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
zubka84 [21]
2 years ago
5

Multiply the given polynomials. Answers should be simplified and written in standard form.

Mathematics
1 answer:
e-lub [12.9K]2 years ago
7 0

Answer:

a² - 5a - 36

Step-by-step explanation:

(a - 9)(a + 4)

each term in the second factor is multiplied by each term in the first factor, that is

a(a + 4) - 9(a + 4) ← distribute parenthesis

= a² + 4a - 9a - 36 ← collect like terms

= a² - 5a - 36

You might be interested in
A cookie recipe states for every 3 cups of flour, 1 1/2 teaspoons of vanilla are needed. How many teaspoons are needed for 5 cup
skad [1K]
3 / 1½ = 2 cups of flour per teaspoon

2x = 5
divide both sides by 2 to isolate x

x = 2.5

You need 2.5 teaspoons of vanilla for 5 cups of flour.
4 0
3 years ago
when 1580 is divided into 13 equal parts, the remainder is 7. What is the correct way to write the quotient
Alisiya [41]

_121_ R7 or 121 7/13
13)1580
13
28
26
20
13
7
5 0
3 years ago
Read 2 more answers
The kinetic energy k of an object in joules is given by the formula k=1/2mv² where m is the object's mass in kilograms and v is
Tamiku [17]

Answer:

192000 J

Step-by-step explanation:

k = 1/2 mv²

48000 = 1/2 x m x (20)²

48000 = 200m

m = 240 kg

new k

k = 1/2 x 240 x 40²

k = 192000 J

5 0
3 years ago
Allie is 26 years old. This is half of her
SVETLANKA909090 [29]

Answer:

18

Step-by-step explanation:

8 0
3 years ago
Explain how to find 27% of 16 using multiplication by
just olya [345]

Answer:

4.32

Step-by-step explanation:

You can multiply 16 by 0.27 to get the answer.

16*0.27=4.32

You can check your work with estimation because 27% is about 1/4 of the number, and just by looking at the number, 4 is 1/4 of the number.

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the mean and mode of the data set shown below? {2, 4, 5, 6, 8, 2, 5, 6}
    15·1 answer
  • Simplify 1/3(6x−12)+4x
    10·1 answer
  • If tan theta = 10/13 and cos theta > 0 then sin2theta is what ?
    14·1 answer
  • If x = -5 and y = 3 x − 5, then y equals what number?
    13·2 answers
  • What is a quadratic function?
    9·1 answer
  • Which angle is an x-intercept for the function y = cos(1/2x)
    9·2 answers
  • Is this right PLEASE HELP ILL GIVE BRAINLY
    12·1 answer
  • Negative integers are integers less than zero is it true or false?<br> True<br> False
    13·1 answer
  • The following is a random sample of the annual salaries of high school counselors in the United States. Assuming that the distri
    6·1 answer
  • An event has a probability of 2/7. How would you best describe the likelihood of this event? (Hint: Change it to a decimal)
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!