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brilliants [131]
3 years ago
15

Select the correct answer from each drop-down menu.

Mathematics
2 answers:
Anestetic [448]3 years ago
6 0

Answer:

A. 1. Inner

B.1. Outer

A.2. Mars

B.2. Uranus

Step-by-step explanation:

I had this question on a semester test and i passed the test all 42 questions with a 100. (plato)

olganol [36]3 years ago
4 0

<u>Answer:</u>

Planet A is inner  

Planet A is Mars

Planet B is Outer

Planet B is Uranus

<u>Solution:</u>

We know that the inner planets are the planets which are close to the sun. They are relatively small, mostly rocky composition, and have few or no moons.

On other hand, the outer planets are the planets which are far away from the sun. They are mostly huge, ringed, gaseous and have several moons.

In the given problem,  

Planet A has rocky mantle and iron core, less no of Moons and no rings, also due to 96% of carbon dioxide, 3% nitrogen and 1% other gases this is denser, and Hence Planet A is inner planet. As the distance from the sun is 1.5 AU and no of moons are 2, hence Planet A is Mars.

On the other hand, Planet B is gaseous with hydrogen and helium gas, hence it is also denser and it has large no of moons and faint rings. So Planet B is Outer planet. As the distance of the planet is 19.22 AU and has 27 moons, hence Planet B is Uranus.

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Answer:

6

Step-by-step explanation:

to find how many pieces we use division

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4.5 ÷0.75 = 6 pieces

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Suppose that you were not given the sample mean and sample standard deviation and instead you were given a list of data for the
Troyanec [42]

Answer:

So, the sample mean is 31.3.

So, the sample standard deviation is 6.98.

Step-by-step explanation:

We have a list of data for the speeds (in miles per hour) of the 20 vehicles. So, N=20.

We calculate the sample mean :

\mu=\frac{19 +19 +22 +24 +25 +27 +28+ 37 +35 +30+ 37+ 36+ 39+ 40+ 43+ 30+ 31+ 36+ 33+ 35}{20}\\\\\mu=\frac{626}{20}\\\\\mu=31.3

So, the sample mean is 31.3.

We use the formula for a sample standard deviation:

\sigma=\sqrt{\frac{1}{N-1}\sum_{i=1}^{N}(x_i-\mu)^2}

Now, we calculate the sum

\sum_{i=1}^{20}(x_i-31.3)^2=(19-31.3)^2+(19-31.3)^2+(22-31.3)^2+(24-31.3)^2+(25-31.3)^2+(27-31.3)^2+(28-31.3)^2+(37-31.3)^2+(35-31.3)^2+(30-31.3)^2+(37-31.3)^2+(36-31.3)^2+(39-31.3)^2+(40-31.3)^2+(43-31.3)^2+(30-31.3)^2+(31-31.3)^2+(36-31.3)^2+(33-31.3)^2+(35-31.3)^2\\\\\sum_{i=1}^{20}(x_i-31.3})^2=926.2\\

Therefore, we get

\sigma=\sqrt{\frac{1}{N-1}\sum_{i=1}^{N}(x_i-\mu)^2}\\\\\sigma=\sqrt{\frac{1}{19}\cdot926.2}\\\\\sigma=6.98

So, the sample standard deviation is 6.98.

3 0
3 years ago
12 1/2 divided by 1 1/9
Taya2010 [7]
The answer is 11 5/20 but simplified it is 11 1/4
4 0
3 years ago
Read 2 more answers
jayson buys a car and pays by installments.each installmentsis $567 per month.after 48 month, jayson owes $1250. what was the to
puteri [66]

Let

T--------> the total price of the vehicle

x--------> amount paid

y--------> amount owed

we know that

the total cost of the vehicle is equal to the amount paid plus the amount owed

so

T=x+y

<u>Find the amount paid</u>

x=567*48\\ x=27,216\ dollars

<u>Find the amount owed</u>

y=1,250\ dollars

<u>Find the total cost of the vehicle</u>

T=x+y\\ T=27,216+1,250\\ T=28,466\ dollars

therefore

the answer is

the total price of the vehicle is 28,466\ dollars

7 0
3 years ago
Read 2 more answers
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