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VashaNatasha [74]
3 years ago
13

−3x−6+(−1) need answer pls

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0

Step-by-step explanation:

−3x−6+(−1)

-3x-7

<h2>Hope it helps you</h2>
melomori [17]3 years ago
4 0

Answer:

−3 −7

Step-by-step explanation:

-3x-6-1

-3x-7

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They are asking what line meets that number (5) which should be Line A

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8. On a number line, which is closest to zero:
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B 0.17 is closest to 0
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What 3 numbers can be multiplied together to get 180?
hichkok12 [17]

2×6×15=180

Step-by-step explanation:

2×6=12

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4 0
3 years ago
Read 2 more answers
PLZ SHOW ALL WORK
lara31 [8.8K]

Part I
We have the size of the sheet of cardboard and we'll use the variable "x" to represent the length of the cuts. For any given cut, the available distance is reduced by twice the length of the cut. So we can create the following equations for length, width, and height.
width:  w = 12 - 2x
length: l = 18 - 2x
height: h = x

Part II
v = l * w * h
v = (18 - 2x)(12 - 2x)x
v = (216 - 36x - 24x + 4x^2)x
v = (216 - 60x + 4x^2)x
v = 216x - 60x^2 + 4x^3
v = 4x^3 - 60x^2 + 216x

Part III
The length of the cut has to be greater than 0 and less than half the length of the smallest dimension of the cardboard (after all, there has to be something left over after cutting out the corners). So 0 < x < 6

Let's try to figure out an x that gives a volume of 224 in^3. Since this is high school math, it's unlikely that you've been taught how to handle cubic equations, so let's instead look at integer values of x. If we use a value of 1, we get a volume of:
v = 4x^3 - 60x^2 + 216x
v = 4*1^3 - 60*1^2 + 216*1
v = 4*1 - 60*1 + 216
v = 4 - 60 + 216
v = 160

Too small, so let's try 2.
v = 4x^3 - 60x^2 + 216x
v = 4*2^3 - 60*2^2 + 216*2
v = 4*8 - 60*4 + 216*2
v = 32 - 240 + 432
v = 224

And that's the desired volume.
So let's choose a value of x=2.
Reason?
It meets the inequality of 0 < x < 6 and it also gives the desired volume of 224 cubic inches.
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3 years ago
14% of the number is 63 <br> Find the number
Lady_Fox [76]

Answer:

450

Step-by-step explanation:


3 0
3 years ago
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