation here:

brainly.com/question/10413253

#SPJ2


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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Answer:

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Step-by-step explanation:

Determine whether the graph represents a proportional relationship.

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Step-by-step explanation:

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Step-by-step explanation:

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

Answer:

Move the top left and right to the sides of the second to last row, then move the single circle from the bottom row to the top.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

because he has to travel from -6 back to 0 then from 0 to 7 which is 6+7=13

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Answers

Answer:

17 with a remainder of 25

Step-by-step explanation:

Carter was given a box of assorted chocolates for his birthday. Each night, Carter treated himself to some chocolates. Carter ate 5 chocolates each night and there were originally 30 chocolates in the box. Write an equation for C,C, in terms of t,t, representing the number of chocolates remaining in the box tt days after Carter's birthday.

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Answer:

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Step-by-step explanation:

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answers

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correct me if i’m wrong:)
Third option:)
Please tell me if that’s right,

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Answers

Answer:

The First one: f(-2) a. 9

good luck!

Answer:

Step-by-step explanation:

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Answer the best you can please :)

Answers

Answer:

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Step-by-step explanation:

Answer:

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GIVING BRAINLIEST! I have a plagiarism checker-

Please answer the following essay question:

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Answer

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Step-by-step explanation:

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Answers

is there a picture of the answers to go with this ?
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Answers

Answer:

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Step-by-step explanation:

please help
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Answers

Answer:

the eighth graders receive the 50 pts because, they had the number 58 and 58 is under one minute.

Step-by-step explanation:

Answer:

the eighth graders receive the 50 pts because, they had the number 58 and 58 is under one minute.

Step-by-step explanation:

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Answers

Answer:

It is 7.5%.

Step-by-step explanation:

15 x

200 100

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Answers

Answer:

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Step-by-step explanation:

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Answers

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The event coordinator asks you to determine how many students participated in the
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Answers

Answer:

374.125 students. Not sure if you're supposed to round up or down considering you can't have a fraction of a person, but I would round down.

Step-by-step explanation:

(5/8) (584) = 365 seventh graders in total

(3/8) (584) = 219 eighth graders in total

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(7/8) (219) = 191.625 eighth graders who participated in track-and-field day

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Answer:

First, I took 5/8 out of 584 for the seventh graders which came out to 365 seventh graders. Then, I did the same thing with 3/8 and it came out to 219 eighth graders. Then I took out 4/5 out of 365 which resulted as 292. Then I did the same thing for 7/8 and the results came out as 191. So in total 483 students participated in track-and-field day.

Step-by-step explanation:

Density is measured in units of mass per units of volume. It can be thought of as a unit rate. The mass of a block of aluminum is 9.45 grams. The volume is 3.5 cubic centimeters (cm³).

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Answers

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Answers

Answer:

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Answer:

336

Step-by-step explanation:

To find the answer, we will cross multiply.

3         ?

5       560

We will first multiply 3*560.

= 1680

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Answers

Answer:

60

Step-by-step explanation:

here are 360° used in a whole pie chart

Using proportion

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its 60 dhdkshdshbzzh

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Answers

Yes, to break a 2-digit number into tens and ones it is a simple process. To do it you have to take a number, let's say, 56. We can take the 5, because it has one digit to the right of it, we add one 0 to the right of it. Then we do the 6, which has nothing to the right, so we don't put anything there. 50 and 6. 5 tens and 6 ones.

I'm pretty sure that's the only way. If anyone knows otherwise, please post in the comments.

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