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QveST [7]
3 years ago
8

Solve the system of linear equations by graphing y=-x-4 y=x were do the lines intercept

Mathematics
2 answers:
lora16 [44]3 years ago
5 0

For this case we have the following system of equations:

y =-x-4\\y = x

If we substitute the second equation in the first we have:

x = -x-4\\2x = -4

x=\frac{-4} {2}\\x = -2

So:

y = -2

Thus, the lines intersect at:(x, y):(-2,-2)

Answer:

See attached image

(x, y): (- 2, -2)

SIZIF [17.4K]3 years ago
4 0

Answer:

(-2, -2)

Step-by-step explanation:

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The lee's spend $ 31 on movie tickets for 2 adults and 3 children. The Smith's spent $ 26 on movie tickets for 2 adults and 2 ch
Trava [24]

Answer:

Cost of adult ticket is $8 and Cost of children ticket is $5.

Step-by-step explanation:

Given:

Let the cost of each Adult ticket be 'x'.

Let the cost of each child ticket be 'y'.

Now Given:

The lee's spend $ 31 on movie tickets for 2 adults and 3 children.

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Total money spent is equal to sum Number of adult tickets multiplied by cost of each Adult ticket and sum Number of children tickets multiplied by cost of each child ticket.

framing in equation form we get;

2x+3y=31 \ \ \ \ equation \ 1

Also Given:

The Smith's spent $ 26 on movie tickets for 2 adults and 2 children

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Number of children ticket = 2

Total money spent = $26

So we can say that;

Total money spent is equal to sum Number of adult tickets multiplied by cost of each Adult ticket and sum Number of children tickets multiplied by cost of each child ticket.

framing in equation form we get;

2x+2y=26 \ \ \ \ equation \ 2

Now Subtracting equation 2 from equation 1 we get;

2x+3y-(2x+2y)=31-26\\\\2x+3y-2x-2y=5\\\\y=\$5

Now substituting the value of y in equation 1 we get;

2x+3y=31\\\\2x+3\times5 =31\\\\2x+15=31\\\\2x=31-15\\\\2x=16x\\\\\frac{2x}{2}\frac{16}{2}\\\\x=\$8

Hence Cost of adult ticket is $8 and Cost of children ticket is $5.

6 0
3 years ago
26.52 x 90.7 step by step
Shtirlitz [24]

Hiya!

Sokka is here to help!!

Here's a explanation!

26.52 × 90.7 = 2405.364

OR:

Here's a paper I wrote of your answer.

Sorry, if my picture is blurry.

Hopefully, this helps you!!

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Step-by-step explanation:

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I hope this helps
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