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Blababa [14]
3 years ago
15

What does |a|=|b| mean?

Mathematics
2 answers:
marysya [2.9K]3 years ago
6 0

Answer:

See below.

Step-by-step explanation:

The 2 vertical lines about  the letters mean ' the absolute value of' . That is if a  or b have negative values then the absolute value will be the positive . For example if a = -4 then |a| = 4. The absolute value is always positive.

Therefore, for example, if a is 2 and b = -2 then |a| will be equal to |b|, because they both have a value of 2.

12345 [234]3 years ago
5 0

Answer:

  a = ±b

Step-by-step explanation:

The vertical bars are the symbol for "absolute value", so the equation is saying, "the absolute value of 'a' is equal to the absolute value of 'b'." The absolute value is the magnitude of a number, so, for example, |-3| = 3.

If the magnitudes of two numbers are the same, they may be the same value, or they may differ in sign.

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17) Evaluate D(4)<br> Please help
WINSTONCH [101]

Answer:

D(4) = 6

Step-by-step explanation:

Using the blue graph, find the y value when x =4

the y value is 6 when x=4

D(4) = 6

3 0
3 years ago
Which answer describes the transformation of f(x)=log2(x−5)−2 from the parent function g(x)=log2x ? A) It is the graph of g(x) s
damaskus [11]

Answer:

It is the graph of g(x) shifted 5 units right and 2 units down.

Step-by-step explanation:

Given : f(x)=log_2(x−5)−2  

the parent function g(x)=log_2(x)

To get f(x) , 5 is subtracted from x

If we add any number with x  then we shift left

If we subtract any number from x  then we shift right

Here 5 is subtracted from x , so we shift 5 units right

Also -2  at the end

If we add any number at the end , then we shift up

if we subtract any number at the end , then we shift down

Here 2 is subtracted at the end , so we shift 2 units down

It is the graph of g(x) shifted 5 units right and 2 units down.

4 0
3 years ago
100 points and brainliest! geometry<br><br> please explain :)<br><br> thanks for reading this :)
scoundrel [369]

Hellooooo!! Marie Here!!!

The answer is here:

The value of "x" is 9

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7 0
3 years ago
Her exercise today, Amanda plans to both run and swim. Let
vlabodo [156]
R = laps she runs
s = laps she swims
each r (laps she runs) takes 5 min. 
each s (laps she swims) takes 3 min. 
She wants to run for 30 min.

So your inequality should = 30 


5 0
3 years ago
How many fifths are the in 60/100
tankabanditka [31]
In order to calculate that, we need to divide it by 1/5 as follows:
60/100 / 1/5

We can re-write it as: 60/100 * 5 = 6/10 * 5 = 30/10 = 3

So, there are "3" 1/5ths in 60/100

Hope this helps!
8 0
3 years ago
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