3 years ago

How to write a fraction in interval notation

1 answer:

7 0

Answer:

So it's all real numbers except for that value okay now I want to show you guys how to write that in interval. Form because it we wrote all real numbers as negative infinity to infinity

Step-by-step explanation:

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85<br>What number goes where the<br>question mark is?

MariettaO [177]

Answer:

I DONT UNDERSTAND

Step-by-step explanation:

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3 years ago

5^2x * 5^3 =5^9 what is x please help

erastovalidia [21]

Answer:

x = 3

Step-by-step explanation:

${5}^{2x} \ast {5}^{3} = {5}^{9} \\ {5}^{2x + 3} = {5}^{9} \\ 2x + 3 = 9 \\ (bases \: are \: equal \: so \: exponents \: will \: also \: \\ be \: equal) \\ 2x = 9 - 3 \\ 2x = 6 \\ x = \frac{6}{2} \\ \huge \red { \boxed{x = 3}}$

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4 years ago

Ind the equation of the tangent line to 9x^2+16y^2=52 through (2, -1)

EastWind [94]

Here are the steps.

In order to get the answer, first we need to get the x and y value of the center of the circle by using the equation of a circle (x^2 + y^2 = r^2)

<span>The center is (-9, -4)</span>

Once you get the center point, find the equation of the line (in a form of a radius) from the center point to point (2, -1). Get the slope.

The slope from center to point (2, -1) is 11/3

Finally, get the negative reciprocal of the slope from the previous step and form the equation using slope-intercept form ( y=mx + b). Then, that's the equation of the tangent line.

The slope of the tangent line is -3/11
The equation is y = -3/11x - 5/11

6 0

3 years ago

I watched a movie called Nemo, the movie was 1h:20m long. The first commercial started at 20 minutes ideational commercials were

ankoles [38]

7 1 is 20 2,3,4,5,6,7 is at 10 mins

3 0

3 years ago

Read 2 more answers

A rectangle has a perimeter of 112 centimeters. if the length of the rectangle is 3 times its width, find the dimensions of the

ss7ja [257]

112/2=56 (sum of both lengths)
4x=56
x=14

length=42
width=14

7 0

4 years ago