Whatttttt? Help meeeeeeeeeeeeeeeeeeeeeeeee... lost all braincells binge watching peppa!!!

Mathematics

2 answers:

morpeh [17]3 years ago

5 0

Answer: C

Step-by-step explanation: It's the most logical.

and don't lie. We all know you watch dora more.

34kurt3 years ago

3 0

Answer:

The answer is that you originally had no brain cells because you decided to watch peppa pig.

Step-by-step explanation:

Simple Logic

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The perimeter of a rectangle is 158 meters.The length is 7 more than the twice the width.Wrote and solve the system to determine

Talja [164]

Answer:

36 and 43

Step-by-step explanation:

let, length be (x+7) and width be x.

here,

perimeter of rectangle=2(l*w)

or,158=2(x+7*x)

or,158=4x+14

or,158-14=4x

or,144=4x

or,144÷4=x

x=36

width=36

length=x+7

=36+7

=43

4 0

3 years ago

find the zeros of 2x^2 - 16x + 27 using the quadratic formula. be sure to simplify the expression. Can someone please show me ho

____ [38]

For a quadratic of the form $f(x)=ax^2+bx+c$ , we have the quadratic formula
$x=\dfrac{-b \pm \sqrt{b^2 -4ac} }{2a}$ ,
where a is the coefficient (number before the variable) of the squared term, b is the coefficient of the linear term, and c is the constant term.

So, given $2x^2-16x+27=0$ , we can get that $a=2, \ b=-16$ , and $c=27$ . We substitute these numbers into the quadratic formula above.

$x=\dfrac{-(-16) \pm \sqrt{(-16)^2 -4(2)(27)} }{2(2)}$

$x=\dfrac{16 \pm \sqrt{(256 -216)} }{4}$

$x=\dfrac{16 \pm \sqrt{40} }{4}$

$x=\dfrac{16 \pm 2\sqrt{10} }{4}$

$x=4+ \frac{\sqrt{10}}{2}, \ x=4- \frac{\sqrt{10}}{2}$

This is our final answer.

If you've never seen the quadratic formula, you can derive it by completing the square for the general form of a quadratic. Note that the $\pm$ symbol (read: plus or minus) represents the two possible distinct solutions, except for zero under the radical, which gives only one solution.