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
PIT_PIT [208]
3 years ago
9

Explain your answer

Mathematics
2 answers:
boyakko [2]3 years ago
7 0
(4w^2-7w-6)-(8w^2+2w-3)\\ -(a\pm b)=-1(a\pm b)\ \ \ \ |use\ a\ distributive\ property: a(b\pm c)=ab\pm ac\\\\\=4w^2-7w-6-8w^2-2w-(-3)\\\\ = 4w^2-7w-6-8w^2-2w-(-3)\\\\=(4w^2-8w^2)+(-7w-2w)+(-6+3)\\\\=\boxed{-4w^2-9w-3}
Nataliya [291]3 years ago
6 0
(4w² - 7w - 6) - (8w² + 2w - 3)
(4w² - 8w²) + (-7w - 2w) + (-6 + 3)
-4w² - 9w - 3
The answer is A.
You might be interested in
How to write the ratio 8:30 as a fraction in simplest form
omeli [17]
4/15 because you make it into a fraction: 8/30, you find the GCF which is 2, so then you divide both the numerator and denominator by 2 and get 4/15 at it's simplest term
5 0
3 years ago
Help please..................
anygoal [31]
The answer is Either 2 18 or 21
7 0
3 years ago
70 POINTS!! AND BRAINLIEST HELPPPPP!!!
DerKrebs [107]

Answer:

  1. 3000 girls
  2. 38 fishes
  3. 37 points
  4. 115 marbles
  5. 19 gray coloured cars

Step-by-step explanation:

Let the unknown values be x

1.

30 class mates = 1 class room

18 girls in 1 classroom

18 girls in 30 classmates

x girls in 5000 class mates

18\:girls= 30\:students\\x\:girls = 5000\:students\\\\Cross\:Multiply\\\\30x = 90000\\\\Divide\:both\:sides\:by\:30\\\frac{30x}{30} = \frac{90000}{30}\\ \\x = 3000\\= 3000 girls

2.

2.5\:miles = 12 \:fishes\\8\:miles = x\:fishes\\\\Cross\:Multiply\\2.5x = 96\\\\Divide\:both\:sides\:of\:the\:equation\:by\:2.5\\\\\frac{2.5x}{2.5}=\frac{96}{2.5}\\  \\x = 38.4\\Approximately \: =38\:fishes

3.

8\:minutes = 14\: points\\21 \:minutes = x \:points\\\\Cross\:Multiply\\8x = 294\\\\\mathrm{Divide\:both\:sides\:by\:}8\\\frac{8x}{8}=\frac{294}{8}\\\\Simplify\\x=\frac{147}{4}\\\\x = 36.75\\\\Approximately\:= 37\:points

4.

32\:marbles = 5\:inches\\x\:marbles = 18\:inches\\\\Cross\:Multiply\\5x = 576\\\\\mathrm{Divide\:both\:sides\:by\:}5\\\frac{5x}{5}=\frac{576}{5}\\\\x=\frac{576}{5}\\\\x =115.2\\= 115=\:marbles

5.

2 \: gray\:colour= 15\:cars\\x\:gray= 140\:cars\\\\Cross\:Multiply\\\\15x = 280\\\\\mathrm{Divide\:both\:sides\:by\:}15\\\frac{15x}{15}=\frac{280}{15}\\\\Simplify\\x=\frac{56}{3}\\\\x =18.666\\Approximately ;\\19

6 0
4 years ago
Read 2 more answers
Patricia hugo and sun work at a music store
olasank [31]
Whats the question????
4 0
4 years ago
Read 2 more answers
a sketch of y=x^2+6x+15 has been drawn. Complete the sketch by entering the corresponding values on the axes.​
8_murik_8 [283]

Answer:

Vertex=(-3,6) and Y intercept is 15/(0,15)

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What is the inverse of y=x+5​
    13·1 answer
  • What is the answer to this −6+3(2+(−4t)) there are 3 awnsers plz elp
    5·1 answer
  • 12²+ 9 - 4<br> a) 119<br> b)147<br> c)137<br> d)221
    9·2 answers
  • What the area of a circle with the radius of 7
    5·2 answers
  • -6x – 2y – z=-17<br> 5x + y - 6z = 19<br> -4x – 6y - 6z=-20
    12·1 answer
  • FREEEEEEEEEEEEEEEEEE POINTSSSSSSSSSSSS​
    14·1 answer
  • Help please me with this
    11·2 answers
  • can someone give me a good explanation of scientific notation. simple but smart. i’m in algebra 1 honors
    15·1 answer
  • Pls help I need it again​
    12·2 answers
  • What is the distance between -4 and -14?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!