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DochEvi [55]
3 years ago
12

I really need help! Thank you so much to whoever can help with this

Mathematics
1 answer:
laila [671]3 years ago
5 0
6 + 2x = 1/2(12+4x)

6 + 2x = 1/2 * 12 + 1/2 *4x

6 + 2x = 6 + 2x    Distributive property

6 + 2x = 6 + 2x        We can see that both sides are equal.
-6           -6

2x = 2x

Since we can insert any number and get an equal equation.

Answer: Infinite solutions. 

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A window in the shape of a rectangle as shown below has a width of x+5 and a length of x^2- 3x+7 express the area of the rectang
Ksju [112]

Answer:

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Step-by-step explanation:

since a=lw, the area is (x^2-3x+7)(x+4)

1. distribute parentheses \left(x^2-3x+7\right)\left(x+4\right)=x^2x+x^2\cdot \:4+\left(-3x\right)x+\left(-3x\right)\cdot \:4+7x+7\cdot \:4

2. apply +(-a)=-a rule x^2x+4x^2-3xx-3\cdot \:4x+7x+7\cdot \:4

3. Simplify

    Steps to simplify:

x^2x=x^3

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3\cdot \:4x=12x

7\cdot \:4=28

x^3+4x^2-3x^2-12x+7x+28

4. Add like terms =x^3+4x^2-3x^2-5x+28

5. Add like terms =x^3+x^2-5x+28

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2 years ago
Help me solve this problem please
miss Akunina [59]

Answer:

JL = 54

Step-by-step explanation:

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substitute for x:

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JL = 16+11+28-1

JL = 54

7 0
2 years ago
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