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fomenos
3 years ago
9

The area of rectangular Envelope is given by the trinomial x^2 +8x+7. The length of the envelope is x+7. What is the width of th

e envelope ?
Mathematics
1 answer:
stealth61 [152]3 years ago
7 0
X+1 is the width of the envelope. If you need work just say do in the comments please.
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Solve the system of equations below algebraically <br> 2x+3y=6 and -5x+2y=4
Charra [1.4K]


Steps
I’m using elimination so I’m trying to get rid of y
To do that I multiply the first equation by 2 and the second by -3. Then solve
4x + 6x = 12
15x + -6x = -12
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19x + 0 = 0
Divid by 19 to get x to one side. 0/19 is 0 so
X= 0
Plug that into an equation so 0 + 3y = 6
Divid by 3 and y = 2
Answer x = 0 y = 2
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3 years ago
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wlad13 [49]

Answer:

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Step-by-step explanation:

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3 years ago
Evaluate the expression (2x + y) +5 when x = 4, y = 10.
Maru [420]

Answer:

The answer is 23.

Step-by-step explanation:

Our equation here is (2x + y) + 5.

If x=4, and y=10, let's plug that in into our variables, and simplify!

[2(4) + (10)] + 5

= [8+10] + 5

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7 0
3 years ago
Read 2 more answers
Beginning in 2000, an orchestra increased its ticket price by a constant amount each year until 2010.
Scilla [17]

Answer:

$35.50

Step-by-step explanation:

55.50-48= 7.5

2008-2005 = 3

7.5 divided by 3 = 2.5 per year

2005-2000 = 5 multipled by 2.5 = 12.5

48-12.5=35.5

6 0
2 years ago
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Scilla [17]

Answer:

$20,000

Explanation:

1400 × 100 ÷ 7

= 20,000

3 0
3 years ago
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