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faust18 [17]
2 years ago
14

the distance d a train travela varies directly with the amount of time t that has elapse since departure. If the train travela 4

75 miles in 9.5 hours, how many miles did the train travel after 4hours
Mathematics
1 answer:
antiseptic1488 [7]2 years ago
7 0
475/9.5 x4 = 200miles in 4hrs
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Five spheres are being painted for a display at a store. If the diameter of each sphere is
ivanzaharov [21]
<h2>Hello!</h2>

The answer is:

The total area is:

TotalArea=192.4cm^{2}

<h2>Why?</h2>

To find the cloasest value to the total surface area that will be painted, we need to calculate the area of a single sphere, and then, multiply it by 5.

We know that the diameter of each sphere is 7 centimeters, so, calculating we have:

Calculating the radius we have,

diameter=2*radius\\\\radius=\frac{diameter}{2}=\frac{7cm}{2}=3.5cm

Then, calculating the area, we have:

Area=\pi radius^{2}

Area=\pi 3.5cm^{2}=38.49cm^{2}

Now that we have calculated the surface area of a single sphere, we need to calculate the area of the five spheres.

So, calculating we have:

TotalArea=5*38.48cm^{2}=192.4cm^{2}

Hence, the total area is:

TotalArea=192.4cm^{2}

Have a nice day!

4 0
3 years ago
Which of the following rotational symmetry apply to to the parallelogram?​
Natasha2012 [34]

Answer:

Rotational symmetry of 180 degrees around the origin - yes

Rotational symmetry of 270 degrees around the origin - no

Step-by-step explanation:

thanks to math bits notebook we can see a visual representation

As you can see the parallelogram has rotational symmetry of 180

7 0
3 years ago
What is the 10th term of the geometric sequence 1/256,1/128,1/64,1/1
chubhunter [2.5K]

Answer:

2

Step-by-step explanation:

you multiply each term by 2

4 0
3 years ago
I don’t know how to show it in a equation
larisa86 [58]
What question number?

7 0
3 years ago
can someone use the order of operations to add or move the parentheses so the statements are equal (18÷2) + 14 - 8^3 - 25 = 200
Neko [114]
There is no solution
I put it in an online calculator and it said that as well
6 0
3 years ago
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