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2 years ago

How to tell time on a clock

2 answers:

7 0

This has always helped me. When looking at the clock the longer hand is doing minutes. For example if the long hand is pointing at the 1 ad the smaller hand( which is hours) can be pointing at 3 it would be 3:15.
On the clock there is 1-12. One is 5 mins. 2=10, 3=15 and you are counting by 5’s on 1-12 if it is in between 5-6 is could be 25 because 5 is 20 and 6 is 30. Also if you are wondering what the red hand in the clock is, it just counts the second too. Hope this helped:))

professor190 [17]2 years ago

4 0

When the long hand points at a number that's the hour when the short hand points at a number you're counting by 5s. so 1=5, 2=10, 3=15, 4=20, 5=25, 6=30, 7=35, 8=40, 9=45, 10=50, 11=55, and when you reach 12 a new hour starts.
hope this helps please mark me brainliest

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Can you ever use a calculator to determine if a number is rational or irrational?

timofeeve [1]

A rational number is simply a term that can be expressed as a fraction. Otherwise, that is an irrational number. So, you can use a calculator to verify if the number is rational or not.

The key characteristic of an irrational number is when it contains a long line of decimal places. For example, the term π and the Euler's number e are irrational numbers. The exact values of π and e are 3.14159 and 2.71828182846, respectively. In reality, those decimal places go on a long way. Particularly, π has a total of 2.7 trillion digits. Numbers inside radicals or roots can also be irrational numbers. For example √3 is irrational because it is equal to 1.732050808. However, not all radicals are irrational. For example √15.3664 is equal to 98/25 or 3.92. That is a rational number. So, therefore, use the calculator to know the exact value of the term to properly distinguish rational from irrational.

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3 years ago

What is the equation of a line that contains point (4, –3) and is PARALLEL to –4x + y = 7?

Debora [2.8K]

Answer:

Step-by-step explanation:

First, put -4x+y=7 into y=mx+b format

move -4x to the other side (or add 4x on both sides)

y=4x+7

now, parallel lines have the same slopes, but not the same y intercepts.

So, you already know the slope of your new line

y=4x+b

now we need to find b (y intercept)

take the point (4,-3) and put it into the equation above

-3=4(4)+b

-3=16+b

move 16 to the other side (or subtract 16)

-19=b

therefore the new line will be y=4x-19

Hope this helps!

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3 years ago

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2 years ago

AB = 3 + x

ICE Princess25 [194]

The given quadrilateral ABCD is a parallelogram since the opposite sides are of same length AB and DC is 4 and AD and BC is 2.

Step-by-step explanation:

ABCD is a quadrilateral with their opposite sides are congruent (equal).

The both pairs of opposite sides are given as AB = 3 + x , DC = 4x , AD = y + 1 , BC = 2y.

AB and DC are opposite sides and have same measure of length.
AD and BC are opposite sides and have same measure of length.

To find the length of AB and DC :

AB = DC

3 + x = 4x

Keep x terms on one side and constant on other side.

3 = 4x - x

3 = 3x

x = 1

Substiute x=1 in AB and DC,

AB = 3+1 = 4

DC = 4(1) = 4

To find the length of AD and BC :

AD = BC

y + 1 = 2y

Keep y terms on one side and constant on other side.

2y-y = 1

y = 1

Substiute y=1 in AD and BC,

AD = 1+1 = 2

BC = 2(1) = 2

Therefore, the opposite sides are of same length AB and DC is 4 and AD and BC is 2. The given quadrilateral ABCD is a parallelogram.

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3 years ago

In which quadrant does the point (4,13) lie

Semenov [28]

1st quadrant hope this helps!

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3 years ago