1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Andru [333]
3 years ago
15

Im not sure if its too small or not

Mathematics
1 answer:
beks73 [17]3 years ago
6 0

Answer:

area of ring shape =

(\pi \times 6 \times 6) - (\pi \times 4 \times 4)

=

36\pi - 16\pi

=

20\pi square inches

You might be interested in
Persamaan garis lurus yang melalui titik potong garis dengan persamaan 2x+5y=1 dan x-3y=-5 serta tegak lurus garis dengan persam
Novosadov [1.4K]

pertama menemukan tempat di mana dua persamaan mencegat<span>
2x+5y=1
x-3y=-5
</span>
kalikan persamaan kedua ( x - 3y = -5 ) oleh -2
-2x+6y=10
<span>tambahkan dua persamaan bersama-sama
2x+5=1
<u>-2x+6y=10 +</u>
0x+11y=11
</span>
11y=11
<span>membagi kedua sisi dengan 11
y=1
</span>
subsitute y = 1 untuk y dalam semua persamaan untuk memecahkan x
x-3y=-5
x-3(1)=-5
x-3=5
x=8

x=8
y=1
(x,y)
<span>titik persimpangan adalah ( 8,1 )

</span>
<span>untuk membuat menemukan garis tegak lurus lebih mudah , mengkonversi persamaan terakhir ke bentuk lereng - intercept
2x-y+5=0
2x+5=y
y=2x+5
</span>
<span>garis tegak lurus memiliki kemiringan yang , bila dikalikan dengan kemiringan garis lainnya , memberikan -1
y=mx+b
m=</span>lereng

y=2x+5
2 <span>dikalikan x=-1
x=-1/2
y=-1/2x+b
</span><span>subsitute ( 8,1 ) ke dalam persamaan dan memecahkan untuk b
x=8
y=1
1=-1/2(8)+b
1=-4+b</span>
tambahkan 4 untuk kedua belah pihak
5=b
<span>persamaan adalah y=-1/2+5
</span>
<span>( Catatan : Saya menggunakan google translate )</span>



7 0
4 years ago
F(x) = x2 (x + 2) find the y intercept
larisa [96]

Answer: kinda forgot high school math lol but I’m pretty sure its (0,0)

Step-by-step explanation:

8 0
3 years ago
Tate has 5 more than twice as many pennies as Mia. If Mia has x pennies, which equation can be used to find how many pennies she
sladkih [1.3K]

Answer:

3x + 5 = 30

Step-by-step explanation:

Tate has 2x + 5 pennies and since Tate and Mia have 30 pennies all together you would add an x to the equation of how many pennies Tate has and set it equal to 30 making the equation 3x + 5 = 30

7 0
3 years ago
Read 2 more answers
Glacier State Bank pays 6% interest, compounded daily. After finding the daily interest rate (to the nearest millionths place) f
sveta [45]
6 per cent compounded daily yields
(1 + .(06/365) )^365
= <span> <span> <span> 1.0618313107 </span> </span> </span> -1=
<span> <span> <span> 6.18313107 % annually

Total =  </span></span></span><span>4,000 * (1.0618313107)^(92/365) =
</span><span>$ 4,060.95

Here's a compound interest calculator:
http://www.1728.org/compint.htm

</span>
4 0
3 years ago
What is 30 % of 50 answer fast<br> Please
o-na [289]
Alright my friend so 30% of 50 will be 15
6 0
3 years ago
Read 2 more answers
Other questions:
  • Two forces of 7 newtons and 11 newtons act on a body at an angle of 60° to each other. Find the magnitude of the resultant force
    7·1 answer
  • Simplify 5 to the negative 4th power over 5 to the 3rd. 57 5−1 1 over 5 1 over 5 to the 7th power
    5·2 answers
  • Kevin says that lines p and m will eventually intersect.<br><br> Is Kevin correct?
    10·1 answer
  • leah orders 3 books for $10 each and 5 video games for $10 each in one shipment.if a person orders books and video games in one
    11·1 answer
  • Graph the linear equation. Find three points that solve the equation,then plot on the graph. -4y=-5x-18
    9·1 answer
  • When i was 4 my sister was 2 now if i am 100 how old is my sister
    7·1 answer
  • What single percentage change is equivalent to a 12% decrease followed by a 13% decrease?
    8·1 answer
  • A restaurant is hosting a dinner event for a maximum of 95 people. So far, 23 people have registered to attend the event. There
    13·1 answer
  • Does 2x-7=1/3(6x-12) + (-3) have one solution, infinitely many solutions, or no solutions? Please show how you got the answer an
    9·2 answers
  • 5x+45=35<br><br> What is the value of x?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!