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2 years ago

Is there a relationship between the area and the perimete of a rectangle. Explain

Mathematics

1 answer:

Nady [450]2 years ago

5 0

The area is another way of say perimeter. it's the inside area of the rectangle

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Rewrite the quadratic function in vertex form.<br> Y=2x^2+4x-1

Fantom [35]

Answer:

$\large\boxed{y=2(x+1)^2-3}$

Step-by-step explanation:

The vertex form of an equation of a parabola:

$y=a(x-h)^2+k$

(h, k) - vertex

We have

$y=2x^2+4x-1=2\left(x^2+2x-\dfrac{1}{2}\right)$

We must use the formula: $(a+b)^2=a^2+2ab+b^2\qquad(*)$

$2\left(x^2+2(x)(1)-\dfrac{1}{2}\right)=2\bigg(\underbrace{x^2+2(x)(1)+1^2}_{(*)}-1^2-\dfrac{1}{2}\bigg)\\\\=2\left((x+1)^2-1-\dfrac{1}{2}\right)=2\left((x+1)^2-\dfrac{3}{2}\right)$

Use the distributive formula a(b + c) = ab + ac

$2(x+1)^2+2\left(-\dfrac{3}{2}\right)=2(x+1)^2-3$

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2 years ago

Can someone please help me it’s due in 5 minutes

Thepotemich [5.8K]

Answer:

You can use Desmos to graph any equation:

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2 years ago

Ac=_____ what is AC?

choli [55]

Answer:

3.4 + 3.4 = 6.8

Step-by-step explanation:

Review your triangle and geometry. Since the triangles are both similar, they would have the same side.. etc.

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3 years ago

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What is the quotient? x-3 divided into 4x2+3x+2

EastWind [94]

So I just set up a division for this question. I hope this helped and ask for any further help.

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2 years ago

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Myras stamp collection consisted of 120 stamps in October by the following March her collection had grown to 138 stamps by how m

Karolina [17]

The answer is 18. Just take the number that comes later and simply subtract from the original number. EXAMPLE- 138-120=18. Hope this helps.

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2 years ago

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