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3 years ago

What is the significance of a dashed and solid line on an inequality function?

Mathematics

2 answers:

Nadya [2.5K]3 years ago

6 0

Answer:

Inequalities that use < or > symbols are plotted with a dashed line to show that the line is not included in the region. Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region.

raketka [301]3 years ago

6 0

Answer:

An inequality function is something very odd or different

Step-by-step explanation:

im sorry if wrong

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Which answer shows 9x 10-5 written in standard form?

kolezko [41]

Answer:

0.0009

Step-by-step explanation:

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3 years ago

The perimeter of a square can represent by 16x + 24. Willa wants to write an equivalent expression for the perimeter that shows

Maslowich

The diagram shows that all the sides of the rectangle are congruent. Since the perimeter all of the sides added up, all you have to do is divide the perimeter by 4.

Therefore, the perimeter, which is 16x + 24, can be divided by 4 to find the length of one side.

16x + 24/4 = length of one side. So, the length of one side is 4x + 6.

Hope this helped!

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3 years ago

Find the inverse Laplace transform f(t) of the function F(s). Write uc for the Heaviside function that turns on at c, not uc(t).

zzz [600]

Answer:

F(t) $=\frac{-1}{2}e^{7(t-7)}+\frac{1}{2}e^{-7(t-7)}$

Step-by-step explanation:

We have given $F(S)=\frac{7e^{-7s}}{s^2-49}$

Now $F(S)=e^{-7s}G(s)$

Here $G(S)=\frac{7}{S^2-49}$

Now first find the Laplace inverse of G(S)

Using partial fraction

$\frac{7}{(s+7)(s-7)}=\frac{A}{(S+7)}+\frac{B}{S-7}$

$7=A(S-7)+B(S+7)$

On comparing the coefficient

$A=\frac{1}{2}$ and $B=\frac{-1}{2}$

On putting the value of A and B

$G(S)=\frac{-1}{2(S+7)}+\frac{1}{2(S+7)}$

Taking inverse Laplace

$G(t)=\frac{-1}{2}e^{7t}+\frac{1}{2}e^{-7t}$

Now in G(s) there is onether term $e^{-7s}$

So F(t) $=\frac{-1}{2}e^{7(t-7)}+\frac{1}{2}e^{-7(t-7)}$

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3 years ago

What is the volume of the right rectangular prism?<br> Area of base = 56 sq ft<br> Need help

Lilit [14]

Step by step: 4 divided by 56

because the 4 represents how many sides of the shape .

and 56 is the total of the rectangle prism .

and u won’t multiply because u can’t get a bigger number than the total .

Answer: 14

Hope this helps !

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3 years ago

The temperature is 16 degrees F in the morning and drops to -15 degrees F in the evening what is the difference between these te

Arturiano [62]

16 - (-15) = 16 + 15 = 31...difference of 31 degrees

8 0

3 years ago