3 years ago

Geometry Help! I've attached the image I need help with!

Mathematics

1 answer:

Free_Kalibri [48]3 years ago

4 0

If A is parallel to B and B Is perpendicular to Y
⇒A is perpendicular to Y (Option D)

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If 1/2x = a= 2/3y and x + y= na, what is the value of n?

Fynjy0 [20]

Answer:

Step-by-step explanation:

$\frac{1}{2} x=a=\frac{2}{3} y\\\frac{1}{2}x=a\\x=2a \\\frac{2}{3} y=a\\y=\frac{3}{2} a\\x+y=2a+\frac{3}{2} a=\frac{4a+3a}{2} =\frac{7}{2} a=na\\n=\frac{7}{2}$

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2 years ago

Nico owns 11 instructional piano books. Two are beginner books, six are intermediate books, and three are advanced books. If two

Solnce55 [7]

2 beginner, 6 intermediate, 3 advanced...total of 11

P(advanced) = 3/11
replaced
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3 years ago

Sarah borrowed some money from her father at a simple interest rate of 5.5% to pay for her college tuition. At the end of the ye

gavmur [86]

$\bf ~~~~~~ \textit{Simple Interest Earned Amount}
\\\\
A=P(1+rt)\qquad 
\begin{cases}
A=\textit{accumulated amount}\to &\$2555\\
P=\textit{original amount deposited}\\
r=rate\to 5.5\%\to \frac{5.5}{100}\to &0.055\\
t=years\to &1
\end{cases}
\\\\\\
2555=P[1+(0.055)(1)]\implies \cfrac{2555}{1+(0.055)(1)}=P
\\\\\\
\cfrac{2555}{1.055}=P\implies 2421.800947867 \approx P$

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3 years ago

Boris buys the newspaper every morning.

Lelu [443]

Answer:

11.5

Step-by-step explanation:

1.50 x 5 = 7.50

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umka2103 [35]

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I think it C because I know that Nalia isn't correct so it's not D or B.

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