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Liula [17]
2 years ago
13

I need help please!!!!!!!

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
4 0

Answer:

C

Step-by-step explanation:

I don't know for sure, but I am pretty sure this is it.

IceJOKER [234]2 years ago
3 0
It’s C

Because 5 times 5 (5 squared) is 25 and
A= pi R squares
So pi times 5 squared meaning 25pi
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Least to greatest 7/12,0.75,5/6
irina [24]
Hello there.

<span>Least to greatest 7/12,0.75,5/6

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3 years ago
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Explain how the points A(9,-2/5) and B(9,2/5) are related.
Novay_Z [31]
These points are reflective off of the y-axis. (9,2/5) reflected over the y-axis is (9,-2/5)
5 0
3 years ago
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
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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.
3 0
3 years ago
Which description represents the absolute value of-5?
mixas84 [53]

Answer:

the distance bettwen 0 and -5 on a number line

Step-by-step explanation:

4 0
2 years ago
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Plz aswer and explain this to me i dont get it
WINSTONCH [101]

Answer: 36

Step-by-step explanation:

1) Find the prime factorization of 12

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18=2*3*3

3) Multiply each factor the greater number of times it occurs in the first two steps above to find the LCM.

LCM=2*2*3*3

4) LCM=36

8 0
3 years ago
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