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2 years ago

1) State the area of the given trapezoid.

Mathematics

1 answer:

ZanzabumX [31]2 years ago

8 0

Answer:

Step-by-step explanation:

5m+5m8m+4m=24m2 of the primeter

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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

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

5 0

3 years ago

What is -0.8a-8=0.2a ?

nikklg [1K]

I hope this helps you

8 0

3 years ago

Please answer meee......

aleksklad [387]

Answer:

rfhrdhdrhrhdrhrhr

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

1/3(a+b+c)=z <br>solve a <br>

Oksanka [162]

<em>Greetings from Brasil...</em>

isolating a:

(a + b + c)/3 = z

(a + b + c) = 3z

4 0

3 years ago

Can someone help me please?

MAVERICK [17]

Good. I hope you get locked, most mainly banned. Nobody needs you, “FrIsK”

4 0

3 years ago