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3 years ago

If i am right in this problem, How can i show my work for this equation?

Mathematics

2 answers:

Nataliya [291]3 years ago

8 0

Answer: x2 + 4x + 11

Step-by-step explanation:

First, (x + 2)2 + 7

Second, (x+2)(x+2) + 7

Third, X2 + 2x + 2x + 4 + 7

Last, x2 + 4x + 11

MARK ME BRAINIIEST PLEASE THANK YOU!!!!!!

elena-14-01-66 [18.8K]3 years ago

7 0

Answer: x2 + 4x + 11

Step-by-step explanation:

(x + 2)2 + 7

(x+2)(x+2) + 7

X2 + 2x + 2x + 4 + 7

x2 + 4x + 11

You might be interested in

If there’s 40 students and 55% students passed.<br> What number of students passed

OlgaM077 [116]

Answer:

Step-by-step explanation:

40x.55=22

5 0

3 years ago

a rectangle has an area of 30 square meters and a perimeter of 34 meters. what are the dimensions of the triangle?

gayaneshka [121]

The dimensions for the rectangle are 15 by 2.

15 times 2 is 30, which is the area.

15+15+2+2= 34 which is the perimeter

5 0

3 years ago

in rectangle ABCD, BD and AC are diagonals and intersect at E. If BD = 84 units and AE = 6y, what is the value of y

goldfiish [28.3K]

Answer:

y = 7

Step-by-step explanation:

The diagonals of a rectangle are congruent and bisect each other, then

AC = BD , that is

AE + EC = BD [ AE = EC = 6y ]

6y + 6y = 84

12y = 84 ( divide both sides by 12 )

y = 7

3 0

2 years ago

Solve 0= 2t^3-21t^2+ 40t

sukhopar [10]

$0=2t^3-21^2+40t$
switch sides
$2t^3-21t^2+40t=0$
solve factoring
$t(t-8)(2t-5)=0$
using the zero factor principle
$t=0
$
solve
$t-8=0:t=8$
solve
$2t-5=0:t= \frac{5}{2}$
$t=0,t=8,t= \frac{5}{2}$
Hope this helps

4 0

3 years ago

Do anyone know the answer to this? Answers please?

Amanda [17]

Answer:

Yes

Step-by-step explanation:

You can check whether the ratios form a proportion, by setting one piece of the ratios as x

Thus, we can use the equation 4/3.2=22/x.

From this, we get 4x=70.4.

Solving for x gives us 17.6.

5 0

2 years ago