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miskamm [114]
3 years ago
15

Write an expression for A and B

Mathematics
1 answer:
Annette [7]3 years ago
5 0
A. 
2 1/2 * 3 
5/2 * 3 = 15/2 = 7 1/2 ft used
B
8 - 7 1/2 = 1/2 feet left.

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What is the point of intercection of lines y=x and y=2x+1
12345 [234]

Answer:

(-1, -1)

Step-by-step explanation:

Let's set these two equations equal to each other to solve the system:

x = 2x + 1

Solving for x, we get x = -1

Plug this value of x back into any of the two equations to get y: y = 2 * (-1) + 1 = -1.

Thus, the point of intersection is (-1, -1).

Hope this helps!

8 0
3 years ago
Read 2 more answers
If 7 4/5 is added to 2 3/4 , what is the sum?​
Rufina [12.5K]
The answer would be 10 11/20 or 10.55 in decimal form
8 0
2 years ago
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A baby weighed 7.25 at birth. at the end of 8 month,the baby weighed 2 1/2 times its birth weight. how many pounds did the baby
Artyom0805 [142]
2 1/2 is in mixed fraction. So let's first make it into improper fraction.

(2*2 + 1) / 2 = 5/2

5/2 of 7.25 = (5*7.25) / 2 = 18.125 

in short, 18.125 is the answer

4 0
3 years ago
A plane can fly 305 miles downwind in the same amount of time as it can travel 215 miles upwind. Find the velocity of the wind i
son4ous [18]

Answer:

We can compute this in 2 ways:

305 downwind - 260 still air = 45 mph wind velocity

260 still air - 215 downwind = 45 mph wind velocity

Step-by-step explanation:

5 0
3 years ago
gretchen and henrik are meeting at a park. gretchen lives 2.4 miles away from the park and bikes at a constant rate of 12 miles
shepuryov [24]
1)t=S/U=2.4/12=0.2
2)t=S/U=8.4/36=0,23
3)0.23-0.2=0.03




6 0
3 years ago
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