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Alenkinab [10]
3 years ago
6

Can someone help me with 7 1/2 ÷ 1 9/10 please and thank you

Mathematics
2 answers:
Ahat [919]3 years ago
5 0
\frac{ 7\frac{1}{2} }{1 \frac{9}{10} } =  \frac{3.5}{0.9} =3.88888888889
Evgen [1.6K]3 years ago
4 0
7 1/2÷ 1 9/10 = 15/2 ÷19/10 = 15/2x10/19 = 159/38 = 4 7/38


4 7/38 (Answer)
_____
38 )159
152
__________
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Two trains leave stations 396 miles apart at the same time and travel toward each other. One train travels at 80 miles per hour
kherson [118]

Answer:

It will take 2.2 hours for the trains to meet.

Step-by-step explanation:

Given,

Distance between two trains = 396 miles

Speed of one train = 95 mph

Speed of other train = 85 mph

Combined speed of trains = 95+85 = 180 mph

Distance = Speed * Time

Time =

Time =

Time = 2.2 hours

It will take 2.2 hours for the trains to meet.

Keywords: speed, distance

Learn more about distance at:

brainly.com/question/13219835

brainly.com/question/1836777

#LearnwithBrainly

Step-by-step explanation:

3 0
1 year ago
According to records from 50 years, there is a 2/3 chance of June temperatures being above 80 F. Azul needs to find the probabil
Brrunno [24]

Record of june temperature of last 50 years

Probability of June temperature being above 80° F from last 50 years

                      =\frac{2}{3}

It means , out of 30 days ,there are  only 20 days , in which temperature is above 80°F.

⇒Probability that it will be above 80° F for 20 or more days this June

                =\frac{20+x}{30}  

where, x is the number of extra days after 20 days in month of june, when temperature is above 80°F.

Value of this Probability will be in between

                \frac{2}{3}\leq P \leq 1  

Now, what Azul wants

 To find the probability that it will be above 80° F for 20 or more days this June.

The Simulation given is

  ⇒There are 30 days in June. If we use a number cube with the numbers 1-6 and assign 1-4 as a temperature above 80° F and 5-6 as a temperature 80° F or below.

Total number of numbers on number cube ={1,2,3,4,5,6}

Favorable Outcome={1,2,3,4}=Temperature above 80° F

Temperature 80° F or below ={5,6}

⇒Probability of getting number {1,2,3,4} on the number cube when rolled once,that is Temperature above 80° F

        =\frac{4}{6}\\\\=\frac{2}{3}

⇒Probability of getting number {5,6} on the number cube when rolled once, that is Temperature 80° F or below

        =\frac{2}{6}\\\\=\frac{1}{3}

This is Incorrect Simulation, as there are chances that , there can be more than 20 days out of 30 days when Temperature goes above 80° F.But Here we have got Probability of temperature being above 80° F for 20 days only, not more than 20 days, which is =\frac{2}{3}

Not,a number

    \frac{2}{3}< \text{Probability} \leq 1.    

4 0
3 years ago
What is the answer to the q
satela [25.4K]

Answer:

starting from (0,0),go to the 6 units and up 1

Step-by-step explanation:

5 0
3 years ago
I know the answer but I need an explanation of how it is the answer plss.
Mashcka [7]

Answer: I got the answer by adding and subtracting

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Someone smart help me please
wolverine [178]
(-5,2) concave up

Hope this helps :)
6 0
3 years ago
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