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Paraphin [41]
3 years ago
8

Find the area of a regular pentagon with an apothem of 2.75 cm and a side length of 4 cm. (round to the nearest whole number)

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:B 28 cm^2

Step-by-step explanation:

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Find the distance between each pair of points <br>L(-7,0) ,Y(5,9)​
Sedbober [7]

Answer:  The distance is 15

Step-by-step explanation:

To find the distance between L and Y find the difference in the x and y coordinates then square them and add them to find their square root.

-7-5= -12

0-9 = -9

12^2 + 9^2 = d^2   where d is the distance

144 + 81 = d^2

225 = d^2

d= \sqrt{225}  

d= 15

3 0
3 years ago
Idk how to do this 4x+y=1
ivolga24 [154]
4x+y=1
4x+y-1=1-1
4x+y-1=0
6 0
3 years ago
Help me ?!?! Pleaseee
Mars2501 [29]

Answer:

C.

Step-by-step explanation:

Hope this helps! :)

6 0
3 years ago
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find the slope/ rate of change of the two points. Identify whether it is positive, negative, undefined or zero. (0,15) and (16,-
weqwewe [10]

Answer:1.7 its positive

Step-by-step explanation: 0,15 .  16,-12

y1-y2/x1-x2

15-(-12)= 27

0-16= 16

27/16 = 1.7

4 0
3 years ago
If r(x) = 2 – x2 and w(x) = x – 2, what is the range of (w circle r) (x)?
VashaNatasha [74]

Answer:

(-\infty, 0)

Step-by-step explanation:

(w circle r) (x) is the composite function(w of r(x)), that is, w(r(x))[/tex]

We have that:

r(x) = 2 - x^{2}

w(x) = x - 2

Composite function:

w(r(x)) = w(2 - x^{2}} = 2 - x^{2} - 2 = -x^{2}

-x^{2} is a negative parabola with vertex at the original.

So the range(the values that y assumes), is:

(-\infty, 0)

3 0
3 years ago
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