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Vika [28.1K]
3 years ago
9

$44 is 55% of what dollar amount?

Mathematics
2 answers:
ser-zykov [4K]3 years ago
7 0

Answer:

$80

Step-by-step explanation:

Let $44 is 55% of amount x.

Therefore,

55% of x = 44

\frac{55}{100}  \times x = 44 \\  \\ x =  \frac{100}{55}   \times 44 \\  \\ x =  \frac{100}{5}  \times4 \\  \\ x =  \frac{400}{5}  \\  \\ x = \$ 80 \\  \\

melomori [17]3 years ago
4 0

Answer:

im pretty sure it's $19.80

Step-by-step explanation:

(44 x 55)/100 = $24.20

44 - 24.20 = $19.80

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If
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Answer:

Step-by-step explanation:

Rationalize the denominator of b. So, multiply the numerator and denominator by \sqrt{x}

b = \frac{(1-2\sqrt{x}) *\sqrt{x}}{\sqrt{x}*\sqrt{x}  }=\frac{1*\sqrt{x} -2\sqrt{x} *\sqrt{x} }{\sqrt{x} *\sqrt{x} }\\\\=\frac{\sqrt{x} -2x}{x}\\

Now, find a +b

a +b = \frac{2x+\sqrt{x} }{x}+\frac{\sqrt{x} -2x}{x}\\\\=\frac{2x+\sqrt{x} +\sqrt{x} -2x}{x}

Combine like terms

= \frac{2x-2x+\sqrt{x} +\sqrt{x} }{x}\\\\=\frac{2\sqrt{x} }{x}

Now find (a + b)²

(a +b)² = (\frac{2\sqrt{x} }{x})^{2}

          = \frac{2^{2}*(\sqrt{x} )^{2}}{x^{2}}\\\\= \frac{4* x}{x^{2}}\\\\= \frac{4}{x}

Hint: \sqrt{x} *\sqrt{x}  =\sqrt{x*x}=x

5 0
3 years ago
A gumball machine has different flavors sour apple,grape,orange and cherry . There are six of each flavor. $.50 are put in the m
tamaranim1 [39]

Answer:

30/552

Step-by-step explanation:

In order to solve this problem you need to multiply the probability of getting grape for the first gumball with the probability of getting grape for the second gumball. Since there are 6 grape gumballs and a total of 24 gumballs (6*4). Then the probability of getting grape for the firs one is

\frac{6}{24}

Now there are only 5 grape gumballs available and one less in the total supply, therefore the probability of getting grape in the second try is

\frac{5}{23}

Finally we multiply them together to find the probability of getting two grapes in a row.

\frac{6*5}{24*23} = \frac{30}{552}

4 0
3 years ago
Which equation is equivalent to y-34=x(x-12)
egoroff_w [7]
The final answer is:
y - 34 = x2 - 12x
7 0
3 years ago
9. In the figure at right, GH = HI = IJ. Find the length of AK.
marysya [2.9K]
<span>GH = HI = IJ
3( 3.75) = 17.25
so
6.5/AK  = 5.75 /17.25
AK = 17.25 * 6.5 / 5.75
AK = 19.5

answer
</span><span>the length of AK = 19.5</span>
4 0
3 years ago
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