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
ddd [48]
3 years ago
10

1. Giles thinks that -5x²(3x - 4) simplifies to 15x² + 20x². Explain what mistakes he made. What is the

Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Answer:

The mistake was minus sign before the 15 and putting 15x² instead of 15x³.

The correct answer is:

-5x^{2} (3x-4)\\ = -15x^{3} + 20x^{2}

You might be interested in
1 point
SpyIntel [72]

Answer:

20

Step-by-step explanation:

IF you are asking why it is because 50-32=18 than you do 18/.90 which equals 20 so there you go thanks make brainliest

3 0
3 years ago
What is the product of (x-2)(x+2)?
Ilya [14]

Answer:

The difference of squares is (a - b)(a + b) = a² - b². Since a = x and b = 2, the answer is x² - 4.

6 0
3 years ago
Read 2 more answers
A model of a volcano has a height of 12 in., and a diameter of 12 in. What is the approximate volume of the model?
miss Akunina [59]

Answer:

Cone Volume = (PI * radius^2 * height) / 3

Cone Volume = (PI * 6^2 * 12) / 3

Cone Volume = 452.3893421169 cubic inches

Source: http://www.1728.org/volcone.htm

Step-by-step explanation:

7 0
3 years ago
Please help as soon as possible
GREYUIT [131]
A. To get the percent of students, divide the number of students who DO ride the bus (5 kids) with the TOTAL number of students (8 kids).

B. See the picture below :)

5 0
3 years ago
Can 2 different elements have the same atomic number
damaskus [11]
Atomic number cannot be same and also atomic number can also be called an unique ID of an element.
5 0
3 years ago
Read 2 more answers
Other questions:
  • What is 18-4d equal to
    9·2 answers
  • Which graph shows y=3⌈x⌉+1 ?
    15·2 answers
  • What is the probability that you will select someone from the survey that does not watch ABC?
    5·1 answer
  • Find the total mass of 32 nails each of mass 1.7 grams
    10·2 answers
  • HELP! HELP! plz help me. look at pic.
    11·1 answer
  • We know that atoms bond with each other forming new substances. How do these unions occur?
    8·1 answer
  • Please solve, -8-2(7r+1)=-94​
    5·2 answers
  • X
    6·1 answer
  • Solve ax + b = cx + d for x.
    5·1 answer
  • Y= 3x +5
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!