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Rama09 [41]
3 years ago
11

A right rectangular prism is shown. What shape best describes the cross section cut perpendicular to the base of a right rectang

ular prism?
Mathematics
1 answer:
bulgar [2K]3 years ago
3 0
C  a rectangle. brainily says this is too short so I am writing more 
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Help pls ????????!!!!!!
7nadin3 [17]

Answer:

let the number of steps taken by friend 1, 2 and 3 be: x, y and z respectively

we know that the mean of the total steps taken by all the friends is 10,350

Since the formula for mean is: sum of all values / number of values

here, the total values is the total number of steps taken

So,

steps taken by friend 1  +steps taken by friend 2 +steps taken by friend 3 +steps taken by friend 4 +steps taken by friend 5 +steps taken by friend 6

all that divided by 6 will give us the mean

so,  <em>7800 + 8000 + 9800 + x + y + z / 6</em>

<em>(25600 + x + y + z)/6 = 10350</em>

<em>25600 + x + y + z = 10350 * 6</em>

<em>x + y + z = 62100 - 25600</em>

x + y + z = 36500

So since the sum of x, y and z is 36500,

we can say that the average value of x , y and z is 12167 (36500/3)

So the next thing to make an equation out of is Median

to find the median, we need to arrange the values in any order you like, i will arrange in descending order

so since the estimated value of all x , y and z is greater than the greatest known value:

x > y > z > 9800 > 8000 > 7800

Since this set of values has an even number of values, we will take the average of the middle 2 values as the median

<em>(9800 + z)/2 = 10000</em>

<em>9800 + z = 20000</em>

z = 10200 -------- we have found one of the three values! getting closer

Now, the final equation will be found from the range

since we already have sorted our data, and the difference of the highest and lowest is the range

x > y > z > 9800 > 8000 > 7800

So, x - 7800  = 7500

x = 15300 ------- now that we have x and z, we can use the first equation to find the value of y and we will be done!

<em>x + y + z = 36500</em>

<em>replacing the values</em>

<em>15300 + y + 10200 = 62100</em>

<em>y = 36500 - 25500</em>

<em>y = 11000</em>

So the three remaining friends walked

15300, 11000 and 10200 steps

6 0
3 years ago
Sarah has a floor plan of a room that is 5 inches wide and 6 inches long. The scale of the floor plan is 1/ 3 inch = 2 ft. What
Romashka-Z-Leto [24]
To answer this question, you could dad a couple things.

One of them is to set up a proportion with you original scale and then solve for the width.

1/3 inch:2 ft = 5 inches:x feet

Use cross multiplication to get:
2 x 5 = 1/3x
10 = 1/3x; divide both sides by 1/3

x = 30 feet

Another way to do this would be to figure out how many groups of 1/3 there are in 5 inches or 5÷1/3. This answer is 15. This means it would be 15 groups of 2 feet or 30 feet.

The width is 30 feet.

5 0
3 years ago
Please help, very much needed. Thanks, oh and I give brainliest!
kramer

Answer:

D I think

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
the mean mark got by 6 pupil's in a cat is 75.5 of them scored 83 73 71 67 and 69. what was the score of the sixth pupil?.what w
vichka [17]

Answer: score if the sixth pupil is 90

Step-by-step explanation:

Mean mark-75.5

6pupil

83+73+71+67+69+x= 75.5

363+x=75.5×6

×=453-363

×=90

8 0
3 years ago
Describe the Transformations that takes f(x) = x+1 to g(x) = -x+4
krek1111 [17]
The sign on the 'x' changes, this implies a reflection.

g(x) = -f(x) = -(x+1) = -x -1

Now apply a vertical translation 'up 5' to f(x)

g(x) = -f(x) + 5 = (-x-1) +5 = -x +4
5 0
3 years ago
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