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ivanzaharov [21]
2 years ago
9

How many solutions does 5 - 2x = 4 - 2x + 4 + x have?

Mathematics
1 answer:
maks197457 [2]2 years ago
8 0

Answer:

One solution, being x = -3

Step-by-step explanation:

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xxMikexx [17]

Answer:

56^6

Step-by-step explanation:

when they are the same exponent

you just add the coefficients

7 0
3 years ago
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Factorise using the difference of two squares:<br> I)4x squared-(2x+3) squared
alex41 [277]
4x² - (2x + 3)²
4x² - (2x + 3)(2x + 3)
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4x² - (4x² + 6x + 6x + 9)
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8 0
3 years ago
A garden is in the shape of a square with a perimeter of 36 36 feet. The garden is surrounded by two fences. One fence is around
Vlad [161]

Answer:

$110.88

Step-by-step explanation:

Let L be the length of the first fence surrounding the garden and P its perimeter.

For a square, P = 4L,

So, L = P/4

Since P = 36 feet,

L = P/4

= 36/4

= 9 feet

Let L' be the length of the second fence. Given that second fence is 3 feet away from the first fence, it follows that L' = L + 3

= 9 + 3

= 12 feet.

So, the perimeter of the second fence is P' = 4L'

= 4 × 12 feet

= 48 feet.

So, the total length of the two fences is P" = P + P'

= 36 feet + 48 feet

= 84 feet

Since the cost of the material to build the two fences is $1.32 per foot, the total cost of the fences is cost per foot × total length of fences = $1.32 × 84 = $110.88

3 0
3 years ago
PLEASE HELP ME ( MULTIPLE CHOICE)!!
Anton [14]

Answer:

D

Step-by-step explanation:

an undefined slope has the same x value no matter what y value it has, therefore, D

(please rate and thank)

4 0
3 years ago
Erika calculated that she would spend $115 on school supplies this year. She actually spent $82.50 on school supplies. What is E
DerKrebs [107]
The equation to find percent error is:
percent error=(experimental-theoretical)/theoretical *100
So, (115-82.5)/82.5=0.393939*100
39.3939%, or 39.94%

Hope this helps!!
6 0
3 years ago
Read 2 more answers
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