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slamgirl [31]
3 years ago
12

Graph y=-3x +7 and the line that is parallel to it that passes through (4,1).

Mathematics
1 answer:
Brums [2.3K]3 years ago
6 0
Y = -3x + 13

Steps and the graph are on paper

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Ryan bought 6 apples and 9 peaches for a total of $7.86. Madi bought 4 apples and 5 peaches for $4.82.
sergey [27]
Let's call:
a = price of 1 apple
p = price of 1 peach

The total cost is the price of 1 apple times the number of apples plus the price of 1 peach times the number of peaches, therefore the system can be:
\left \{ {{6a + 9p = 7.86} \atop {4a + 5p = 4.82}} \right.

Solve for a in the second equation (you can choose to solve for any of the variables in any of the equations, try to understand what is the best):
a = (4.82 - 5p) / 4

Now, substitute in the first equation:
6 · (4.82 - 5p) / 4 + 9p = 7.86
7.23 - (15/2)p + 9p = 7.86
(3/2)p = 0.63
p = 0.42

Now, substitute this value in the formula found for a:
<span>a = (4.82 - 5·0.42) / 4</span>
   = 0.68

Therefore, one apple costs 0.68$ and one peach costs 0.42$.
6 0
3 years ago
Please help me with number 8.<br>Will mark as brainliest!
EleoNora [17]
100deciliters equals 10 liters

3 0
3 years ago
Two wrongs and One right: vertical angles. Please help only 2-3 questions
luda_lava [24]

Answer:

Solution one is correct and solution 2 and 3 are incorrect

Step-by-step explanation:

You simply make an equation because for vertical angles 2 angles that are across from each other have the same value (in this case 2x+30 and 5x-36.)

The equation: 2x+30=5x-36---->3x=66----> x=22

Solution 1 is correct.

Hope this helped!

3 0
3 years ago
Read 2 more answers
Can someone help me with this problem
marshall27 [118]
It should be the second one:ab=ed
7 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=5y%28%20y%20%2B%203%29%20-%202%28y%20-%202%29%20%3D%2020" id="TexFormula1" title="5y( y + 3) -
Alecsey [184]

Answer:

y =  \frac{ - 13 -  \sqrt{489} }{10}

4 0
3 years ago
Read 2 more answers
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