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Allushta [10]
3 years ago
9

If x=5,what is the value of 3(x-2)

Mathematics
2 answers:
Andreas93 [3]3 years ago
6 0
3 *( x - 2 ) ⇒ 3 * (5 - 2) ⇒ 3 * 3 = 9
Nimfa-mama [501]3 years ago
5 0
3(5-2)
3x3 = 9

the answer is 9
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From a thin piece of cardboard 40 in by 40 in, square corners are cut out so that the sides can be folded up to make a box. what
lutik1710 [3]
The dimensions of the square base after cutting the corners will be (40-2x). The depth of the box will be x, so its volume is given by
  V = x(40-2x)²

You can differentiate this to get
  V' = 12x² -320x -1600
Setting this to zero and factoring gives
  (3x-20)(x-20) = 0
The appropriate choice of solutions is
  x = 20/3 = 6 2/3

The dimensions of the box of maximum volume are
  26 2/3 in square by 6 2/3 in deep

The maximum volume is
  (80/3 in)²(20/3 in) = 4740 20/27 in³

7 0
2 years ago
What can you infer about the population from each data set represented below?
-BARSIC- [3]
The population seems like a young age group.
8 0
3 years ago
You are considering the services of three different employment agencies, all of which can get you a job that starts at $2,000 a
Sunny_sXe [5.5K]

Answer:

Agency C offers the least expensive overall fee

Step-by-step explanation:

Alone from gross salary, you would make 24000 a year.

Agency A

24000 - ( 2000 x 0.5)

= 23,000

$1000 fee

Agency B

24000 - ( 2000 x 0.1 ) x 6

= 24000 - 200 x 6

= 24000 - 1200

= 22,800

$1200 fee

Agency C

24000 - (500 + 100)

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$600 fee

4 0
2 years ago
5 + 3(2+6) ÷ 4 <br> can someone explain how to solve this
konstantin123 [22]

Answer: 4.5

Step-by-step explanation:

do the numbers that are in parentheses first which is 2+6=8 next is 5+3=8 then add both ur answers together then divide that by 4 which should equal 4.5

7 0
3 years ago
Read 2 more answers
Given f (x)=-3x+4 what is f (-4)<br> a.-40<br> b.-22<br> c.-1<br> d.40
FinnZ [79.3K]
F(x)=-3(x)+4
Therefore this implies that we must put the -4 where we see an X on the equation
F(-4)=-3(-4)+4
=16
6 0
3 years ago
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