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3 years ago

8

Please help! I don't understand what to do next. It's getting me tripped up.

2 answers:

denis-greek [22]3 years ago

4 0

7 miles:2.5 hours
10 miles:? hour

10×2.5÷7=25/7. As a result, It took him 25/7 hours or 3 4/7 hours to ride 10 miles. Hope it help!

Mrac [35]3 years ago

3 0

The answer is 3.6. You have to find the unit rate for miles per hour. You divide 2.5 by 7 and you should get this long, ridiculous number. You don't have to use all that so round to the nearest hundredths to get .36. You multiply that by 10 to get the answer......3.6! :)

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Scientists can estimate the number of bacteria in a refrigerated food using the formula 0.26=

monitta

Time is C. 50 seconds

Step-by-step explanation:

The population of bacteria at time t here is given by

$0.2b=\frac{t^2}{20}$

where

b is the number of bacteria

t is the time in seconds

Here we want to find the approximate time at which the number of bacteria is

b = 625

Substituting into the equation and solving for t, we find:

$t^2=20\cdot 0.2 b\\t=\sqrt{4b}=\sqrt{4\cdot 625}=50 s$

Therefore, the solution is

C. 50 seconds

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3 years ago

Match the data to the summary 5,10,15,20,25,25,25,30,35,40,45,50

Serjik [45]

Minimum = 5
maximum = 50
Q1 = (15 + 20)/2 = 17.5
Q2 (median) is 25
Q3 = (35 + 40)/2 = 37.5

8 0

3 years ago

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horrorfan [7]

Answer:32, XZ is twice the size of AC

Step-by-step explanation:

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asambeis [7]

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svetlana [45]

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Step-by-step explanation:

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