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alexdok [17]
3 years ago
6

How to solve x-2y=1 for y

Mathematics
1 answer:
vazorg [7]3 years ago
5 0
To begin to isolate y, perform the opposite operation and subtract x on both sides of the equation

-2y = -x -1

Perform the opposite operation by dividing both sides of the equation by -2

y=- \frac{1}{2} x+ \frac{1}{2}
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The family wants to determine if they can drive to the national park using Just one tank of gas in their car. Determine whether
Nataliya [291]

Answer:

The Fullers can reach the national park

Step-by-step explanation:

<u><em>The complete question is</em></u>

The Fuller family wants to drive to a national park. Some information about their trip is given in the  table below.

Distance to national park 515 miles

Car’s gas tank capacity 20 gallons

Average gas mileage for car 26 miles per gallon

The family wants to determine if they can drive to the national park using just one tank of gas in their  car. Determine whether the Fullers can reach the national park. Show your work or explain your  answer.

we know that

The Average gas mileage for the car is 26 miles per gallon

That means

With 1 gallon the car runs 26 miles

so

using a proportion

Find out how many miles the car runs with 20 gallons (one tank of gas)

\frac{26}{1}\ \frac{miles}{gallon}=\frac{x}{20}\ \frac{miles}{gallons}\\\\x=26(20)\\\\x=520\ miles

Compare with the distance to the national park

520\ miles>515\ miles

therefore

The Fullers can reach the national park

7 0
3 years ago
Find the value of each variable,<br> y =<br> Z=
Leno4ka [110]
ANSWER:
y = 119
z = 66

EXPLANATION:
z = 180° - 114° = 66°
y = 360° - (95° + 81° + 66°) = 119°

5 0
3 years ago
PLZ I NEED HELP A crate of bananas has a mass of 674.8 dekagrams. What is the mass of the crate of bananas in centigrams? Use th
hjlf

Answer:D

Step-by-step explanation:

8 0
3 years ago
Please help!! i will mark you brainliest!!!
aniked [119]

Answer:

A- 5 meters in 0.1 seconds

Step-by-step explanation:

M/s means meters in 1 second and A says 5 meters in 1 second

7 0
3 years ago
Evaluate a2 - 6 for a = 4 and b = 17
Natalija [7]

Answer:

The answer is -94 but where is b

Step-by-step explanation:

2(4)-6(17)=-94

7 0
3 years ago
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