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drek231 [11]
3 years ago
5

suzette went to the store and bought some eye liner for $2.50. two weeks later, the price of the eyeliner was increased by 50%.

what was the new price of the eyeliner
Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0

Answer:

$5.00

Step-by-step explanation:

Since the eyeliner went up and doubled in price, you simply multiply 2.50 by 2, and you get $5.00

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I really need help with this pleaseeee
Sedaia [141]

Answer:

σ = 11.68

Step-by-step explanation:

σ =  \sqrt{ \frac{Σ{(xi -  μ)}^{2} }{N} } \\ where \: σ = population \: standard \: deviation \\ xi = each \: value \: from \: population \\  μ = population  \: mean \\ N = size \: of \: population

σ =  \sqrt{ \frac{Σ{(9 - 26)}^{2} + {(16 - 26)}^{2} +{(30 - 26)}^{2} +{(35 - 26)}^{2} + {(40 - 26)}^{2}}{5} } \\ σ =  \sqrt{ \frac{Σ{((-17)}^{2} + {(- 10) }^{2} +{(4) }^{2} +{(9) }^{2} +{(14) }^{2})}{5}} \\ σ =  \sqrt{ \frac{Σ ({289} + {100} +{16} +{81} + {196})}{5} } \\ σ =  \sqrt{ \frac{682}{5} }  \\ σ  =  \sqrt{136.4} \\  σ = 11.679041056525\\ σ = 11.68

4 0
3 years ago
Which ordered pairs make the equation true? 3x+2y=−7 Select each correct answer. (3, −8)
Nikolay [14]
<h2>SOLVING</h2>

\Large\maltese\underline{\textsf{A. What is Asked}}

Which ordered pairs make the equation \bf{3x+2y=-7} true? Select all that apply. 3 options are given

\Large\maltese\underline{\textsf{B. This problem has been solved!}}

We can tell which ordered pairs make equations true by plugging in the coordinates.

\mathbb{ORDERED\;PAIR\;NUMBER\;ONE}

\bf{3(3)+2(-8)=-7} | simplify

\bf{9-16=-7} |simplify

\bf{-7\equiv-7} | this one checks

\mathbb{ORDERED\;PAIR\;NUMBER\;TWO}

\bf{3(-2)+2(-1)=-7} | simplify

\bf{-6-2=-7} | simplify

\bf{-8\neq-7} | this one does <em>not </em>check

\mathbb{ORDERED\;PAIR\;NUMBER\;THREE}

\bf{3(1)+2(-4)=-7} | simplify

\bf{3-8=-7} | simplify

\bf{-5\ne-7} | this one does <em>not</em> check

\rule{300}{1.7}

\bf{Result:}

              \bf{=The\;First\;Option

\boxed{\bf{aesthetic \not101}}

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2 years ago
The dimensions of a right rectangular prism are 1.5 cm,0.5 cm and 2. 25 cm.
Mariulka [41]
The volume of the triangle will be V=1.6875 cm^3
6 0
2 years ago
PLS HELP ILL GIVE BRAINLY
viktelen [127]
Not a function because input has two outputs. 9 goes to two different numbers which make it not a function
4 0
3 years ago
32 is 40% of what is the answer
ANTONII [103]
32 is 40% of?

32/40

32 ÷ 40 = 0.8
0.8 × 100 = 80
80

32 is 40% of 80. 
6 0
3 years ago
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