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defon
3 years ago
14

What is the x-value in the solution to this equation of linear equations? 2x-y=11 x+3y=-5

Mathematics
2 answers:
saw5 [17]3 years ago
6 0

The solution to these linear equations is (4,-3)

So the x-value is 4

:)))


Otrada [13]3 years ago
6 0

Answer:

x=4

Step-by-step explanation:

To solve this system of equations you just have to multiply the first equation by 3 to eliminate the Y from the equations.

(2x-y=11) 3 = 6x-3y=33

x+3y=-5         x+3y=-5

Now you´ll add both equations:

6x+x=33-5

7x=28

x=\frac{28}{7}

x=4

So the answer to the x-value on this system of equations is 4.

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Kobotan [32]

Answer:

Step-by-step explanation:

the median is the middle number....but first u have to put the numbers in order from least to greatest

56,56,58,60,65.....and the median (the middle number) = 58 <==

and just so you know...it is easy to find the middle number when there is an odd number of numbers...but when there is an even number of numbers, there will be 2 middle numbers.....so then u add the two middle numbers and divide by 2 to get the median

7 0
3 years ago
Help plsss this is for a test pls
choli [55]
Number 1 The relation represents
5 0
3 years ago
What is the value of this expression <br><br><br> 3^2*2-4(3-1)
aalyn [17]

Answer:

10

Step-by-step explanation:

3^2*2-4(3-1)

3^2=9

9*2

9×2

18

4(3-1)

4(2)

8

18-8

=10

So the final answer is 10

4 0
3 years ago
How to solve 9x 4 2/5 in words
Natalija [7]

Answer:

39.6

Thirty nine point six

Step-by-step explanation:

9 x 4 2/5

9 x 22/5

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3 0
3 years ago
A delivery company has 18 vehicles in its fleet.
Ilia_Sergeevich [38]

Answer: £1517.04

Step-by-step explanation:

The fuel expenses for the vans will be calculated as:

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Since the average distance travelled per day is 198km and the average distance travelled per litre is 9km, the van would use:

= 198/9

= 22 litres

Since there are 8 vans, they'll use:

= 22 × 8 = 176 liters

Trucks:

Since the average distance travelled per day is 620km and the average distance travelled per litre is 6.2km, the truck would use:

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Since there are 10 trucks, they'll use:

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The amount of liters for both the van and the truck will be:

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= 1176 liters

The fuel cost will then be:

= 1176 × 1£1.29

= £1517.04

6 0
3 years ago
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