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Scilla [17]
2 years ago
11

A sum of money is divided into the ratio 3:4. The larger portion is then divided into 3 parts in

Mathematics
1 answer:
vivado [14]2 years ago
5 0

Step-by-step explanation:

this is your answer.........

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Rico went for a bike ride around a 3 mile loop. He rode a total of 12 miles. How many times did rico ride his bike around the lo
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4 times because 3*4=12/12÷3=4
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Heck naw Fawk that -3-!!!!!

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The grocery store sells kumquats for $4.50 a pound and Asian pears for $3.75 a pound. Write an equation in standard form for the
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6 0
3 years ago
What should be the first step in solving 13 y − 14 = 42?
AveGali [126]

Answer:

The first step should be adding 14 to both sides of the equation.

Step-by-step explanation:

14 must be added on both sides of the equation to get 13y by itself. The ultimate goal is to get y by itself if we are solving for y.

Once 14 is added on both sides, you'll get:

13y = 56.

Then 13 would be divided from both sides.

y = 4.3

8 0
2 years ago
A random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of dr
sasho [114]

Answer:

25.05

Step-by-step explanation:

Given that a random sample of 160 car crashes are selected and categorized by age. The results are listed below. The age distribution of drivers for the given categories is 18% for the under 26 group, 39% for the 26-45 group, 31% for the 45-65 group, and 12% for the group over 65.

     

<26 26-45 46-65` >65  

Observed  O 66 39 25 30 160

Expected  E 40 40 40 40 160

     

Chi square      

(O-E)^2/E 16.9 0.025 5.625 2.5 25.05

Thus we get chi square test statistic = 25.05  

5 0
3 years ago
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