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liberstina [14]
3 years ago
6

What expression is equivalent to the area of metal sheet required to make this square-shaped traffic sign?

Mathematics
2 answers:
vovangra [49]3 years ago
7 0
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below are the choices based on the question above:

<span>16x2 + 12x + 9

  16x2 + 24x + 9

  8x2 + 9

  8x2 + 6
</span>
The answer is the second one <span>16x^2 +24x+9</span>
AveGali [126]3 years ago
3 0

Answer: \text{Area of the square shaped traffic sign }=16x^2+9+24x

Step-by-step explanation:

Given: The side of the square shaped traffic sign = 4x+3

We know that the area of square is given by:-

Area= side^2

Therefore, the area of the side of the square shaped field is given by:-

Area=(4x+3)^2

We know that , (a+b)^2=a^2+b^2+2ab

Therefore,

(4x+3)^2=(4x)^2+(3)^2+2(4x)(3)\\=16x^2+9+24x

Hence, \text{Area of the square shaped traffic sign }=16x^2+9+24x

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If
Leno4ka [110]

Answer:

\frac{s^2-25}{(s^2+25)^2}

Step-by-step explanation:

Let's use the definition of the Laplace transform and the identity given:\mathcal{L}[t \cos 5t]=(-1)F'(s) with F(s)=\mathcal{L}[\cos 5t].

Now, F(s)=\int_0 ^{+ \infty}e^{-st}\cos(5t) dt. Using integration by parts with u=e^(-st) and dv=cos(5t), we obtain that F(s)=\frac{1}{5}\sin(5t)e^{-st} |_{0}^{+\infty}+\frac{s}{5}\int_0 ^{+ \infty}e^{-st}\sin(5t) dt=\int_0 ^{+ \infty}e^{-st}\sin(5t) dt.

Using integration by parts again with u=e^(-st) and dv=sin(5t), we obtain that

F(s)=\frac{s}{5}(\frac{-1}{5}\cos(5t)e^{-st} |_{0}^{+\infty}-\frac{s}{5}\int_0 ^{+ \infty}e^{-st}\sin(5t) dt)=\frac{s}{5}(\frac{1}{5}-\frac{s}{5}\int_0^{+ \infty}e^{-st}\sin(5t) dt)=\frac{s}{5}-\frac{s^2}{25}F(s).

Solving for F(s) on the last equation, F(s)=\frac{s}{s^2+25}, then the Laplace transform we were searching is -F'(s)=\frac{s^2-25}{(s^2+25)^2}

3 0
3 years ago
Considering the sign up fee and monthly membership fee for a gym the equation c=30m+25 can be used to represent the total cost o
Naddik [55]

Answer:

$25

Step-by-step explanation:

Cost  = 30 x months  +  25

Every month you will pay 30$

At 0 months when  you sign up  substitute m=0

Cost  = 30x 0  +25 =  0  +25 =25

7 0
2 years ago
The line of reflection is the ____. y-axis, center of rotation, x-axis
nydimaria [60]

Answer:The line of reflection is the y axis

Step-by-step explanation:

8 0
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Find the slope of the line that passes through (10,3) and (6,2)
8_murik_8 [283]

Answer:

.25

Step-by-step explanation:

y2-y1/x2-x1

m = -1 / -4 = 0.25

6 0
3 years ago
Which expression is equivalent to 8(u + 3)?
Korolek [52]

Answer:

<h2>8(u + 3) = 8u + 24</h2>

Step-by-step explanation:

8(u+3)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(8)(u)+(8)(3)=8u+24

5 0
2 years ago
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