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katrin2010 [14]
3 years ago
13

Would you rather drink orange juice, expecting it to be milk, or drink milk expecting it to be orange juice?

Mathematics
2 answers:
Vlad [161]3 years ago
5 0
I sayyyyy drink milk ,cuz the other way around would be making u think u just drank spoiled milk
kvv77 [185]3 years ago
3 0
I would rather drink milk expecting to be orange juice because the other way around it might just taste like sour expired milk in your head.
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Which is a factor of 18x2 + 3x − 6?<br> A. 2x + 1 <br> B. 2x + 3 <br> C. 3x + 2 <br> D. 3x − 1
Angelina_Jolie [31]

18x^2+3x-6=3(6x^2+x-2)=3(6x^2+4x-3x-2)\\\\=3[2x(3x+2)-1(3x+2)]=3(3x+2)(2x-1)\\\\Answer:\ \boxed{C.\ 3x+2}

7 0
3 years ago
Evaluate 3+ (-4) please help
mina [271]
No problem. Since the - and + cancel and become a -, you get
3-4
which is -1

Hope this helped.
6 0
3 years ago
Read 2 more answers
Why does multiple of 3 add up digits trick work?
kherson [118]
You must be referring to the quick way to determine whether a given integer is divisible by 3; that is, 3 divides an integer x whenever the digits of x sum to a multiple of 3.

Suppose x has n\ge1 digits. We can expand it as a sum of the numbers in any given digits place by the corresponding power of 10. For example, if x=2148, we can write

2148=2\times10^3+1\times10^2+4\times10^1+8\times10^0

More generally, if

x=d_{n-1}d_{n-2}\ldots d_1d_0

(where d_i denotes the numeral in the 10^i-th's place), then we have the expansion

x=d_{n-1}10^{n-1}+d_{n-2}10^{n-2}+\cdots+d_110^1+d_0

Notice that for any integer k, we have

10^k-1=\underbrace{99\ldots99}_{k\text{ 9s}}

which is clearly divisible by 3. So from each power of 10 in the expansion of x, we can add and subtract 1, then rearrange the terms of the sum:

x=d_{n-1}10^{n-1}+\cdots+d_110^1+d_0
x=d_{n-1}(10^{n-1}-1+1)+\cdots+d_1(10^1-1+1)+d_0
x=d_{n-1}(10^{n-1}-1)+\cdots+d_1(10^1-1)+(d_{n-1}+\cdots+d_1+d_0)

We know 10^k-1 is divisible by 3, which means the remainder upon dividing x by 3 is just the sum of the digits of x. If this remainder is divisible by 3, then so must be the original number, x.

Back to our previous example: if x=2148, then we have the expansion

2148=2\times10^3+10^2+4\times10+8
2148=2(999+1)+(99+1)+4(9+1)+8
2148=2\times999+99+4\times9+(2+1+4+8)

Dividing through by 3, we get a remainder of 2+1+4+8=15, which is divisible by 3, and so 2148 must also be a multiple of 3.

In case for some reason you're not convinced 15 is a multiple of 3, you can apply the same trick:

15=10+5
15=9+1+5

Dividing through by 3 leaves a remainder of 1+5=6, which is also a multiple of 3, so that 15 must be, too.
7 0
3 years ago
A circular pool with a diameter of 18 ft will have a uniform 4 ft concrete walkway poured around it. If the concrete cost $4.25
svetoff [14.1K]
Below is the solution:

volume = lwh 
<span>= 18(3)(1/3) </span>
<span>= 18 cubic feet
</span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
3 0
3 years ago
If the perimeter of a rectangle is 36 feet and the length is twice as long as the width, what is the measurement of the length?
DanielleElmas [232]
The length is 12 feet(c.). 
3 0
3 years ago
Read 2 more answers
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