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nika2105 [10]
3 years ago
9

Use substitution to solve the system of equation x=y+6 x+y=10

Mathematics
2 answers:
Volgvan3 years ago
7 0

Answer:

x=8

y=2

Step-by-step explanation:

x+y=10

(y+6)+y=10

2y+6=10

2y=4

y=2

x=y+6

x=2+6

x=8

DiKsa [7]3 years ago
6 0
X = 8
Y = 2 Your welcomeeeeee
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Alchen [17]

Answer:

(8,-4)

Step-by-step explanation:

The difference between A and M is 2.5x and -4y

so B would be 5.5+2.5 and 0-4

(8,-4)

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Is (10,4),(-2,4),(-1,1),(5,6) a function?
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The main hall of Grand Central Station in New York City is approximately 210,000 square feet.
jeka57 [31]

Answer:

a)

52,500 persons

b)

Assuming that a single person occupies 4 square feet of space.

Use the following formula to calculate the Numbers o person occupies the Grand Central Station in New York City

Numbers of person occupies the Grand Central Station in New York City = Total Space of Grand Central Station in New York City / Space occupied by each person

Where

Total Space of Grand Central Station in New York City = 210,000 square feet

Space occupied by each person = 4 squaure feet

Placing values in the formula

Numbers of person occupies the Grand Central Station in New York City = 210,000 square feet / 4 square feet per person

Numbers of person occupies the Grand Central Station in New York City = 52,500 persons

c)

1.3125%

d)

Use the following formula to calculate the percentage of people that could be sheltered in the station

Percentage of people shelter in the station = ( Numbers of person occupies the Grand Central Station in New York City / Total population in Manhattan ) x 100

Where

Numbers of person occupies the Grand Central Station in New York City = 52,500 persons

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Placing values in the formula

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8 0
3 years ago
7 groups of 8=6 groups of 8 plus
vredina [299]

Answer:

<u>7 groups of 8 = 6 groups of 8 plus 1 group of 8</u>

Step-by-step explanation:

1. Let's review the information given to answer the question correctly:

7 groups of 8 = 6 groups of 8 plus ?

2. Let's answer the question, this way:

How much are 7 groups of 8? 56 = 7 * 8

How much are 6 groups of 8? 48 = 6 * 8

What is the difference between 7 groups of 8 and 6 groups of 8?

(7 - 6 ) * 8 = 1 * 8

Therefore,

<u>7 groups of 8 = 6 groups of 8 plus 1 group of 8</u>

6 0
3 years ago
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