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maksim [4K]
2 years ago
12

After writing an equation for each of the T-shirt companies, Jill wrote this equation: 30 + 6x = 20 + 8x Why do you think she wr

ote that?​

Mathematics
1 answer:
polet [3.4K]2 years ago
3 0

Answer:

Step-by-step explanation:

she wrote it to solve the total amount spent on both T shirt.

30+6x=20+8x-8x

30+6x-8x=20

30-30-2x=20

-2x=20-30

-2x/-2=-10/-2

<u>x=5</u>

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Which method would prove the quadrilateral is a parallelogram?
Maurinko [17]

Answer:

Answer: Each pair of opposite sides has the same measure. Therefore, they are congruent. If both pairs of opposite sides of a quadrilateral are congruent, the quadrilateral is a parallelogram.



3 0
3 years ago
digit at tens place of two digit number is twice the digit at units place .if sum of this number and the no.formed by reversing
Dima020 [189]
Let the number be     xy ,

xy = 10x + y.   when reversed = yx = 10y + x

x = 2y          ........(a)

10x + y + 10y + x = 66.........(b)

10(2y) + y + 10y + 2y = 66

20y + y + 10y + 2y = 66

33y = 66

y = 66/33

y = 2

x = 2y = 2*2 = 4

Recall the original number is xy =     42.
8 0
3 years ago
adam walk 2 miles a day for the first week of his exercise plan. the he walk 3 miles a day for the next 9 days. how many miles d
Digiron [165]

Answer:

41 miles

Step-by-step explanation:

The first week, which is 7 days, Adam walked 2 miles a day. So, we have the multiplication equation: 2 * 7 = 14 miles.

For the next 9 days, Adam walked 3 miles per day. So, we have the multiplication equation: 3 * 9 = 27 miles.

Now, we just add these two values together:

14 + 27 = 41 miles

Thus, the answer is 41 miles.

Hope this helps!

7 0
3 years ago
Find the sum of 2n-8x-11 and n+5x-4
nikitadnepr [17]
3n-3x-15  You have to add the like terms.
4 0
3 years ago
I need help with 3x-2y=24​
nasty-shy [4]

Answer:

y= 3/2x -12

Step-by-step explanation:

subract x then u got -2y=-3x+24

divide everythang by -2

then u got y=3/2x -12

5 0
3 years ago
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