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4 years ago

What is the solution for the system of equations?

1 answer:

8 0

The solution is at what point the two lines intersect.
Plug y into the other equation to get: 5x-4(5-3x)=-3
Multiply it out: 5x+12x-20=-3
Combine like terms and add 20 to both sides: 17x=17
Divide both sides by 17: x=1
Now plug the x value back into any equation to get the y value.
So you get y=5-3(1) --> y=2
The solution is (1, 2)

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3 years ago

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3 years ago

The perimeter of a parallelogram is 68 IN. One side measures 14 In. What are the lengths of the other 3 sides?

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2 years ago

Someone help me on this please!

swat32

Answer:

x = 15 cm

Step-by-step explanation:

All the ratio of corresponding sides should be equal

10 corresponds to x

16 corresponds to 24

12 corresponds to 18

<em>Finding the ratio of the known pairs:</em>

$\frac{16}{24}=\frac{2}{3}$
$\frac{12}{18}=\frac{2}{3}$

<em>Similarly 10 is to x should be 2 is to 3. Finding x:</em>

$\frac{10}{x}=\frac{2}{3}\\10*3=2x\\30=2x\\x=\frac{30}{2}\\x=15$

So x = 15.

5 0

3 years ago

Read 2 more answers

A rectangular lot is 140 meters long and 100 meters wide. Give the length and width of another rectangular lot that has the same

mr Goodwill [35]

Step-by-step explanation:

Length of rectangle is 140 m and its breadth is 100 m

Perimeter = sum of all sides

For rectangle, P = 2(l+b)

P = 2(140+100)

P = 480 m

Area = length × breadth

For a rectangle, A = lb

A = 140 × 100

A = 14000 m²

We need to write the length and breadth such that it has the same perimeter but a larger area.

Let the length is 110 m and breadth is 130 m.

Perimeter, P = 2(110+130)

P = 480 m

Perimeter is same as previous

Area, A = 110 × 130

A = 14300 m²

Area is more than the initial area.

Hence, this is the required solution.

4 0

3 years ago

Read 2 more answers