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adoni [48]
3 years ago
10

Solve this system of equations by

Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0

Answer:

x=4 and y=11

Step-by-step explanation:

x+y=15

5x-y=9

x+5x-y+y=15+9

6x=24

X=4

x+y=15

4+y=15

y=11

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The perimeter of rectangle is twice the sum of its length and its width.the perimeter is 22 meters and its length is 2 meters mo
romanna [79]
P = 2(L + W)
P = 22
L = 2W + 2

22 = 2(2W + 2 + W)
22 = 2(3W + 2)
22 = 6W + 4
22 - 4 = 6W
18 = 6W
18/6 = W
3 = W.....this is the width

L = 2W + 2
L = 2(3) + 2
L = 6 + 2
L = 8 meters <=== this is the length
6 0
3 years ago
Read 2 more answers
What is the height, in feet, of the portion AB of the lamp post?
sineoko [7]
AB=h can be found with 

tan 60° =AB / AC, and AB=h= tan60° x AC
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4 0
3 years ago
There are three times as many people at the baseball park today than there were yesterday. Today’s attendance is 15,000. Define
Verizon [17]

The equation is:

3 x = 15,000 where x is the number of yesterday’s attendance

Step-by-step explanation:

There are three times as many people at the baseball park today than

there were yesterday

Assume that the number of the people at the baseball park

yesterday is x

∵ The number of the people at the baseball park yesterday = x

∵ The number of people at the baseball park today is three times

   as many as the number of the people yesterday

∴ The number of people at the baseball park today = 3 x ⇒ (1)

∵ Today’s attendance is 15,000

∴ The number of people at the baseball park today = 15,000 ⇒ (2)

- Equate (1) and (2)

∴ 3 x = 15,000

- To find the value of x solve the equation:

  3 x = 15,000

The equation is:

3 x = 15,000 where x is the number of yesterday’s attendance

Learn more:

You can learn more about equations in brainly.com/question/11229113

#LearnwithBrainly

4 0
3 years ago
Solve <br> 2x-10=2 6 for x
strojnjashka [21]

Answer:

x=18

Step-by-step explanation:

isolate x to one side of the equation:

2x=26+10

2x = 36

divide by 2 for both sides

x = 36\2

x= 18

8 0
2 years ago
What are the intercepts of f(x)=(3x-4)(7x+2)
torisob [31]

Answer:

1. (-0,286; 0), (1,333; 0)

2. (0; -8)

5 0
3 years ago
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