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horrorfan [7]
3 years ago
11

-x+y=5

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
6 0
Follow carefully it is step by step

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Find three numbers whose sum is 6 and whose sum of squares is a minimum.
pashok25 [27]
Números que suman 6:

3 + 2 + 1 = 6=> 3^2 + 2^2 + 1^2 = 9 + 4 + 1 = 14
4 + 3 - 1 = 6 => 4^2 + 3^2 + (-1)^2 = 16 + 9 + 1 = 26 => do not use negative numbers, because that will increase the other numbers.
 
5 + 1 + 0 = 6 => 5^2  + 1 + 0 = 25 + 1 + 0 = 26

4 + 2 + 0 = 4^2 + 2^2 + 0 = 16 + 4 = 20

When you use zero the you increase the sum of the squares.

Then the three numbers that yields the minimum sum of the squares is 1, 2 and 3. 
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3 years ago
What are the 5 pieces of data needed to make a box plot?
Aleksandr [31]

Answer:

Min

Max

Median

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8 0
4 years ago
Today, the price of a new cellphone is $380. In 2010, the price of a similar cellphone was $240. What is the percent of change i
Dahasolnce [82]
36.8% or 37% is the percent change
8 0
3 years ago
Solve (t-5) = 2 where t is a real number.<br> Simplify your answer as much as possible.
In-s [12.5K]

Answer:

7

Step-by-step explanation:

T-5=2 2+5=7

7 0
4 years ago
You are running a concession stand at a basketball game. You are selling hotdogs and sodas. Each hotdog cost $1.50 and each soda
Lubov Fominskaja [6]

Answer:

35 hotdogs

Step-by-step explanation:

You are running a concession stand at a basketball game. You are selling hotdogs and sodas.

Let the number of hot dogs be represented by x

The number of soda be represented by y

You sold a total of 87 hotdogs and sodas combined

x + y = 87

x = 87 - y

Each hotdog cost $1.50 and each soda cost $0.50. At the end of the night you made a total of $78.50.

Hence we have the equation:

$1.50 × x + $0.50 × y = $78.50

1.50x + 0.50y = 78.50

Substitute 87 - y for x

1.50(87 - y) + 0.50y = 78.50

130.5 - 1.50y + 0.50y = 78.50

Collect like terms

- 1.50y + 0.50y = 78.50 - 130.50

-1.00y = -52

y = -52/-1

y = 52 sodas

How many hotdogs did you sell?

Using the equation:

x = 87 - y

x = 87 - 52

x = 35 hotdogs

Hence, you sold 35 hotdogs

6 0
3 years ago
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