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Veronika [31]
3 years ago
10

2x-y=5. find an ordered pair x, y that is a solution to the eqation​

Mathematics
1 answer:
lions [1.4K]3 years ago
8 0

Answer:

(5/2,-5)

Step-by-step explanation:

plug in zero for each of the variables to get the other one

2x-0=5

2x=5

x=5/2

2(0)-y=5

-y=5

y=-5

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Whats the answer for 12 (2w-3)=6w
puteri [66]
12(2w-3)=6w
Distribute
24w-36=6w
Rearrange
18w=36
Divide both sides by 18
W=36/18
Final answer:
W=2
Hope I could help with the work, but give makeitnasty credit for the answer, he got it first :)
8 0
3 years ago
How do you solve this?​
Paul [167]
You need to use percentage I would help but I can’t because of I’m bad at percentages
4 0
3 years ago
The expression 8x2 − 144x 864 is used to approximate a small town's population in thousands from 1998 to 2018, where x represent
Rzqust [24]

The expression that is most useful for finding the year where the population was at a minimum would be 8(x − 9)² + 216.

Given expression 8x² − 144x + 864 is used to approximate a small town's population in thousands from 1998 to 2018, where x represents the number of years since 1998.

<h3>What is a quadratic equation?</h3>

A quadratic equation is the second-order degree algebraic expression in a variable. the standard form of this expression is  ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.

Given expression is 8x² − 144x + 864

Let y = 8x² − 144x + 864

also,  y - 864 = 8x² - 144x

by Extracting common factor 8 on the right side

y - 864 = 8(x² - 18x)

Add (18/2)² on both sides, we get

y - 864 + 8(18/2)² = 8 (x² - 18x + 81²)

y - 864 + 648 = 8 (x² - 8x + 9)

on simplification

y - 216 = 8 (x - 9)²

y = 8(x - 9)² + 216

therefore, y = 8 (x - 9)² + 216

The expression that is most useful for finding the year where the population was at a minimum would be 8(x − 9)² + 216.

Learn more about a quadratic equation here:

brainly.com/question/2263981

8 0
2 years ago
Show the correct steps to simplify this problem.
KengaRu [80]
Do 12-5 then 6.4 then 2.2 then whatever answer you get for 12-5 multiply it by the answer you get for 6.4 then subtract whatever answer you get for 2.2 hope this helps!
7 0
3 years ago
1/4, 3/8, 3/2, 6/16 in descending order
jasenka [17]

Answer:

3/2 >3/8=6/16>1/4

Step-by-step explanation:

1/4=4/16

3/8=6/16

3/2=24/16

6/16

24/16>6/16>4/16

3/2>3/8=6/16>1/4

4 0
3 years ago
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