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Anestetic [448]
3 years ago
6

Please help me, its due today!!!

Mathematics
1 answer:
zlopas [31]3 years ago
8 0

Answer:

7

Step-by-step explanation:

So we have the expression:

|3x-1|

And we want to evaluate it for x=-2.

So, substitute -2 for x:

|3(-2)-1|

Multiply:

=|-6-1|

Subtract:

=|-7|

The absolute value of a negative is positive. So:

=7

And we're done!

You might be interested in
Mr. Juarez opened a savings account with an initial deposit of $560 and will not make any additional deposits or withdrawals. Th
olga_2 [115]

Answer:

$576.80

Step-by-step explanation:

We have been given that Mr. Juárez opened a savings account with an initial deposit of $560 and will not make any additional deposits or withdrawals. The account earns 1% simple interest.

We are asked to find the total amount that Mr. Juárez will have in his account at the end of 3 years.

We will use simple interest formula to solve our given problem.

A=P (1+rt)

A = Final amount after t years,

P = Principal amount,

r = Annual interest rate in decimal form,

t = Time in years.

Let us convert 1% into decimal form,

1%=1/100=0.01

P=$560 and t=3

A=$560 (1+0.01(3))

A=$560 (1+0.03)

A= $560 (1.03)

A= $576.80

Therefore, Mr. Juárez will have $576. 80 in his account at the end of 3 years. Hope this helps!

5 0
3 years ago
21.79 + x = 25<br><br><br> make sure to do a explanation
laiz [17]

Answer:

x= 3.21

Step-by-step explanation:

25- 21.79= 3.21

the equation equals to 25 so you need to find what x is by subtracting the other value

Hope this helps

6 0
3 years ago
Multiply and Simplify<br> (x-4)(-5x - 6)
zmey [24]

Answer:

-5x^2 +14x +24

Step-by-step explanation:

(x-4)(-5x - 6)

FOIL

first : x*-5x = -5x^2

outer : -6x

inner: -4*-5x = 20x

last: -4*-6 = 24

Add them together

-5x^2 -6x+20x +24

-5x^2 +14x +24

5 0
3 years ago
James bought 5 boxes of cookies and 2 cakes at the store for his party. The cakes cost $4 each and his total bill was $28.50, ho
maxonik [38]
Number of cookie boxes bought by James = 5
Number of cakes bought by James = 2
Cost of each cakes = $4
Total bill paid by James = $28.50
Let us assume the cost of the each boxes of cookies = x
Then
5x + (2 * 4) = 28.50
5x + 8 = 28.50
5x = 28.50 - 8
5x = 20.50
x = 20.50/5
   = 4.10
So we can see from the above deduction that the cost of each boxes of cookies bought by James is $4.10
7 0
3 years ago
80 members decreased by 65%
mrs_skeptik [129]
The answer would be 28 because....
 
First, you would multiply 80 and .65 (changed the percentage to decimal) which is 52 

Then, subtract 80 and 52 to get 28
4 0
3 years ago
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