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3 years ago

What is the process of using a line over the repeating digits of a decimal

Mathematics

2 answers:

White raven [17]3 years ago

4 0

Answer: i'm pretty sure it is called repeating

mixer [17]3 years ago

3 0

Answer:

Step-by-step explanation:

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Which is an example of the associative property?

Advocard [28]

The first thing we are going to do to solve the problem is to define what associative property is:
Associative property Property that is fulfilled if, given any three elements of a given set, it is verified that there is an operation that verifies equality
An expression that meets the definition is:
(x + 3) + 7 = x + (3 + 7)
We observe that both members of equality are identical, but written in different ways.
Answer:
B) (x + 3) + 7 = x + (3 + 7)

5 0

3 years ago

What is BC ? Enter your answer in the box.

tangare [24]

Lines AB and AC are equal so you set up an equation like so...
4x + 1 = 2x + 23
Subtract 1 from both sides.
4x = 2x + 22
Subtract 2x from both sides.
2x = 22
Divide.
x = 11
Now you need to plug in 11 into 3x - 8.
3(11) - 8
= 33 - 8
= 25
So BC is 25.
I hope this helps love! :)

5 0

4 years ago

From a boat on the lake, the angle of elevation to the top of a cliff is 26°1'. If the base of the cliff is 205 feet from the bo

e-lub [12.9K]

First off hmm 26°1' is just 26 degrees and 1 minute

there are 60 minutes in 1 degree, so 1minute is just 1/60 degrees
so 26°1' is 26° + (1/60)° or 26.1667 rounded up, since 1/60 is a recurring unit

alrite... so hmm, check the picture below

make sure your calculator is in Degree mode.

8 0

3 years ago

When can you use the square roots of perfect squares to determine the perfect roots of decimals ?

Alika [10]

If you want to find the decimal value of a square root, you can use the 2 closest perfect squares to them.

Example

Approximate the value of sqrt20

Pick the 2 closest perfect squares, one before and one after 20:

16 and 25.

So, the square root of 20 has to be between 4 and 5.

Since 20 is closer to 16 than it is to 25,

We can estimate the decimal value of sqrt20 to be around 4.4

8 0

2 years ago

A group of students volunteered to finish a task in 25 days .1 Q of students did not come n the work could b completed in 35 day

SpyIntel [72]

Answer:

p=7Q/2

Step-by-step explanation:

Original number of students:

p students to do 1 job in 25 days.

Let r= the rate for 1 student.

pr*25=1

pr*25=1 is the work rate equation for p students.

Lesser number of students:

p-Q students came to do the job and time required was 35 days.

(P-Q)*r*35=1.

The unknowns are p, Q and r

Equate the original number of students and the lesser number of students

pr*25=(P-Q)*r*35

25rp=35rp - 35Qr

Collect like terms

25rp-35rp = -35Qr

Divide both sides by -5

-5rp+7rp=- 7rp

It can be re written as

7rp-5rp=-7Qr

2rp=7Qr

Make p the subject of the formula

p=7Qr/2r

p=7Q/2

p=7Q/2 is the original number of students

-10rp = -35Qr

The system of these two equations can be solved for p. See the THREE unknown

variables, p, r, and Q. You might assume that either r or Q would be a constant.

5 0

3 years ago

What is the process of using a line over the repeating digits of a decimal ​

What is the process of using a line over the repeating digits of a decimal