Answer the above question

Mathematics

2 answers:

Lera25 [3.4K]3 years ago

7 0

Answer:

Step-by-step explanation:

B is the only one out of the four that fits the description. To check, use the process of elimination.

A: There is no triangle that uses the coordinates.

C: Although both triangles fit the coordinates, X' Y' and Z' are in the spot where X Y and Z should be (and vice versa).

D: Similarly to A, there is no triangle that uses the coordinates.

igor_vitrenko [27]3 years ago

4 0

Answer:

Step-by-step explanation:

A and C have the primes on the points not the original shape on the point so their wrong

And D the points are marked wrong

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(X+2)(X+6) simplify using grouping

Leona [35]

(x+6)(x+2)
Simplifying
(x + 6)(x + 2)

Reorder the terms:
(6 + x)(x + 2)

Reorder the terms:
(6 + x)(2 + x)

Multiply (6 + x) * (2 + x)
(6(2 + x) + x(2 + x))
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3 years ago

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find the dimensions of a rectangle whose width is 4 miles less than its length and whose area is 96 square miles

Scilla [17]

Answer:

12 miles by 8 miles

Step-by-step explanation:

Let length be represented by x

Since width is 4 miles less than the length, therefore, the width will be (x-4) miles

Area=Length*Width

Area=x(x-4)= $x^{2}-4x$

Area is given hence

$x^{2}-4x=96$

To write the above equation as a quadratic equation

$x^{2}-4x-96=0$

By factorization, we find two numbers whose sum is -4 and product is -96, these are 8 and -12. Therefore, taking these two numbers back to our equation

(x+8)(x-12)=0

Therefore, x=-8 or 12

Equally, using quadratic formula of

$x=\frac{-b±\sqrt{b^{2} -4ac}}{2a}$ for equation $ax^{2}+bx+c=0$ and in our case a=1, b=-4 and c=-96