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Ghella [55]
2 years ago
14

How do you write equations for three lines that contain the point (0, 2)?

Mathematics
1 answer:
BARSIC [14]2 years ago
7 0
First we see points like (0,2) in place x is 0 and y is 2 so we write equation is 0 +2=2 so, x+y= 2
2×0+2= 2 so, 2x + y = 2
0 + 2×2=4 so, x+ 2y =4
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It costs $1.08 to buy 3 green marbles. If the marbles all have the same price, how much
Naily [24]

Answer:

0.36$

Step-by-step explanation:

1.03/ 3 marbles = 0.36$ per marble.

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3 years ago
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Evgen [1.6K]

Answer:

angle v and angle w,  

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3 years ago
Tyler went to the supermarket to buy food for a food pantry. He has $36, and can carry up to 20 pounds of food in his backpack.
sattari [20]

Answer:

Solutions: (2,10), (4,5)

Not solutions: (1,12), (6,10), (12,8), (18,6)

Step-by-step explanation:

Let x be the number of packages of pasta and y be the number of jars of pasta sauce. If pasta costs $1 for a 1-pound package, then x packages of pasta cost $x and weigh x pounds. If pasta sauce costs $3 for a 1.5 pound jar, then y jars cost $3y and weigh 1.5y pounds.

1. Tyler has $36, then

x+3y\le 36.

2. Tyler can carry up to 20 pounds of food in his backpack, then

x+1.5y\le 20.

You get the following system of inequalities:

\left\{\begin{array}{l}x+3y\le 36\\ x+1.5y\le 20\end{array}\right.

Now substitute the coordinates of each point:

<u>(1,12):</u>

\left\{\begin{array}{l}1+3\cdot 12=37> 36\\ 1+1.5\cdot 12=19\le 20\end{array}\right.

False, because first inequality doesn't hold.

<u>(2,10):</u>

\left\{\begin{array}{l}2+3\cdot 10=32\le 36\\ 2+1.5\cdot 10=17\le 20\end{array}\right.

True, both inequalities hold.

<u>(4,5):</u>

\left\{\begin{array}{l}4+3\cdot 5=19\le 36\\ 4+1.5\cdot 5=11.5\le 20\end{array}\right.

True, both inequalities hold.

<u>(6,10):</u>

\left\{\begin{array}{l}6+3\cdot 10=36\le 36\\ 6+1.5\cdot 10=21> 20\end{array}\right.

False, because secondt inequality doesn't hold.

<u>(12,8):</u>

\left\{\begin{array}{l}12+3\cdot 8=36\le 36\\ 12+1.5\cdot 8=24> 20\end{array}\right.

False, because second inequality doesn't hold.

<u>(18,6):</u>

\left\{\begin{array}{l}18+3\cdot 6=36\le 36\\ 18+1.5\cdot 6=27> 20\end{array}\right.

False, because second inequality doesn't hold.

7 0
3 years ago
I need help<br> What is -8.6 divide (-3)
Hitman42 [59]
2.86 the negatives will cancel it self den u divide it
8 0
3 years ago
Winston bought an encyclopedia priced at $42. Shipping and handling cost anadditional 30% of the price. What was the total cost
Sergio039 [100]

Answer:

42.3

Sorry I haven't been answering your questions I'm just behind on homework.

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3 years ago
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