3 years ago

The absolute value of any real number is

Mathematics

1 answer:

Alex3 years ago

8 0

Answer:

A. Nonnegative

Step-by-step explanation:

By definition, the absolute value of any number must be positive (i.e non-negative).Hence A is the answer.

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What is the median of 49 47 48 33 51 38 47 42 34

statuscvo [17]

Answer:

Step-by-step explanation:

arranging in ascending order

33,34,38,42,47,47,48,49,51

total number of terms=9

median=(9+1)/2=5th term=47

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2 years ago

Read 2 more answers

In the isosceles △ABC m∠ACB=120° and AD is an altitude to leg BC . What is the distance from D to base AB , if CD=4cm?

7nadin3 [17]

Correct answer is: distance from D to AB is 6cm

Solution:-

Let us assume E is the altitude drawn from D to AB.

Given that m∠ACB=120° and ABC is isosceles which means

m∠ABC=m∠BAC = $\frac{180-120}{2}=30$

And AC= BC

Let AC=BC=x

Then from ΔACD , cos(∠ACD) = $\frac{DC}{AC} =\frac{4}{x}$

Since DCB is a straight line m∠ACD+m∠ACB =180

m∠ACD = 180-m∠ACB = 60

Hence $cos(60)=\frac{4}{x}$

$x=\frac{4}{cos60}= 8$

Now let us consider ΔBDE, sin(∠DBE) = $\frac{DE}{DB} =\frac{DE}{DA+AB} = \frac{DE}{4+8}$

$DE = 12sin(30) = 6cm$

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3 years ago

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joja [24]

The slope is 0 or answer B.)

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2 years ago

What is every password comnason with four numbers through 1234567890

BabaBlast [244]

There is 10,000 possible combinations for the numbers 0-9

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3 years ago

I need help solving 12 1/4 - 5 2/3 I’m having trouble

Lady_Fox [76]

Answer:

6 7/12

Step-by-step explanation:

We need to get a common denominator, which is 12

12 1/4 - 5 2/3

12 1/4*3/3 - 5 2/3*4/4

12 3/12 - 5 8/12

We will need to borrow from the 12 since 3/12 is less than 8/12. Write the 1 we borrow as 12/12

11 + 12/12 + 3/12 - 5 8/12

11 15/12 - 5 8/12

6 7/12

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3 years ago