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LenKa [72]
2 years ago
14

2x – 4y = 14 x = 2y – 2 What is the solution to the system?

Mathematics
1 answer:
anastassius [24]2 years ago
5 0
2x-4y=14
X=2y-2

2x-4y=14
x-2y=-2

x-2y=12
x-y=-6
You might be interested in
the surface area of a cuboid is 95cm² and its lateral surface area is 63cm². find the area of its base​
wel

Answer:

The Area of the base is 16 cm² .

Step-by-step explanation:

Given as :

The surface area of the cuboid = x = 95 cm²

The lateral surface area of the cuboid = y = 63 cm²

Let The Area of the base = z cm²

Now, Let The length of cuboid = l cm

The breadth of cuboid = b cm

The height of cuboid = h cm

<u>According to question</u>

∵ The surface area of the cuboid = 2 ×(length × breadth + breadth × height + height × length)

Or, x = 2 ×(l × b + b × h + h × l)

Or, 95 =  2 ×(l × b + b × h + h × l)

Or,  (l × b + b × h + h × l) = \dfrac{95}{2}          ....1

<u>Similarly</u>

∵lateral surface area of the cuboid = 2 ×(breadth × height + length × height)

Or, y = 2 ×(b × h + l × h)

Or, 2 ×(b × h + l × h) = 63

Or, (b × h + l × h) = \dfrac{63}{2}              ......2

Putting value of eq 2 into eq 1

so,  (l × b +  \dfrac{63}{2} ) = \dfrac{95}{2}    

Or, l × b = \dfrac{95}{2} - \dfrac{63}{2}    

Or,  l × b = \dfrac{95 - 63}{2}

i.e l × b = \dfrac{32}{2}

so, l × b = 16

<u>Now, Again</u>

∵The Area of the base = ( length × breadth ) cm²

So, z =  l × b

i.e z = 16 cm²

So, The Area of the base = z = 16 cm²

Hence,The Area of the base is 16 cm² . Answer

5 0
3 years ago
Which of the following is the equation for the line perpendicular to the line y= -x + 20 that passes through the point (-4, 2)?
Nadya [2.5K]

Answer:

Step-by-step explanation:

A 10= 4 plus 6

7 0
2 years ago
The camp cook made 3 1/2 pints of baked beans. Each serving of beans is 1/2 of a pint. How many servings of beans did the cook m
Ilia_Sergeevich [38]

Answer:

The cook made 7 pints

Step-by-step explanation:

Just minus the half pints

5 0
3 years ago
A)14 xy + 3 xy + 2[x[y - 17)<br> Simplify the expression.
tankabanditka [31]

Answer:

Let's simplify step-by-step.

14xy+3xy+2x(y−17)

=19xy−34x

5 0
3 years ago
A ski slope drops 30 feet for every horizontal distance of 100 ft. Express the slope in terms of rise over run.​
enyata [817]

Answer:

Step-by-step explanation:

2

RESULT

A, B, D

3 0
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