$\left\{\begin{array}{ccc}\frac{3x-1}{2y}=1\\x+2y=7\end{array}\right\\\\\left\{\begin{array}{ccc}\frac{3x-1}{2y}=1\\2y=7-x\end{array}\right\\\\substitute:\\\\\frac{3x-1}{7-x}=1\iff3x-1=7-x\\\\3x+x=7+1\\4x=8\\x=2\\\\2y=7-2\\2y=5\\y=2.5\\\\Answer:D)\ y > x$

6 0

4 years ago

Read 2 more answers

Suppose a plane flies 48 miles in 12 minutes. The relationship between miles flown,x, and minutes flown,y, by the plane can repr

zhannawk [14.2K]

Answer:

y=12

x=48

Step-by-step explanation:

Relationship shows that

y=1/4x

if we put y=12 and x=48 it holds.

6 0

4 years ago

to get the the airport, jan must pay $10 for a taxi to come for to her house plus $2 for each mile they travel. write an equatio

ElenaW [278]

Answer:

10+2m=48

Step-by-step explanation:

I don't really know how to explain it but making equation from world problems make sense for some reason.

6 0

3 years ago

Can you guys help me with these unit rates

Radda [10]

Answer:

2. 38

3. 12

5. 7

9. 13

6 0

3 years ago

Which of the following is equal to 2 2/5 A. 1 7/5 B. 1 12/5 C. 1 6/5 D. 1 9/5​

Which of the following is equal to 2 2/5 A. 1 7/5 B. 1 12/5 C. 1 6/5 D. 1 9/5