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natima [27]
3 years ago
8

nilai rata2 matematik dari 10 siswa adalah 55 jika digabungkan lagi dengan 5 siswa maka nilai rata2 menjadi 53tentukan nilai rat

a2 dari 5 siswa tersebut
Mathematics
1 answer:
zaharov [31]3 years ago
6 0
Jaidysiwbdhksjquejehwwhhwhejeuejeuueeuw.
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How much money will you have if you started with $ 50, and put it in an account that earned 9.7% every year for 15 years?
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Compound interest:
A=p(1+\frac{r}{100})^{n}
<span>A=50(1+\frac{9.7}{100})^{15}
</span>A=50(1.097)^{15}
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How many pears would each person get if 14 pears are shared among 4 people
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To answer this, you would divide 14 pears / 4 people. The answer would be 3 1/2 pears per person.

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Tickets for the basketball game were sold at $4.00 for adults and $2.50 for students. If 320 tickets were sold for a total of $1
makkiz [27]

The problem based on condition are solved using the unknown variables. The number of tickets sold to the student are 120 and the number of tickets sold to the adults are 200.

Given information-

The price of the tickets for the basketball game for adults is $4.00.

The price of the tickets for the basketball game for students is $2.50.

<h3>Variables</h3>

Variables are the unknown and the value of the variables depend on the other variables in the equation. The above problem can be solved defining the variables from the given condition.

Let the total tickets purchased by the students is<em> x</em> and the total tickets porches by the adults is <em>y.</em>

As the total tickets sold for the game is $320. Thus,

\begin{aligned}\\&#10;x+y&=320\\&#10;y&=320-x\\&#10;\end                    .......1

Now as the total money with ticket selling is $1100. Thus,

2.5x+4y=110

Keep the value of u from the equation 1 in the above equation. We get,

\begin{aligned}&#10;2.5x+4(320-x)&=1100\\&#10;2.5x+1280-4x&=1100\\&#10;-1.5x&=1100-1280\\&#10;-1.5x&=-180\\&#10;x&=\dfrac{180}{1.5} \\&#10;x&=120\\&#10;\end

Thus the number of tickets sold to the student are 120.

Keep this value in equation 1,

y=320-x\\&#10;y=320-120\\&#10;y=200

Thus the number of tickets sold to the adults are 200.

Hence the number of tickets sold to the student are 120 and the number of tickets sold to the adults are 200.

brainly.com/question/787279

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Diego has some money in his bank account before he starts a summer job. He deposits
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Answer:

he earns $7 per hour

Step-by-step explanation:

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50 is 40% of what number
DENIUS [597]
50 / 0.40 = 125

To check your answer, 125 * 0.4 = 50
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