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saw5 [17]
3 years ago
12

The mean of 15 numbers is y.If each of the number is increased by 30, find the increase of the new mean in terms of y.The answer

i found is 30 but it isn't in terms of y. is the question wrong
Mathematics
1 answer:
dusya [7]3 years ago
4 0

Answer:

y+30

Step-by-step explanation:

the sum of the numbers is 15y

the new sum after increase each number by 30 is 15y+450

the new mean 15y+450/15

= y+30

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Wels at its next
xenn [34]

This question is not correctly written

Complete Question

The Henderson Hawks minor-league baseball team is giving away baseballs an

game. The balls cost $3 each and the towels cost $2 each. The team wants to give away 200 items and have 500 to spend. How many of each item should the team give away Show your

work or explain your reasoning.

Answer:

They should give away 100 balls and 100 towels

Step-by-step explanation:

Let the number of balls = x

Let the number of towels = y

x + y = 200........ Equation 1

y = 200 - x

$3 × x + $2 × y = $5000

3x + 2y = 5000...... Equation 2

3x + 2(200 - x)= 5000

3x + 400 - 2x = 5000

Collect like terms

3x - 2x = 500 - 400

x = 100

Number of balls to be given away = 100

Note:

y = 200 - x

y = 200 - 100

y = 100

Number of towels to be given away = 100

Therefore, they should give away 100 balls and 100 towels

3 0
3 years ago
The perimeter of the original rectangle is 16 feet. A small rectangle has a length of 6.2 feet and width of 1.8 feet. A larger r
GalinKa [24]

Answer:

  32 ft

Step-by-step explanation:

The length of the larger rectangle is double that of the smaller one. If we assume the rectangles are similar, the perimeter will be double as well:

  2·(16 ft) = 32 feet . . . . perimeter of larger rectangle

__

The width of the larger one is 2·1.8 ft = 3.6 ft.

5 0
3 years ago
Read 2 more answers
What question do you ask when understanding the problem?
umka21 [38]
It seems that you have missed the necessary options to answer this question, but anyway, hope my answer helps. The question that you ask when understanding the problem would be this: "<span>what do I want to find out?"
Since the problem seeks for an answer, this would be the correct question. Hope this helps.</span>
6 0
3 years ago
What is $15.60 to $11.70
worty [1.4K]

Answer:

25

Step-by-step explanation:

15.60 divided by 11.70 = 25

7 0
3 years ago
Jerome's sister told him to multiply both the amount of water and the amount of drink
Arada [10]

Answer:

×1 = 3 : 8.

×2 = 6 : 16

×3 = 9 : 24

×4 = 12 : 32

Step-by-step explanation:

5 0
2 years ago
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