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2 years ago

6

Triangle ABC is similar to triangle DEF. What is the value of x ?

1 answer:

Delicious77 [7]2 years ago

5 0

48382939392838338383839

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Melanie joined her school's band. She bought a violin for $85.54, and a song book which was $12.92 with a $100 bill. How much ch

murzikaleks [220]

85.54+12.92 =98.46

100-98.46 =1.54

She gets $1.54 in change

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3 years ago

Help Please! <br><br> 5=(2m-b)/(m+b)

finlep [7]

Answer:

B= -1/2m

Step-by-step explanation:

Ion know wat your solving for buh theres b

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3 years ago

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There are 416 students who are enrolled in an introductory geology course. if there are seven boys to every six girls, how many

Alenkinab [10]

$\text{Let the number of boys be x and number of girls be y.}\\
\\
\text{and there are total 416 students enrolled in the course. so we have}\\
\\
x+y=416 \ \ \ \ \ \ \ \ \ \ ......(i)\\
\\
\text{also given that there are seven boys to every six girls, that is}\\
\\
\frac{x}{y}=\frac{7}{6}$

$\Rightarrow 6x=7y\\
\\
\Rightarrow y=\frac{6x}{7}\\
\\
\text{substitute this value of y in (i), we get}\\
\\
x+\frac{6x}{7}=416\\
\\
\Rightarrow \frac{7x+6x}{7}=416\\
\\
\Rightarrow \frac{13x}{7}=416\\
\\
\Rightarrow x=\frac{416\times 7}{13}\\
\\
\Rightarrow x=224$

Hence the number of boys in the course are: 224

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3 years ago

Normal Distribution quiz?

Leno4ka [110]

Area under ALL probability distribution curves is 1.0, because all possible outcomes are taken into account.

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3 years ago

There are 18 female students and 16 male students in a class. Which of the following expresses the ratio of female students to m

Alex Ar [27]

9:8
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2 years ago

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