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Leviafan [203]
3 years ago
11

If f(x) = |-3x - 6| - 10, find f(5)

Mathematics
2 answers:
Sauron [17]3 years ago
8 0
Hey there!!

How do we solve this?

We substitute the value of 5 instead of x

Given :

f(x) = l -3x - 6 l

f(5) = l -15 - 6 l

f(5) = l -21 l

As the value inside a mod shall always be positive, the required answer is 21

Hence, the required answer is 21

Hope my answer helps!
brilliants [131]3 years ago
6 0
| -3(5) - 6 |
-15 - 6
21 - 10
=11
I made the 21 positive because when it’s in the absolute value bracket it’s ALWAYS positive. Any thing inside the bracket is positive. So I think the answer 11.
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AURORKA [14]

Answer:

60-32i

Step-by-step explanation:

(8-2i)^2=8^2-2.8.2i+(2i)^2

=64-32i+4i^2

=64-32i-4

=60-32i

8 0
3 years ago
Alex buys a top of the line computer. He did not realize that the computer would lose value so fast. If his computer cost $1800.
Natali [406]

This can be solve by using the formula

D = P( 1 – i)^n

Where d is the depreciation value after n years

P is the initial value

i is the depreciation rate

n is the years

D = 1/3 ( 1800)

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Solve for n

<span>N = 1.83 years</span>

3 0
3 years ago
NEED HELP ASAP!!
devlian [24]

Answer:we multiply by the reciprocal of a fraction when completing a division problem because it is a rule in mathematics that when you divide two fraction, you change the division sign to multiplication and flip the fraction at the right of the multiplication sign.

Step-by-step explanation:

For example if you have 4÷ 1/2. It basically means how many 1/2 can one get in 4. And the answers is 8.

Therefore multiplying by the reciprocal of a fraction when completing a division problem is a short cut method that has been tested and proven to be correct.

4 0
3 years ago
Hi everyone! I have a question!
Tju [1.3M]

Answer:

7π

Step-by-step explanation:

SO first find the area of the whole circle

which has a radius of 3

a=πr^2

So 3^2=9

9π

Now the two circles which are the same in area due to having the same radius

so if you plug in the 1 for radius the answer would just be π or 1π

now multiply that by 2 becuase there are 2 identical circles

π*2=2π

Now subtract

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3 0
3 years ago
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MariettaO [177]

Answer:

y=-4x+4x-32

Step-by-step explanation:

3 0
3 years ago
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