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Diano4ka-milaya [45]
3 years ago
9

What is the solution to the equation?

Mathematics
2 answers:
julsineya [31]3 years ago
7 0

Answer:

Step-by-step explanation:

5(n-\frac{1}{10})=\frac{1}{2}\\\\5n-5*\frac{1}{10}=\frac{1}{2}\\\\5n-\frac{1}{2}=\frac{1}{2}\\\\5n=\frac{1}{2}+\frac{1}{2}\\\\5n=1\\\\n=\frac{1}{5}

Marina86 [1]3 years ago
6 0
N=1/5 I think i had this question before.
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Andrea has 3 tiles.
mash [69]

Step-by-step explanation:

We are going to start by working out the interior angles so first of all to work out the interior angle we used the formula: num of sides - 2 * 180 for the sum of degrees in a shape.

Lets test this formula.

Lets say we have a square it has 4 sides 4-2 = 2 *180 = 360 this is correct,meaning we can trust this formula.

Now lets put it to use.

Octagon has 8 sides - 2 = 6.

6 * 180 = 1080

Pentagon has 5 sides - 2 = 3

3 * 180 = 540

Another Pentagon 5 sides - 2 = 3

3 * 180 = 540

We have to find out a single angle because it is one side that joins to the other, also if it is a perfect fit then all the single angles must add up to 360.

1080/8 sides = 135 degrees

540 / 5 sides = 108 degrees

540 / 5 sides = 108 degrees

We add these up,

135 + 108 + 108 = 351 which cannot be a possible fit because we need 360 degrees.

Hope this helps

4 0
3 years ago
¿porque algunos objetos flotan y otros se hunden en el agua​
Darina [25.2K]

Answer:

due to the pull of gravity and depending on particals that the object is made of

8 0
2 years ago
Make q the subject of the formula
miss Akunina [59]

Answer:

q = 2p - 1/3

Step-by-step explanation:

2q + 2p = 1+5q

2q = 1+5q-2p

-3q=1-2p

-q = 1-2p/3

q= 2p-1/3

8 0
2 years ago
Read 2 more answers
A game spinner has regions that are numbered 1-9. If the spinner is used twice what is the probability that the first number is
KonstantinChe [14]
2/9 right???? because if you spin it you have a 1/9 chance for each number or would the answer be 2/81
3 0
3 years ago
How many three-digit phone prefixes that are used to represent a particular geographic area are possible that have no 0 or 1 in
Sonbull [250]

Answer:

The number of possible three-digit phone prefixes that are used to represent a particular geographic area is 640.

Step-by-step explanation:

The phone prefixes used to represent a particular geographic area are a 3 digit code consisting of numbers from 0 to 9.

The prefix code are of the form: <u>x</u> <u>x</u> <u>x</u>

Condition: The first or the second place cannot take values 0 or 1.

Then the first place can be occupied by the remaining 8 digits.

Similarly the second place can also be occupied by the remaining 8 digits.

And the third place can be occupied by any of the 10 digits.

So the number of ways to construct a phone prefix for any area is:

Possible\ number\ of\ phone\ prefixes=8\times8\times10=640

Thus, the number of phone prefixes possible for any area is 640.

4 0
3 years ago
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