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
damaskus [11]
3 years ago
9

Pls help me it's due today​

Mathematics
1 answer:
Dimas [21]3 years ago
8 0

Answer:

r³ + 15r² - 10r - 4

Step-by-step explanation:

First, note you can remove the brackets, in this case they contribute nothing at all.

Then, group the like terms and add them, e.g., we have 3r³ and -2r², they add up to r³.

Finally, order them from greatest power of r to smallest power of r.

That's all!

You might be interested in
ACTIVITY 1
Shkiper50 [21]

Answer:

500,000

2

(3)

10.5%

Activity 2

Directions: Find the unknown principal P, maturity

6 0
3 years ago
Help asap, click on pic
Black_prince [1.1K]

Answer:

2.2%

Step-by-step explanation:

748 divided by 340 equals 2.2.

5 0
3 years ago
Read 2 more answers
For the function below, give the ordered pair if x = 2 f(x)=-3(x+2)2+9
Kay [80]

Answer:

(2, -39)

Step-by-step explanation:

f(x)=-3(x+2)^2+9

f(2)=-3(2+2)^2+9

f(2)=-3(4)^2+9

f(2)=-3(4)(4)+9

f(2)=-3(16)+9

f(2)=-48+9

f(2)=-39

8 0
2 years ago
A teacher collects data on the number of hours, s, his students spend studying and the number of hours, t, they spend watching T
Sidana [21]
Since there is a negative correlation, evident by the negative slope of the equation of the line given to be -0.5, if we take t as 0, we get an equation of,
                                            s = 3.6
This means that if a student does not watch television, he or she spends a maximum of 3.6 hours studying. 
5 0
3 years ago
A chemist has three different acid solutions. The first acid solution contains 25%
PilotLPTM [1.2K]
Solution:
Let the volume (in litres) of acids used be:
x1=amount of 25% acid
x2=amount of 40% acid
x3=3*x2=amount of 60% acid
8 0
3 years ago
Other questions:
  • A contractor is calculating the interior perimeter of square windows on a building site. Each window will be framed with 2 inche
    7·1 answer
  • How to make a business tycoon?
    9·1 answer
  • 3/10 + 2/5 what is the answer?
    14·1 answer
  • 2>5+p solving step of inequalities
    6·1 answer
  • If one angle of a rhombus is 35ºWhat are the other three angles
    11·1 answer
  • Ruby uses 1/4 yard of ribbon to make 2 Bows. Which expression shows the length of ribbon in each bow ?
    14·1 answer
  • Six times the sum of a number and twelve is forty.
    11·1 answer
  • What is the nth term of 29 and 47<br>​
    15·1 answer
  • If the second question is asking us to shade
    14·1 answer
  • The highest mark in the Science test was 92. Three
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!