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
Kamila [148]
3 years ago
6

Let f(x)=x2+8x. Evaluate f(x)=--16

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0

Answer:

-384

Step-by-step explanation:

f(x) =x^2+8x

evaluate f(x)=-16

input -16 for x

-16^2+8(-16)

-16^2= -256

then, 8*-16=-128

add the two negatives

-256+-128= -384

You might be interested in
Peter is planning on spendind 2/3 as many hours watching television this week as he did last week. Is Peter going to spend more
Law Incorporation [45]
Fewer because 2/3 is less than one whole
5 0
4 years ago
Read 2 more answers
What percent of 20 is 5?
elena-s [515]

Answer:

25%

Step-by-step explanation:

5 ÷ 20 = 0.25 (multiply by 100 to make a percentage)

0.25 x 100 = 25%

Hope this helped :-)

4 0
3 years ago
2. 5x2 + 16x - 84 = 0<br> Helppp please
labwork [276]

Answer:

the x would equal 25 as 5x2 is 10 + 16x25 - 84 is 0.

Step-by-step explanation:

8 0
3 years ago
Ms. Yazzie earns $16.40 per hour at her job. She works 37 1/2
sveticcg [70]
Pretty sure A bc if u multiply the amount of hours by 50 u get 1,875 then times that by 16.4 and u get 30,750 (could be wrong tho)
6 0
3 years ago
Eighteen is 20 percent of what number? Draw the diagram.
Shtirlitz [24]

Answer:  

90

Step-by-step explanation:

20 percent (calculated percentage %) of what number equals 18? Answer: 90.

5 0
3 years ago
Read 2 more answers
Other questions:
  • A student solved the following problem and made an error: Triangles ABC and DEF. Angles A and F are congruent and measure 135 de
    5·1 answer
  • Hakeem is training for a long distance race. He ran 6 1/4 miles on Monday, 5 3/4 miles on Wednsday , and 5 1/4 miles on Friday.
    9·1 answer
  • A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 45 pounds each, and the small boxes
    9·1 answer
  • How do I write the product of six and a number in mathematical terms?
    15·2 answers
  • Can someone explain the snake method, I don't understand how to do it
    13·2 answers
  • How can I solve this problem?
    8·1 answer
  • ndicate whether each of the following relationships is usually a direct relationship or an inverse relationship. a. A sports tea
    12·1 answer
  • What is 1+1-1?.....​
    9·2 answers
  • Please take a look at the picture. Please write your answer with an explanation.
    11·1 answer
  • Tamara is considering two different groups for her relay-race team. Listed below are the different practice times, in minutes, r
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!