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
finlep [7]
3 years ago
13

What is (-a + b) (-c + d)?​

Mathematics
1 answer:
algol [13]3 years ago
4 0

Answer:

(−a+b)(−c+d)

=(−a+b)(−c+d)

=(−a)(−c)+(−a)(d)+(b)(−c)+(b)(d)

=ac−ad−bc+bd

You might be interested in
True or false: Climate of an area is established without studying long term weather patterns PLS HELP THIS IS SCIENCE NOT MATH
Amanda [17]
True I’m pretty sure: Climate can change without studying weather patterns, you don’t need to study them for climate to be established. If i’m wrong sorry
4 0
3 years ago
A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is the total
maria [59]
The total number of dancers in the school is 150.
7 0
3 years ago
You want to choose a volleyball team from a combined group of 11 boys and 13 girls. The team consists of 6 players. What is the
loris [4]

Answer:

11 out of 24

13 out of 24

Step-by-step explanation:

6 0
4 years ago
(-y+5•3)+7.2y-9)=6.2y+n
kramer
(-y+5x3)+(7.2y-9)=6.2y+n
(-y+15)+(7.2y-9)=6.2y+n
since you're adding the two parentheses, you don't need to have them there
-y+15+7.2y-9=6.2y+n
7.2y-y +15-9 =6.2y+n
6.2y + 6 =6.2y+n
6.2y - 6.2y -n = -6
-n=-6
n=6

3 0
3 years ago
What is the slope and rate change?
jekas [21]
Slope is 3/2 rate of change is
7 0
3 years ago
Other questions:
  • It is about maths/Es sobre mates<br> 1/2+1/8:(6-7/4:2)-1/41
    13·1 answer
  • Colton has 16 blue marbles and 8 white ones.if he wants to place them in identical groups without any marbles left over what is
    5·1 answer
  • Here’s a clearer picture
    15·1 answer
  • A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as i
    12·2 answers
  • A quadrilateral has angles that measure 101°, 133°, and 76°. what is the measure of the fourth angle?
    9·1 answer
  • What are the correct trigonometric ratios that could be used to determine the length of LN? Check all that apply. Sin(20°)=LN/8.
    8·1 answer
  • The measure I NEED HELP NOW!!!!!!!
    14·2 answers
  • Please help!, thanks. please no scam answers​
    5·1 answer
  • Ayoo if dia makes any sense plz help u needa find the domain an range of #1 #2 an #3.. Just unit 10........
    6·1 answer
  • 77 inches is equal to
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!