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o-na [289]
3 years ago
15

The ratio of the weight of an object on Planet A to the weight of the same object on Planet B is 100 to 3. If an elephant weighs

4100 pounds on Planet​ A, find the​ elephant's weight on Planet B.
Mathematics
2 answers:
Svetlanka [38]3 years ago
6 0
Elephant weight on planet B is = 123 because 4100 ÷ 100 = 41 × 3 is 123.
guapka [62]3 years ago
4 0
Planet A : Planet B
   100      :      3
  (x 41)          (x 41)
4100       :     123


Answer: The elephant that will weigh \boxed {\boxed {\text {123 pounds}}} in Planet B.

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PLEASE HELP WITH MATHH
Scorpion4ik [409]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
Find and interpret the mean absolute deviation of the data. Round your answers to the nearest tenth. If necessary 101.5 98.7 95.
lesya692 [45]

Answer:

\bar X = 100.4

And we can calculate the deviations from each value like this:

|101.5-100.4 |=1.1

|98.7-100.4 |=1.7

|95.4-100.4 |=5.0

|92.3-100.4 |=8.1

|109.8-100.4 |=9.4

|104.7-100.4|=4.3

And the mean absolute deviation would be:

MAD =\frac{1.1+1.7+5.0+8.1+9.4+4.3}{6}= 4.93

Step-by-step explanation:

For this case we have the following dataset given:

101.5 98.7 95.4 92.3 109.8 104.7

We can calculate the mean with the following formula:

\bar X =\frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X = 100.4

And we can calculate the deviations from each value like this:

|101.5-100.4 |=1.1

|98.7-100.4 |=1.7

|95.4-100.4 |=5.0

|92.3-100.4 |=8.1

|109.8-100.4 |=9.4

|104.7-100.4|=4.3

And the mean absolute deviation would be:

MAD =\frac{1.1+1.7+5.0+8.1+9.4+4.3}{6}= 4.93

8 0
3 years ago
Suppose two acid solutions are mixed. One is 26% acid and the other is 34% acid. Which one of the following concentrations canno
valentina_108 [34]

Answer:

A

Step-by-step explanation:

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3 years ago
The table shows the charges for a catering service. Based on the pattern in the table, calculate the charge for catering a party
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the answer is B because to get the total cost, first divide 450 by 50. This gives us 9. We then multiply 9 by $600 to get a total of $5400.

7 0
3 years ago
Read 2 more answers
A square matrix A is said to be idempotent iff A2 = A. (i) Show that if A is idempotent, then so is I − A. (ii) Show that if A i
muminat

Answer:

Step-by-step explanation:

Given that A is a square matrix and A is idempotent

A^2 = A

Consider I-A

i) (I-A)^2 = (I-A).(I-A)\\= I^2 -2A.I+A^2\\= I-2A+A\\=I-A

It follows that I-A is also idempotent

ii) Consider the matrix 2A-I

(2A-I).(2A-I)=\\4A^2-4AI+I^2\\= 4A-4A+I\\=I

So it follows that 2A-I matrix is its own inverse.

7 0
3 years ago
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