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kirza4 [7]
3 years ago
13

Manuel traveled 22 hours nonstop to​ mexico, a total of 9090 miles. he took a train part of the​ way, which averaged 5050​mph, a

nd then took a bus the remaining​ distance, which averaged 4040mph. how long was manuel on the​ train?
Mathematics
1 answer:
Anna35 [415]3 years ago
3 0
Bro stop play this easyyy 
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In a shipment of 71 vials, only 13 do not have hairline cracks. If you randomly select 2 vials from the shipment, what is the pr
yanalaym [24]

Answer:

0.0313

Step-by-step explanation:

Given that in the shipment of 71 vials, only 13 do not have hairline cracks

Probability of not having a hairline cracks = \frac{13}{71}

If you randomly select 2 vials from the shipment

(Probability of not having a hairline cracks)' = \frac{13-1}{71-1} = \frac{12}{70}

what is the probability that none of the 2 vials have hairline cracks.

i.e (\frac{13}{71}) * (\frac{12}{70})

= 0.183 × 0.171

= 0.0313

Hence, the probability that none of the 2 vials have hairline cracks = 0.0313

6 0
3 years ago
A large serving of soup from a take-out restaurant is 4/5 liter. The restaurant has 3 liters of soup. The diagram below models t
Airida [17]

Answer:

The quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters .

Step-by-step explanation:

Given as :

The quantity of large serving soup = \dfrac{4}{5}  liters

The total quantity of soup does restaurant has = 3 liters

Let the quantity of total serving soup does restaurant has = T liters

So, According to question

The quantity of total serving soup does restaurant has = The quantity of large serving soup × total quantity of soup does restaurant has

Or, T =  \dfrac{4}{5} × 3

Or, T =  \frac{4\times 3}{5}

Or, T =  \dfrac{12}{5}

∴   T = 2 \dfrac{2}{5} liters

So, quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters

Hence,The quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters . Answer

5 0
3 years ago
If rent to go charges you $30 for 300 miles what is the unit rate per 1 mile
lesantik [10]

Answer:

$10

Step-by-step explanation:

300 divided by 30 is 10

3 0
3 years ago
Read 2 more answers
If `f(x)=x^2-81` and `g(x)=(x-9)^(-1)(x+9)`, find `g(x)xxf(x)`.
marshall27 [118]

<u>Answer:</u>

g ( x ) * f ( x ) = ( x + 9 ) ^ 2

<u>Step-by-step explanation:</u>

We are given the following two functions and we are to find g(x) * f(x):

f(x)=x2-81

g(x)=(x - 9)^{-1} ( x + 9)

g(x)*f(x)=x^{-81} * \frac{x+9}{x-9}

g ( x ) * f ( x ) =\frac{(x+9)(x-9)(x+9)}{x-9}

g ( x ) * f ( x ) = ( x + 9 ) ( x + 9 )

g ( x ) * f ( x ) =( x + 9 ) ^ 2

3 0
3 years ago
Read 2 more answers
You give a $4 tip for a meal that cost $22. Approximately what percent of the bill was your tip?
Fiesta28 [93]

Answer: me

So we can solve this with a simple equation which the percent is x

Step-by-step explanation:

4*x/100=22

4x=2200

x=550

So the answer is 550%

7 0
3 years ago
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