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Aloiza [94]
3 years ago
11

Solve this system of equations. Write the answer as an ordered pair.

Mathematics
1 answer:
baherus [9]3 years ago
7 0
-2x + 6y = 6

6y - 6 = 2x

6(y-1) = 2x

(1/2) * 6(y-1) = 2x * (1/2)

x = 3(y-1)

------------

If, x = 3(y-1),

-7 * 3(y-1) + 8y = -5

-21 * (y-1) + 8y = -5

-21y + 21 + 8y = -5

21 + 5 = 21y - 8y

26 = 13y

y = 26/13

Therefore: y=2.

----------

If y=2,

x = 3(2-1) = 3

-----------

Answers:

x=3 and y=2.
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Trace needs a new carpet for her house the living are is an open floor plan of a dining room 6 feet c 4 feet sitting area 10 fee
hram777 [196]

Answer:

199 square feet

Step-by-step explanation:

Given:

Trace needs a new carpet for her house.

Dimension of dining room = 6 feet by 4 feet.

Dimension of sitting area = 10 feet by 15 feet.

Dimension of breakfast nook = 5 feet by 5 feet.

<u>Question asked:</u>

How many square feet of carpet does she need ?

<u>Solution:</u>

<em>First of all we will calculate the area of each part of the house and then add up.</em>

<em />Area \ of \ dining\ room=length\times width

                                  =6\times4\\ \\ =24\ square\ feet

Area \ of \ sitting\ part=length\times width

                                  =15\times10\\ \\ =150\ square\ feet

Area \ of \ breakfast\ nook=(side)^{2}

                                       =5^{2} =25\ square\ feet

Total carpet needed will be needed = For dining + For sitting area + For breakfast nook

                                              = 24 + 150 + 25

                                              = 199 square feet

Therefore, she needs 199 square feet of a new carpet for her house.

                                       

6 0
3 years ago
12. (x3y6)-2 + (x2y4)-3
Galina-37 [17]
Answer: 26xy-5

(x3y6)-2 + (x2y4)-3

(18xy)-2 + (8xy)-3

18xy -2 + 8xy - 3

26xy -5

7 0
4 years ago
HELP FAST!!! The Mogul Runners ski club planned a trip to Park City. Of the total number of club members, 11 signed up to go. If
Andre45 [30]

"25%" means "0.25"
"of" means "times"

You said                                                  11 members =  0.25 x (the club)

Divide each side by  0.25 :      The club = (11 / 0.25)  =<em>  44 members

</em>
This is as fast as I can type.<em>

</em>

6 0
3 years ago
0÷2 answer right now 0÷2= right now ​
77julia77 [94]

0/2=0 because anything divided by zero is zero.

4 0
3 years ago
Read 2 more answers
Please help me with this problem please?
Alex

Answer:

Lily would spend on each type of activity would be 222 minutes.

Step-by-step explanation:

7 0
2 years ago
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