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Dima020 [189]
4 years ago
7

If you have two boxes,and in each box is 20 plates, how many boxes do you have

Mathematics
1 answer:
Free_Kalibri [48]4 years ago
4 0
40 just multiply 20 by 2
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How do I solve 4/9+9/2 and write my answer as a mixed number?
jenyasd209 [6]

9 has factors of 3*3.

2 is prime, so no factors.

from those two denominators, we can get the LCD of hmmm simply their product, namely 18.

\bf \cfrac{4}{9}+\cfrac{9}{2}\implies \stackrel{\textit{using the LCD of 18}}{\cfrac{(2)4+(9)9}{18}}\implies \cfrac{8+81}{18}\implies \cfrac{89}{18}\implies 4\frac{17}{18}

now, recall that, to get the mixed fraction, we divide 89 ÷ 18, the quotient goes up front, the "4", and the remainder is the one atop, the "17".

8 0
4 years ago
In each of these situations light refracts, except for one. Identify the case in which light is NOT refracted.
Eva8 [605]
B) sunlight travels through space - there is nothing to bounce off of until it hits an atmophere
3 0
3 years ago
Read 2 more answers
Use the method of completing the square to transform the quadratic equation into the equation form (x + p)2 = q. 3 + x - 3x2 = 9
Triss [41]
To <span>transform the quadratic equation into the equation form (x + p)2 = q we shall proceed as follows:
3+x-3x^2=9
putting like terms together we have:
-3x^2+x=6
dividing through by -3 we get:
x^2-x/3=-2
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c=(b/2a)^2
c=(-1/6)^2=1/36
thus the expression will be:
x^2-x/3+1/36=-2+1/36
1/36(6x-1)</span>²=-71/36

the answer is:
1/36(6x-1)²=-71/36
7 0
3 years ago
Calvin bought 20 pencils at 0.45 each how many change did he get from a 10 dollar bill
ehidna [41]
To get the answer, multiple 20 by 0.45= $9 than subtract 9$ from $10 which equals $1.
4 0
3 years ago
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4. Elliott deposits $500 into a savings account
Len [333]

Interest = 500 x .03 x 4

I = 60

Closing Balance = 500 (p) + 60 (1)

Closing Balance = 560

7 0
3 years ago
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