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alexandr1967 [171]

3 years ago

14

An orchestra of 25 members bought tickets, at all different prices, to a concert, and the mean price paid was $82. A new musicia

n joined the orchestra and spent $90 on his ticket to the same concert. What is the new mean price paid when the new musician is included? Round to the nearest cent.

1 answer:

AleksAgata [21]3 years ago

5 0

Answer:

$82.3

Step-by-step explanation:

82x25=2050

2050+90=2140

2140/26=82.3

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Step-by-step explanation:

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Which decimal number best describes the fraction 77/6

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3 years ago

4,357.25 rounded two decimal places

Amiraneli [1.4K]

Answer:

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Step-by-step explanation:

Given the following question:

$4357.25$
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$0$
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The following number is already rounded two decimal places which means the answer is "4357.25."

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Hope this helps.

3 0

2 years ago

17x-3y=4 2x-4y=1 the solution to the system of equations is

Burka [1]

ANSWER

$x=\frac{13}{62}$

and

$y= \frac{-9}{62}$ e have

EXPLANATION

$17x-3y=4---(1)$

$2x-4y=1$

Let us make y the subject and call it equation (2)

$2x=1+4y$

$x=\frac{1}{2}+2y--(2)$

We put equation (2) in to equation (1)

$17(\frac{1}{2}+2y)-3y=4$

$\frac{17}{2}+34y-3y=4$

$34y-3y=4- \frac{17}{2}$

Simplify to get,

$31y= \frac{8-17}{2}$

$31y= \frac{-9}{2}$

Divide both sides by 31,

$y= \frac{-9}{2} \div 31$

$y= \frac{-9}{2} \times \frac{1}{31}$

$y= \frac{-9}{62}$

We put this value in to equation (2) to get,

$x=\frac{1}{2}+2\times -\frac{9}{62}$

$x=\frac{1}{2} -\frac{18}{62}$

We collect LCM to obtain,

$x=\frac{31-18}{62}$

$x=\frac{13}{62}$

7 0

3 years ago

Only number 8 and show the work please?

bogdanovich [222]

Uh thats weird no make sense

6 0

3 years ago