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shepuryov [24]
3 years ago
10

A quarter has a diameter of 2.4. if it makes 8 rotations how far did it roll

Mathematics
2 answers:
Damm [24]3 years ago
8 0
Radius = 2.4/2
1.2
circumference = 2piR
= 12/5 pi
Distance = 12/5 pi * 8
= 60.3 units
PolarNik [594]3 years ago
5 0

Answer:

7.536

Step-by-step explanation:

I think it means to find the perimeter  and multiply it by 8.

The perimeter of a circle is called the circumference.

C = pi(d)

C = pi(2.4)

C = 7.536

My teacher has us use 3.14 for pi so if your teacher has you use something else just multiply it by 2.4.

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Using all these numbers in order 8, 6, 4 and 2, write an expression that equals 6 // 10 POINTS // GIVING BRANLIEST
Ipatiy [6.2K]

Answer:

<h2>8x6÷4÷2=6</h2>

Step-by-step explanation:


3 0
3 years ago
Determine whether the cost for ordering multiple items that will be delivered is sometimes, always or never proportional. Explai
Tanzania [10]
It could sometimes be proportional. The reasoning here is that if all the items have different prices it won't be, however if the items you are ordering all have the same price they will be!
5 0
3 years ago
What is another way to write the expression t. (14--5) ?
melomori [17]

Answer: Second option.

Step-by-step explanation:

It is important to remember the Distributive Property in order to solve this exercise.

The Distributive property states that:

a(b+c)=ab+ac\\\\\\a(b-c)=ab-ac

In this case you have the following expression provided in the exercise:

t(14-5)

Then, in order to write this expression in another way, you can apply the Distributive property. Multiply each number inside the parentheses by "t".

Applying this procedure, you get:

t(14-5)=(t14)-(t5)

Notice that this expression matches with the one shown in the the second option.

8 0
3 years ago
Please explain I need help with all these
sergey [27]
For all of these you're trying to solve for the variable. The variable is usually a number or symbol.

11) -44+n=36
Step one would be to add 44 to both sides of the equation.

N=80

12) -36=p-91
Step one would be to add -91 to both sides of the equation.

P=55

13) X-225=671
Step one you be to add 225 to both sides of the equation. Although it may seem difficult because of the big numbers, it's the same technique.

14) 19=c-(-12)
Step one on this equation will be a little different. Because there are two negative signs (-), they turn into a plus sign. Remember, two negative signs make a positive sign.

19=c+12

Now you just subtract 12 from each side of the equation.

6=C
3 0
2 years ago
Help!!!!!!!<br> I need to find the surface area of this image.
Kaylis [27]

Answer:

length;12cm

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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