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kipiarov [429]
2 years ago
13

Solve and check please i need help

Mathematics
2 answers:
viktelen [127]2 years ago
6 0

Answer:

e = 7.5

Step-by-step explanation:

Hi,

15 = e/0.5

You need to find what e equals. To do that, you need e all by itself. So to get e by itself in this equation, you need to multiply by 1/2 (same thing as 0.5). 15 x 0.5 is equal to 7.5.

To check your work, 7.5/0.5 is equal to 15.

So you know it's correct.

I hope this helps you :)

Viktor [21]2 years ago
6 0

Answer:

15=5.43656365

Step-by-step explanation:

Replace e with an approximation.

and then Divide

2.71828182

by

0.5

.

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How do you find the radius of a circle with a circumference of 12pi
sergejj [24]

Answer:

6

Step-by-step explanation:

The circumference of a circle is 2\pir\pi r, so 12\pi=2\pi r\\12=2r\\r=6.  We can use this because the area of a circle is \pi r^2.  Thus, \pi*6^2=36\pi.

4 0
3 years ago
In one city, taxi company A charges $5 plus $0.35/km travelled. Taxi company B charges $3.50 plus $0.50/km.
lions [1.4K]

Answer:

If you are asking for the equations, Company A would be 0.35x + 5 and Company B would be 0.50x + 3.50. :)

Step-by-step explanation:

3 0
2 years ago
Point A is at (-7,5) and point is at (5,-1).
olga55 [171]

Answer:

B = (3, 5)

Step-by-step explanation:

Point A is at (-7,5) and point C is at (5,-1).  Find the coordinates of point B on AC such that AB is 5 times longer than BC.  Then, B split AC in a 5:1 ratio.

rise = yC - yA = -1 - 5 = -6

run = xC - xA = 5 - (-7) = 12

c = 5/(5+1) = 5/6

B = (xA + c*run, yA + c*rise)

B = (-7 + 5/6*12, 5 + 5/6*-6)

B = (3, 5)

8 0
2 years ago
Read 2 more answers
Round your answer to the nearest hundredth.
iren2701 [21]

Given b=4 and ∠β=20°,

a = 10.98991

c = 11.69522

∠α = 70° = 1.22173 rad = 7/18π

h = 3.75877

area = 21.97982

perimeter = 26.68513

inradius = 1.64735

circumradius = 5.84761

a

b

c

Calculation Steps

The following is one way to perform the calculation. It may not be the best way.

c =

b

sin(β)

= 11.69522

a = √c2 - b2

= √11.6952176006522 - 42

= √120.77811472661

= 10.98991

∠α = 90° - ∠β

= 70° = 1.22173 rad = 7/18π

area =

a × b

2

=

10.989909677818 × 4

2

= 21.97982

perimeter = a + b + c

= 10.989909677818 + 4 + 11.695217600652

= 26.68513

inradius =

a × b

a + b + c

=

43.959638711274

26.685127278471

= 1.64735

circumradius =

c

2

=

11.695217600652

2

= 5.84761

- ror

8 0
2 years ago
Use the graph of y =g(x) to graph the given function.
Semenov [28]

Answer:

See image attached

Step-by-step explanation:

This type of transformation corresponds to a reflection of the function's graph around the x axis. Therefore one should obtain the mirror image of the segments on he upper quadrant as shown in red in the attached image.

3 0
3 years ago
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