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Nutka1998 [239]
3 years ago
8

How to find domain and range on functions

Mathematics
1 answer:
uranmaximum [27]3 years ago
6 0
The domain is the set of all possible x-values which will make the function "work", and will output real y-values. When finding the domain, remember: The denominator (bottom) of a fraction cannot be zero. The number under a square root sign must be positive in this section
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A circle has radius 50 cm. Which of these is closest to its area?
olga55 [171]

Answer:

7854 cm²

Step-by-step explanation:

3.14 x 50² = 7850

4 0
2 years ago
Reduce to simplest form. - 3/5 + 1/3
Pani-rosa [81]

Answer: -4/15

Step-by-step explanation: To add these two fractions together,

we start by finding their <em>Least Common Denominator</em> (LCD).

Since our denominators of 5 and 3 have no factors in common,

our least common denominator is 5 · 3 or 15.

In order to get a denominator of 15 in each fraction,

we multiply top and bottom of the first fraction by 3

and top and bottom of the second fraction by 5.

That gives us -9/15 + 5/15 which simplifies to -4/15.

As your last step, make sure that the fraction

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In this case, -4/15 does not reduce but watch out for this last step.

8 0
2 years ago
Bonnie's orange was cut into eights. she ate 3/8 of the orange and her friend ate 3/8 of it. Did they eat the whole orange? expl
Georgia [21]
No they did not eat the whole thing. They are 6 out of 8 pieces of the orange. Therefore there is still 2 pieces left
5 0
2 years ago
Read 2 more answers
Eva has borrowed 200 songs from her friend. She plans to download an equal number of songs on her music player each week for 5 w
Alenkasestr [34]

PART A)

The rate of change is -40 songs each week, because the amount of songs left to be downloaded decrease by 40 every week.

<span>the initial value is 200 at 0 weeks, which means that there are 200 songs to be downloaded at the beginning</span>

PART B)

<span><span><span> <span><span>calculate the slope:
</span><span> m = (y2- y1)/(x2 - x1) = (160 - 200)/(1 - 0)
m = -40
now use the line equation in form of point-slope
y - y1 = m(x - x1)
y - 200 = -40(x - 0)
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<span>
<span>
</span></span>

5 0
3 years ago
In the diagram of circle A, what is m angle LMN?<br> О 75°<br> O90°<br> О 120°<br> 135°<br> ОО
Jet001 [13]

Answer:

90

Step-by-step explanation:

Angle Formed Outside = 1/2(DIFFERENCE of Intercepted Arcs)

ARC LN = 360 - 270 =90

LMN  = 1/2(270 -90)

         = 1/2 (180)

        = 90

3 0
3 years ago
Read 2 more answers
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