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
Inessa05 [86]
3 years ago
6

4. Multiply or divide : i) (a+b) (a-b) ii) (4b +5a) ÷ 2 b​

Mathematics
1 answer:
IgorC [24]3 years ago
4 0

Answer:

1. a²-b²

2.4b² + 5ab/2

Step-by-step explanation:

1:. it's a formula of a²-b² so, it can be solved like this and

2: I'm not sure about 2nd one

You might be interested in
a group of students were surveyed to find out if they like building snowmen or skiing as a winter activity. The results of the s
Liula [17]

Answer:

2/5 or 0.4

Step-by-step explanation:

10 students like building snowmen but do not like skiing

so students who like both building snowman and skiing = 60 - 10 = 50

Total number of students who does not like building snowman and also does not like skiing = 80 - 60 = 20

Therefore, the probability that  a student who does not like building snowmen also does not like skiing = 20/50 = 0.4

6 0
3 years ago
I hate how i have to write things here
Harlamova29_29 [7]

Answer: Question 1 is m=-7/4

Question 2 is -4 as the y axis where it intercepts and the other coordinate is (3,-2)

Step-by-step explanation:

8 0
2 years ago
3(2−4)=−30 step by step
Margarita [4]
3•2-3•4
6-12=-30
-6=-30
false
6 0
3 years ago
What is the quotient of 2x^(3)+3x^(2)+5x divided by x^(2)+x+1
Anit [1.1K]
<h3><u>Answer</u><u>:</u></h3>
  • \large{ \underline{ \boxed{ \green{ \tt{2x + 1 +  \frac{2x - 5}{ {x}^{2}  + x + 1} }}}}}

7 0
3 years ago
You have a standard deck of cards. You choose a diamond or an ace.<br><br> Mutually exclusive or Not
defon

Answer:

mutually exclusive

Step-by-step explanation:

7 0
3 years ago
Other questions:
  • Here's a graph of a linear function. Write the equation that describes that function.
    10·1 answer
  • 1. Nuri wants to determine the average distance she travels each day in her car. She records the odometer reading each morning f
    7·1 answer
  • M+4-3m=4+12m alguem pode me dizer qual o resultado ?
    12·1 answer
  • Find the mass. Volume=2.3cm cubed<br> Density=4.1g/cm cubed
    6·1 answer
  • Ava was making muffins. She used 1 1/3 tsp of cinnamon and 1/2 tsp of nutmeg. How many teaspoons of spice did Ava use?  
    9·1 answer
  • Which statement best describes a secant of a circle?
    12·2 answers
  • What does it mean to find the square root of a number? <br><br><br> What is the square root of 49 ?
    13·1 answer
  • Round your answer to the nearest hundredth.<br> 700
    6·2 answers
  • 18. If x + y = a, y + z = b and z + x = c, the average<br>of x, y<br> and z is:<br><br>​
    15·2 answers
  • Someone please help
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!