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
erica [24]
3 years ago
9

Check whether these statements are wff or not:(a) (p˅q) ∧∼r

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
4 0

Answer:

It is a well formed formula

Step-by-step explanation:

1 - p,q,r are well formed formulas.

2 - p \ \lor \ q  is a well formed formula as well.

3 - \neg r is a well formula as well

4 - (\ p \ \lor \ q) \ \land \ \neg r is a well formula as well.

You might be interested in
A recipe for 1 loaf of banana bread uses 34 cup of bananas.
jonny [76]

Answer: yes

Step-by-step explanation:

Each loaf uses 34 cups

1 loaf 114-34= 80 cups left

2nd loaf 80-34= 46 cups left

4 0
3 years ago
Find the area of a circle with a radius of 21 feet. Use 22/7 for pi.
shusha [124]

Answer:

1386 square units

Step-by-step explanation:

Area of a cirlce = Pi x r^2 [ Pi is 22/7 as stated in question]

22/7 x 21^2 = 1386 sq. units

5 0
3 years ago
3(9x-9)=16+3(-2x+9) please help me
Maru [420]
<span>3(9x-9)=16+3(-2x+9)
27x - 27 = 16 - 6x + 27
27x + 6x = 16 + 27 + 27
33x = 70
x = 70/33
x = 2 4/33

In short, Your Answer would be 70/33 or 2 4/33 

Hope this helps!</span>
5 0
3 years ago
What is one similarity and one difference between an altitude and a median of a triangle?
trasher [3.6K]
The median of the triangle is a segment that connects the vertex of the triangle to the midpoint of the side opposite to the vertex. <span>The altitude of the triangle is a segment that connects the vertex of the triangle to the side opposite to the triangle, which intersects that side at exactly 90°.</span>
3 0
2 years ago
Can someone answer and do the working out please!
trasher [3.6K]

Answer:

y=−4

Step-by-step explanation:

Let's solve your equation step-by-step.

7y−4=−32

Step 1: Add 4 to both sides.

7y−4+4 =−32+4

7y =−28

Step 2: Divide both sides by 7.

7y/7 = −28/7

y=−4

(/:divide) Hope it helps!!

4 0
3 years ago
Other questions:
  • Find the coordinates of the circumcenter for triangle DEF with coordinates D(1,3) E(8,3) and F(1,-5) show your work
    11·1 answer
  • Solve for x. <br><br> 5x - 1 = 26<br><br> x = 27/5<br> x = 5<br> x = -5
    10·1 answer
  • What is .64 divided by 3.456
    11·1 answer
  • in the 2010 new york city marathon 42429 people finished the race and received a medal before the race the medals had to be orde
    13·1 answer
  • Find the mean of this set of data: 241, 563, 829, 755.<br> A. 596<br> B. 597<br> C. 598<br> D. 599
    5·2 answers
  • This was the best photo I could take.
    10·1 answer
  • Can someone check this for me please?
    12·2 answers
  • 6ya +7y{a<br> Find the sum<br> O 13y^2<br> O O 13ay<br> O 13y/2a<br> 0 13ya
    8·1 answer
  • The price of an item has been reduced by 55%. The original price was $20. What is the price of the item now?
    13·1 answer
  • Write 12/root2 + root18 in the form broot2 where b is an interger
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!