Determine the x-coordinate of the solution of the system of equations below. You may use any method: 2x-y=10 x+y=2

Determine the y-coordinate of the solution for the system of equations. You may use any method. 2x-y=10
x+y=2

Plz help i really don't understand these two Q please help by showing me step by step ;-; im so sorry

Answers

Answer 1

Answer: Q1:
make y the subject for both equations
2x - y = 10, y = 2x - 10
x + y = 2, y = 2 - x
therefore
2 - x = 2x - 10
2 + 10 = 2x + x
12 = 3x
4 = x

Q2:
Sub x into an equation to find y
x + y = 2
y = 2 - x
y = 2 - 4
y = -2

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Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2x2 – 16) feet and (–x2 + 4x + 1) feet. Which expression represents the total perimeter of the table, and if x = 3, what is the length of the entire rubber bumper?

Answers

Answer:

P = 2x² + 8x - 30

P = 12 (if x = 3)

Step-by-step explanation:

Perimeter Formula: 2l + 2w

Step 1: Find perimeter

2(2x² - 16) + 2(-x² + 4x + 1)

4x² - 32 - 2x² + 8x + 2

2x² + 8x - 30

Step 2: Plug in x = 3

2(3)² + 8(3) -30

18 + 24 - 30

42 - 30

What is this lol ❤❤❤

Answers

Answer:

Exosphere

Step-by-step explanation:

The exosphere is the last layer of earth which oxygen escapes.

Answer:

don't know lol <3

Step-by-step explanation:

have a good day this was obviously made a while ago LOL

Find the simple interest earned when £3500 is invested at an annual rate of 4.75% for 6.5 years (to the nearest £).

Answers

Answer:

£1081

Step-by-step explanation:

First you put the 4.75 into decimal form to do this divide by 100
You get 0.0475
Then all you do this multiply 3500 by 0.0475 and 6.5
3500*0.0475*6.5
= 1080.625
=1081 to nearest pound
Brainliest answer please

13. A bank offers the following loans:Bank A
Bank B
$105,000
$105,000
30-year fixed 30-year fixed
5.875%
6%
1.25 discount points 0 discount points
M=$621.11 M=$629.53
What is the break-even point for the loans?
about 7 years
about 10 years
about 13 years
about 16 years

Answers

Answer:

Did you find it?

Step-by-step explanation:

Simplify the expression 2x+3(x-2)-3(x-6)

A. 2x + 12
B. 2x - 8
C. 8x - 24
D. 2x - 24

Answers

$2x+3(x-2)-3(x-6) \n \n 2x + 3x - 6 - 3x + 18 \ / \ expand \n \n (2x + 3x - 3x) - 6 + 18 \ / \ gather \ the \ like \ terms \n \n 2x - 6 + 18 \ / \ simplify \n \n 2x + 12 \ / \ simplify \n \n$

The final result is A) 2x + 12.

2x+3(x-2)-3(x-6)You would first distribute.So:2x+3x-6-3x+18Then you would combine like terms, like so:2x+3x-3x= 2x-6+18= 12So it'd be:2x + 12Which is answer choice AHOPE THIS HELPS!!(:

vicky has a 50 inch roll of ribbon. she uses 3 feet of the ribbon to wrap a gift. how many inches of ribbon does she have left?

Answers

3 feet = 36 inches50 inches - 36 inches = 14 inches:)

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