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daser333 [38]
2 years ago
12

a bus is traveling at a constant speed.if the bus is 15 1/2 miles in 1/3 of an hour. how many miles will the bus travel in one h

our
Mathematics
2 answers:
Masteriza [31]2 years ago
7 0
It will be 46 1/2 miles!!!

if you need the explained I will!!
Lemur [1.5K]2 years ago
3 0

Answer:

A

Step-by-step explanation:

A

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Freida drove 50 miles in 15 minutes. At this rate, how many miles did she drive in 9
siniylev [52]

Answer:

30 miles

Step-by-step explanation:

The rate is distance /time

50 /15 =10/3 miles per hour

To find the distance traveled in 9 minutes, multiply the rate by the time

distance = 10/3 *9 = 30

30 miles

4 0
3 years ago
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Which function is the inverse of f (x) = 2x + 8?
tiny-mole [99]

Answer:

f-1(x) = (x-8)/2

Step-by-step explanation:

f(x) = 2x+ 8

y = 2x + 8

replacing y and x

x = 2y + 8

2y = x- 8

y =( x-8)/2

f-1 (x) =( x-8)/2

3 0
3 years ago
Solid A has a volume of 28 in³. The scale factor of A to B is 1:2. What is the volume of Solid B?
PilotLPTM [1.2K]

Answer: 56in³

Step-by-step explanation:

Let the volume of solid B de denoted as x. Based on the information given in the question, we can solve further by:

1/2 = 28/x

Cross multiply

1 × x = 2 × 28

x = 56

Therefore, the volume of solid is 56in³.

4 0
3 years ago
At the Fast-Pack It shipping, the employees can unload 25 trucks in 5 hours. Which of the following is a correct unit rate for t
Anastasy [175]

Answer:

The answer is A. 1/5 of an hour per truck.

Step-by-step explanation:

25/5=5 so that means 5 trucks per hour, or 1/5 of an hour per truck.

Hope this helps!! :)

4 0
3 years ago
9x-20/(x+6)^2 partial fraction decomposition
Kryger [21]

We're looking for a,b such that

\dfrac{9x-20}{(x+6)^2}=\dfrac a{x+6}+\dfrac b{(x+6)^2}

Multiplying both sides by (x+6)^2 gives us

9x-20=a(x+6)+b

Notice that when x=-6, the term involving a vanishes and we're left with

9(-6)-20=b\implies b=-74

Then

9x-20=a(x+6)-74=ax+6a-74\implies a=9

so that

\dfrac{9x-20}{(x+6)^2}=\boxed{\dfrac9{x+6}-\dfrac{74}{(x+6)^2}}

3 0
3 years ago
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