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Hoochie [10]
2 years ago
10

There are two laundry trucks One laundry truck visits Roxanne's house every 3 days and another laundry truck visits her neighbor

hood every 4 days. When will both the trucks next visit on the same day ?
Mathematics
1 answer:
stealth61 [152]2 years ago
5 0

Answer:

Evey 12 days  both  of the trucks visit on the same day

Step-by-step explanation:

The LCM of 3 and 4 is 12, because 12 is the smallest number that 3 and 4 are both factors for.

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Can someone please help me work out this question i really don't understand ​
nadya68 [22]

Answer:

108 cm^2

Step-by-step explanation:

rectangle   + 2  triangle = total area

L x W          + 2    *  1/2 base * height   = total area

(5x12)          + 2    *  1/2 * 12 * 4    = total area

  60              +   48    = 108 cm^2

7 0
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Step-by-step explanation:

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2 years ago
I need help on. this question. (3x^6)^3 the answer must have one exponent
kotykmax [81]

Answer:

27x^{18}

Step-by-step explanation:

\left(3x^6\right)^3

Separate 3x^6:

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5 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
Pablo runs 3 miles in 28 minutes. At the same rate, how many miles would he run in 42 minutes?
lions [1.4K]

Answer:

around 4.5

Step-by-step explanation:

28 divided by 3 is 9.333333333

42 divided by 9.33333333333

equals 4.5

4 0
3 years ago
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