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
satela [25.4K]
3 years ago
15

Work out area of this semi circle with diameter 10

Mathematics
1 answer:
ANTONII [103]3 years ago
8 0

Area of a circle is pi x r^2

R is the radius which is have the diameter: r = 10/2 = 5

Area of the full circle would be 3.14 x 5^2 = 3.14 x 25 = 78.5 square units.

A semi circle is half a full circle

Area of the semi circle = 78.5/2 = 39.25 square units.

You might be interested in
What angles do perpendicular lines form
Natasha2012 [34]

Answer:

Perpendicular lines form 90 degree angles. It creates 4 of them, to be exact. Hope this helps! :)

7 0
3 years ago
Multiply the following binomials.<br> (4x-6)(x-7)
Alexxandr [17]

Answer:

4x^2 -34x+42

Step-by-step explanation:

(4x-6)(x-7)

FOIL

first 4x*x = 4x^2

outer 4x*-7 = -28x

inner : -6 *x = -6x

last : -7*-6 = 42

Add them together = 4x^2 -28x-6x +42

                                =4x^2 -34x+42

7 0
3 years ago
Can you do 2 and 3 please and tell me how you got your answer?
alexandr402 [8]

Answer:

2. Sorry, I don't how to put that into words, because i'm trying to use calculators, then figure out how they got their answer.

3. C

Step-by-step explanation:

2. ^

3. to get the difference between two numbers, (100 and 50, for example,) you must just simply have them minus each other, like simple math. 100 - 50 = 50.

So your difference between the number 100, and the number 50, are 50.

7 0
3 years ago
Evaluate the expression for the given value of the variable.
Stels [109]

Answer:

4 * (3 + 5)

4 * 8

<u>32</u>

Step-by-step explanation:

5 0
2 years ago
Which set of numbers does -5 belong ​
tester [92]
Is there any more to this question? Because-5 doesn’t belong anywhere
3 0
3 years ago
Other questions:
  • Probability Question
    7·2 answers
  • A dice was rolled five times and the following were rolled: 1, 3, 3, 4, 4
    14·1 answer
  • Leon has a handful of of dimes and quarters valuing $3.40. He has 6 more dimes than he does quarters. How many of each coins doe
    14·1 answer
  • Crackers come in packages of 24 cheese slices come in packages of 18 and he wants one cheese slice for each cracker Patrick me t
    15·1 answer
  • What is (6x-5) + (8x-50)
    11·2 answers
  • Write an equation to represent the following statement 29 is 6 more than K solve for K<br><br> K =
    15·1 answer
  • Two cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of the
    15·1 answer
  • Charlie makes a batch of 90 cookies and divides it into smaller batches. If there is 1/3 cup of flour in each small batch, how m
    9·1 answer
  • When 4x^2+7x-5 is subtracted from 9 x^2-2x+3 the result is<br><br> please help me
    11·1 answer
  • Which multiplication expression is equal to 1/4÷1/3​?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!