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Leviafan [203]
3 years ago
12

Find the value of 2x-yi fx+y=8and4x-y=22​

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0

Answer:

10

Step-by-step explanation:

Given

x+y=8\\ \\4x-y=22

Add these two equations:

x+y+4x-y=8+22\\ \\5x=30\\ \\x=6

Substitute it into the first equation:

6+y=8\\ \\y=8-6\\ \\y=2

Then

2x-y=2\cdot 6-2=12-2=10

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Answer:

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Step-by-step explanation:

Find the reciprocal of the divisor

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3 years ago
Josh is hiking Glacier National Park. He has now hiked a total of 17 \text{ km}17 km17, start text, space, k, m, end text and is
EastWind [94]

Answer:

The equation to determine the total length in kilometers is  \frac{h}{2} =(17+2)

The total length in kilometers of Josh’s hike is  38 km.

Step-by-step explanation:

Given:

Let the total length in kilometers of Josh’s hike be h.

Now Given that He has now hiked a total of 17 km and is 2 km short of being 1/2 of the way done with his hike.

It means that to reach half of the length of total length Josh needs 2 more km to add in his hiking which is done which is of 17 km.

Framing the above sentence in equation form we get;

\frac{h}{2}=(17+2)

Hence, The equation to determine the total length in kilometers is  \frac{h}{2} =(17+2)

Now Solving the above equation we get;

First we will multiply 2 on both side using Multiplication property we get;

2\times \frac{h}{2}= 2\times(17+2)\\\\h =2\times 19 =38 \ km

Hence,  The total length in kilometers of Josh’s hike is  38 km.

4 0
3 years ago
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Write 3/60 as a fraction in its simplest form
mart [117]

Answer:

\frac{1}{20}

Step-by-step explanation:

\frac{3}{60}=\frac{1}{20}

To get \frac{1}{20} you needed to divide the numerator and denominator by 3.

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Answer:

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Step-by-step explanation: i think

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Answer:

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PS: you could just look it up ;)

Step-by-step explanation:

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