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3 years ago

7

Simplify: 2x + 4y - x + y

2 answers:

elena55 [62]3 years ago

6 0

Answer:

x+5y

Step-by-step explanation:

lys-0071 [83]3 years ago

3 0

Answer:

1x+5y or x+5y is it simplfyed

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X+2y-z=5<br> -X-y+2z=-13<br> 2x+y-2z=14

faltersainse [42]

Answer:

$x+2y-z=5 ...(1)\\ -x-y+2z=-13...(2) \\ 2x+y-2z=14...(3) \\ \\ add \: (2) + (3) \\\boxed{x= 1} \\ 2 \times (1) + (2) \\ x + 3y = - 3 \\ 1 + 3y = - 3 \\ 3y = - 4 \\ \boxed{y = - \frac{4}{3} }\\ solve \: for \: z \\ x + 2y - z = 5 \\ 1-\frac{4}{3}(2)-z=5\\3-8-3z=15\\3z=-20\\\boxed{z = - \frac{20}{3} }$

3 0

3 years ago

Find the value of x in the triangle shown below.<br> please help me

vaieri [72.5K]

Answer:

Final Answer: 59

Step-by-step explanation:

180- 62= 118

118 / 2= 59

so both angles would be 59

8 0

3 years ago

A rectangle is shown on the coordinate plane below<br>

SVEN [57.7K]

Answer:

hi

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

If I have an equation in which x = pounds, and y = total cost, can I substitute quarts into the equation

Colt1911 [192]

Answer:

Yes, you can

Step-by-step explanation:

As a point of reference, assume the equation is:

$y = 5x$

Where

$y = total\ cost$

and

$x = pounds$

In standard unit of conversion:

$1\ pound = 0.4793\ quart$

So:

$x\ pounds = 0.4793x\ quart$

Substitute 0.4793x for x in $y = 5x$

$y = 5 * 0.4793x$

$y = 2.3965x$

The above equation is the equivalent of $y = 5x$ in quarts

<em>So, irrespective of what the equation is, you can always substitute quarts into the equation.</em>

8 0

3 years ago

a piece of note paper has side length of 12.5 centimetres what is the area of the piece of note paper

muminat

If the note paper is a square, the answer would be 156.25cm^2

6 0

4 years ago