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zalisa [80]
2 years ago
5

At a sale, dresses were sold for $22 each. This price was 55% of a dress's original price. How much did a dress originally cost?

Mathematics
2 answers:
-BARSIC- [3]2 years ago
6 0

Answer:

$9.90

Step-by-step explanation: I DID THE WORK. SIMPLE

elena-14-01-66 [18.8K]2 years ago
5 0

Answer:

31.90$

Step-by-step explanation:

???? this might not be right ???

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Divide 81 ft in the ratio 5 :4
Mumz [18]

Answer:

Rr = 51 : 68

Step-by-step explanation:

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2 years ago
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Between 2005 and 2008, the average rate of inflation was about3.4 per year. If a cart of groceries cost $140 in 2005, what did i
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The formula is
A=p (1+r)^t
A future value?
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T time 2008-2005=3 years
A=140×(1+0.034)^(3)
A=154.77 round your answer to get
A=155
3 0
3 years ago
HELP ASAP !! easy question and i’ll give brainliest
tia_tia [17]

Answer:

x=38.5

Step-by-step explanation:

\sqrt{23^{2}- 18^{2}}   =\sqrt{205}

cos(x)=\frac{18^{2} +23^{2} -205}{2(18)(23)}

x=38.5(correct to the nearest tenth)

4 0
2 years ago
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Which inequality describes this graph?
Alborosie

Answer:

x≠5

Step-by-step explanation:

An open circle means "less than" or "greater than", this means that anything is greater than or less than where the circle is placed. So, when an open circle is placed on a number line without any arrow, this means that that number is not equal to x.

5 0
2 years ago
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Use the quadratic formula to solve x2 + 9x + 10 = 0.<br> What are the solutions to the equation?
vampirchik [111]

Answer:

\large\boxed{x=\dfrac{-9\pm\sqrt{41}}{2}}

Step-by-step explanation:

\text{The quadratic formula of}

ax^2+bx+c=0

\text{If}\ b^2-4a0,\ \text{then the equation has two solutions}\ x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\=========================================

\text{We have}\ x^2+9x+10=0\\\\a=1,\ b=9,\ c=10\\\\\text{substitute:}\\\\b^2-4ac=9^2-4(1)(10)=81-40=41>0\qquad _{\text{two solutions}}\\\\\sqrt{b^2-4ac}=\sqrt{41}\\\\x=\dfrac{-9\pm\sqrt{41}}{2(1)}=\dfrac{-9\pm\sqrt{41}}{2}

5 0
2 years ago
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