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MAVERICK [17]
4 years ago
14

Item

Mathematics
1 answer:
goblinko [34]4 years ago
8 0
C is the answer 12 marbles and 20 marbles
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On a hot summers day 262 people used the public swimming pool. The daily prices are 1.50 for children and 2.00 for adults. The r
ololo11 [35]
<h3>Answer:</h3>
  • 154 adults
  • 108 children
<h3>Step-by-step explanation:</h3>

Let x represent the number of adults who swam at the pool. Then (262-x) is the number of children. Multiplying these numbers by the corresponding admission charge will give the associated receipts. We are given the total of receipts, so we can write the equation ...

... 2.00x +1.50(262-x) = 470.00

... 0.50x +393.00 = 470.00 . . . . . simplify

... 0.50x = 77.00 . . . . . . . . . . . . . . .subtract 393

... 77.00/0.50 = x = 154 . . . . . . . . . divide by the coefficient of x

... (262-x) = 108 . . . . . . . . . . . . . . . .find the number of children admitted

8 0
3 years ago
What is 247039 rounded to the nearest thousand
Dmitrij [34]


If I am not mistaken ....


247,000


Someone correct me if I am wrong :)

5 0
4 years ago
Find the probability of each event. A class has five boys and nine girls. If the teacher randomly picks six students, what is th
kumpel [21]

Answer: \dfrac{60}{143}

Step-by-step explanation:

Given,  A class has five boys and nine girls.

Total students = 5+9=14

Number of ways to choose 6 students out of 14= ^{14}C_6  [Using combinations]

Number of ways to choose 4 girls out of 6 (4 girls + 2 boys = 6 ) = ^{9}C_4\times\ ^{5}C_2

If the teacher randomly picks six students, then the probability that he will pick exactly four girls:-

\dfrac{^{9}C_4\times \ ^{5}C_2}{^{14}C_6}

=\dfrac{\dfrac{9!}{4!5!}\times\dfrac{5!}{2!3!}}{\dfrac{14!}{6!8!}}\\\\=\dfrac{1260}{3003}\\\\=\dfrac{60}{143}

hence, the required probability = \dfrac{60}{143} .

4 0
3 years ago
2x + 3y= 39 <br><br> solve fir both x anddd y
Readme [11.4K]
X=15
Y=3

2(15)=30
3(3)=9
30+9=39
6 0
3 years ago
What is the image point of (-6,9)(−6,9) after a translation left 4 units and down 1 unit?
SIZIF [17.4K]

Answer:

(- 10, 8 )

Step-by-step explanation:

A translation of 4 left means subtract 4 from the x- coordinate

A translation of 1 down means subtract 1 from the y- coordinate

(- 6, 9 ) → (- 6 - 4, 9 - 1 ) → (- 10, 8 )

8 0
3 years ago
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