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
Georgia [21]
2 years ago
6

What is the area of a half circle with a radius of 40 cm?

Mathematics
2 answers:
Andre45 [30]2 years ago
7 0

Answer:

5027 square centimeters (cm2)

Step-by-step explanation:

miskamm [114]2 years ago
7 0

Answer:

800π or 2513.3

Step-by-step explanation:

A = πr²/2

A = 1600π/2 or 800π

You might be interested in
Can someone please tell me how to do this?
ziro4ka [17]

The vertical angles are congruent (or equal) so,

32 = 2x

2x = 32

2x/2 = 32/2 ..... dividing both sides by 2

x = 16 which is the answer

3 0
3 years ago
Read 2 more answers
Find an equation of the tangent line to the curve at the given point. y = x + tan(x) at (pi, pi)
S_A_V [24]
<span>Differentiating :

y' = 1 + sec^2(x),
</span><span>
cosπ=−1</span><span>

plug in pi = -1 ,for x:

1 + sec^2(pi) = 1 +  (-1)^2 
                      = 2</span>
8 0
3 years ago
Jules ran 2/3 miles. Miles ran 5/8 more than Jules. How many miles did Miles run?
kifflom [539]
2/3 is equivalent to 16/24
and 5/8 is equivalent to 15/24 miles
15/24+16/24= 31/24

31/24 simplifies to 1 6/24
Which simplifies down to 1 1/6

Miles ran 1 and 1/6 miles
3 0
3 years ago
Read 2 more answers
S is the midpoint of RT. If RS = 7x-4 and ST = 5x+10, what is ST
Natali [406]

Answer: 45

Step-by-step explanation:

RS=ST\\\\7x-4=5x+10\\\\2x-4=10\\\\2x=14\\\\x=7\\\\\implies ST=5(7)+10=45

7 0
10 months ago
HELP me plz someone!
Kamila [148]

Answer:

4,095 ft³

Step-by-step explanation:

V=LWH

V = 3 x 15 x 14

V= 4,095

4 0
3 years ago
Other questions:
  • The price of a box of 15 cloud markers is $12.70. The price of a box of 42 cloud markers is $31.60. All prices are without tax,
    5·2 answers
  • Write the following numbers in standard form Thirteen thousand , eight , hundred forty three ,
    9·2 answers
  • Why is 4+-3 equal to 1
    5·2 answers
  • What is the first error Holden made in his proof?
    7·2 answers
  • A tourism website claims travelers can see Europe for $75 a day. If a tourist saved $1,875 for a vacation, how many days can he
    5·1 answer
  • Triangle Similarity
    6·1 answer
  • If f(x)=x^2+2x+1<br> Find f^1 (x)
    8·1 answer
  • F(x+8)=x^2+2x+2 i need to simplify that
    11·1 answer
  • Tell whether (-1,2) is a solution of 8x+y&gt;-6
    8·1 answer
  • pirates 1.05 * 2.8 by calculating 105 * 28 then moving to decimal 3 places to the left Why does Priya method make sense
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!