Answer:
4.2π cm ≈ 13.19 cm
Step-by-step explanation:
The length s of an arc of a circle with radius r and central angle θ (in radians) is ...
s = rθ
Here, we have ...
s = (5.6 cm)(3π/4) = 4.2π cm ≈ 13.19 cm
Answer:
15/32 cm²
Step-by-step explanation:
Area of rectangle = l × b
=> 3/4 × 5/8
=> 15/32
Therefore,
Area of rectangle is 15/32 cm²
Answer:
8.4 dollars
Step-by-step explanation:
The error is in the resolution of the proportion. In fact, the initial proportion is correct:

where x is the total cost. However, the following step of the resolution is wrong. In fact, the correct resolution is the following:
- Multiplying by x on both sides:

- Multiplying by 3.5 no both sides:

And now we can find x:

So, the total cost is 8.4 dollars.
Answer:
48 MPH
Step-by-step explanation:
10 mins times 6= 60 mins which is an hour
8 miles times 6= 48 miles
This means the average is 48 MPH
Answer:
480
Hope this helps
Step-by-step explanation: