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3 years ago

Does changing the compound inequality x>-3 and x<3 from and to or change the solution set? Explain

Mathematics

2 answers:

Serggg [28]3 years ago

8 0

Answer:

So the answer is

Step-by-step explanation:

x)2943

aniked [119]3 years ago

3 0

Answer:The x values of the “and” inequality satisfy both inequalities.

The x values of the “or” inequality satisfy one or both inequalities.

Changing the compound inequality from “and” to “or” changes the solution set from the values between –3 and 3 for all real numbers.

Step-by-step explanation:

that's all u need

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If fan is fully open, what is the approximate area of the fan? Answer choices are attached.

scoundrel [369]

Answer:

Option B. $78.8\ in^2$

Step-by-step explanation:

step 1

Find the area of a circle with radius 8.5 inches

The area of a circle is equal to

$A=\pi r^{2}$

substitute

$A=\pi (8.5)^{2}$

$A=72.25\pi\ in^2$

step 2

Find put the approximate area of the fan

we know that

The area of complete circle subtends a central angle of 360 degrees

using proportion

Find the area that correspond a central angle of 125 degrees

$\frac{72.25\pi}{360^o}=\frac{x}{125^o}\\\\x=72.25\pi(125^o)/360^o\\\\x=25.09\pi\ in^2$

assume

$\pi =3.14$

$25.09(3.14)=78.8\ in^2$

8 0

3 years ago

Which statement best compares the graphs of y=-3x^n and y=3x^n?

devlian [24]

Answer:

The graph of y=-3x^n is the reflection of the graph of y=3x^n about the x axis.

Step-by-step explanation:

If you graph these two functions, then you will notice that they look similar. for example the points of (1,-3) on graph y=-3x^n and point (-1,-3) on graph y=3x^n. They have the same y value but just the reflection of the x value. I hope this helped !!

4 0

4 years ago

Read 2 more answers

Calculate the heat required to melt 1 g of gold at its melting point. The specific heat of fusion for gold is 64.5×103 J/kg.

Galina-37 [17]

Answer:

64.5J

Step-by-step explanation:

Q = ml

Q = (1/1000)kg X 64.5x10^3 J/kg

Q = 64.5 J

5 0

3 years ago

N+6 (10n+7)= simply expression

Aleonysh [2.5K]

Answer:

The correct answer is 61n+42

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3 years ago

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HELP THIS IS DUE

Tatiana [17]

Answer:

Includes Steps

Step-by-step explanation:

3/4x-7 =3(1/6x+1)

3/4x-7=3/6x +3

1/4x=10

x=40

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3 years ago