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Art [367]
2 years ago
14

Help ASAP!!!!! ;))) tyyy

Mathematics
1 answer:
hodyreva [135]2 years ago
3 0
3. dude these are easy. I think you got it.
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LGS matematik
NeX [460]

Answer:

si quieres la respuesta pon más puntos

3 0
2 years ago
Help with problems 1 & 3
vlabodo [156]
One side of the rectangle is x=2, the other side is 2x-5
Add up all the four sides: (x+2) +(x+2)+(2x-5)+(2x-5)=54
6x-6=54
x=10

#3: suppose the first integer is x, then the second one is x+2
x(x+2)=255
x^2 +2x -255 =0
factor the quadratic equation: (x+17)(x-15)=0 
x=-17, which is impossible, or x=15
so the two positive integers are 15 and 17


5 0
3 years ago
Help, don’t understand this problem.
Mila [183]

Answer:

(2, 3 )

Step-by-step explanation:

Given the 2 equations

3x - 5y = - 9 → (1)

x + 2y = 8 → (2)

Multiplying (2) by - 3 and adding to (1) will eliminate the x- term, that is

- 3x - 6y = - 24 → (3)

Add (1) and (3) term by term to eliminate x

(3x - 3x) + (- 5y - 6y) = (- 9 - 24), that is

- 11y = - 33 ( divide both sides by - 11 )

y = 3

Substitute y = 3 into either of the 2 equations and solve for x

Substituting in (2)

x + 2(3) = 8

x + 6 = 8 ( subtract 6 from both sides )

x = 2

Solution is (2, 3 )

8 0
2 years ago
Read 2 more answers
The table shows the Webster family’s monthly expenses for the first three months of the year. They are $2,687.44, $2,613.09, and
zloy xaker [14]

8109.17 that is the answer if u add it

6 0
3 years ago
Read 2 more answers
The steps Quentin took to evaluate the expression 3m - 3+3 when m = 8
kicyunya [14]

Answer:

Subtracted 3 from (24+3)

Step-by-step explanation:

3m - 3 + 3

24 - 3 + 3

Since the adding and subtracting go left to right, you can do them in that order.

21+3 = 24.

Now which one gives us 24?

(24+3) - 3

3 0
3 years ago
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