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AfilCa [17]
3 years ago
5

Use the drop-down menus to solve the system using the 5-step process you just learned. x + 6y = 29 2x - 4y = -6 1) Solve for x i

n the first equation: x =
Mathematics
2 answers:
Genrish500 [490]3 years ago
5 0
We have the following system of linear equation:

(1) x+6y=29
(2) 2x-4y=-6

Let's apply elimination method by multiplying (1) by -2, then:

-2(x+6y)=-2(29)
∴ -2x-12y = -58

Next let's subtract (1) and (2):

(1) -2x-12y = -58
(2) 2x-4y=-6
_______________________
-16y=-64
∴ y=4

Finally, substituting this value in (1) we have that:

x+6(4)=29
∴ \boxed{x=5}
LenKa [72]3 years ago
5 0

Answer:

-6y + 29 for the first and second question. The third answer is y=4. The fourth answer is x=5. The fifth answer (5,4). And the sixth answer is (5,4) Checks and (5,4) Checks.

Step-by-step explanation:

Just took it. Edg 2020. Hope this helps :)

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Is this right? I need help! I need the correct answers Ill give you 58 pts and brainliest to the first correct!
MatroZZZ [7]

Answer:

its right

Step-by-step explanation:

3 0
2 years ago
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Tyler baked 702 cookies he sold them in boxes of 18 after selling all of the boxes of cookies for the same amount of each he ear
jenyasd209 [6]

Keywords:

<em>Cookies, boxes, sale, profit, unit cost </em>

For this case we have to bake an amount of 702 cookies, which were distributed in boxes of 18 for sale. Selling each box at the same price earned a profit of 136.50 dollars, you want to know the unit cost of each box of cookies.

Let "x"be the number of boxes of cookies:

So, to know the number of boxes we divide 702 cookies among 18:

x = \frac {702} {18}\\x = 39

So, we have Tyler sold 39 boxes of cookies

Now, let "y" be the cost of each box of cookies, to know the unit cost or sale price of the cookie boxes, we divided 136.50 dollars among 39 boxes of cookies, then:

y = \frac {136.50} {39}\\y = 3.5

Thus, the cost of each box was 3.5 dollars.

Answer:

The cost of a box is 3.5 dollars

5 0
3 years ago
Read 2 more answers
Write five expressions that are equivalent to 20x+100
Phoenix [80]
4(5x+25)
5(4x+20)
10(2x+10)
2(10x+50)
20(x+5)

hope this helps
4 0
3 years ago
As part of this month's customer appreciation,
podryga [215]

Answer:

Hey there!

LCM of 12 and 5= 60

Thus, in 200 customers, 3 will get both free song and video downloads.

Let me know if this helps :)

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4 years ago
Which of the following is equivalent to the expression (3ab)(-5ab)?
Scilla [17]
-15a^{2}b^{2}
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