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Neporo4naja [7]
3 years ago
6

A class used cars and vans to go on a field trip because all of the buses were already in use. They Used 10 vehicles to go on th

e trip. Each car holds 5 students and each van holds 13 students. If 82 students went on the trip, then how many of each type of vehicle did the class use?
Mathematics
2 answers:
GalinKa [24]3 years ago
5 0

Answer:

4 vans, 6 cars

Step-by-step explanation:

a_sh-v [17]3 years ago
3 0
6 cars , 4 vans hope it helped
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What is the mean absolute deviation of the data set? {12, 10, 10, 8, 6, 7, 7, 12}
Simora [160]

Answer:

The MAD of  {12, 10, 10, 8, 6, 7, 7, 12} is 2.

Step-by-step explanation:

<u><em>Step 1 : Add all the values Up:</em></u>

<u><em /></u>12+10+10+8+6+7+7+12=72

<u><em>Step 2 : Divide them by the number of items or numbers:</em></u>

<u><em></em></u>\frac{12+10+10+8+6+7+7+12}{8}=9<u><em></em></u>

<u><em></em></u>

<u><em>Step 3: Find the absolute deviations:</em></u>

<u><em></em></u>12-9=3\\10-9=1\\10-9=1\\9-8=1\\9-6=3\\9-7=2\\9-7=2\\12-9=3\\<u><em></em></u>

<u><em>Step 4: Add all the absolute deviations:</em></u>

3+1+1+1+3+2+2+3=16

<u><em>Step 5: Find the mean:</em></u>

\frac{3+1+1+1+3+2+2+3}{8}=2

7 0
3 years ago
Solve the proportion <br><br> z/5 = 2/1<br><br> z =
ira [324]

Answer:

Hi! The correct answer is z=10

Step-by-step explanation:

<em><u>~Solve for z by simplifying both sides of the equation, then isolating the variable~</u></em>

<em><u /></em>

3 0
3 years ago
Read 2 more answers
A leprechaun places a magic penny under a​ girl's pillow. The next night there are 2 magic pennies under her pillow. The followi
Mars2501 [29]

Answer:

36 days

Step-by-step explanation:

Since the pennies need to be kept under the pillow in order to be doubled, we're really looking for the day the girl will wake up with 21 billions pennies under her pillow.

The general formula of that geometric sequence will be: t = 1 + 2^(n-1)

We need to find the value of n when t will be over 21,000,000,000.

So, the equation becomes:

21,000,000,001 = 1 + 2^(n-1)

2^(n-1) = 21,000,000,000

log(2^(n-1)) = log(21,000,000,000)

(n-1) * log(2) = log(21,000,000,000)

n-1 = log(21,000,000,000) / log(2)

n-1 = 34.29

n = 35.29

Since it has to be complete days, and we have to reach over 21 billions, then we round it up to 36.

5 0
3 years ago
40 mangoes cost $16, if the rate remains the same, how many mangoes can be purchased with $4
Mama L [17]

Answer:

You can buy 10 mangoes for $4.

Step-by-step explanation:

40/16 = x/4

16x = 160

x = 10

6 0
3 years ago
;-;" welp... umm my question is in da pic
andre [41]

Answer:

Step-by-step explanation:

10 to the power 2 is 100. So just multiply 100 x 75 and you get 7500.

So your answer is 7500 pounds of food in 100 days

Can I have brainlyist?

Hope it helps :D

6 0
3 years ago
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