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
swat32
4 years ago
13

Hello there!

Mathematics
1 answer:
djyliett [7]4 years ago
5 0

2. f(x) = x - 2x² - 5 + 10x

=-2x² + 8x - 5

f'(x)= -4x + 8

4. y = 100(45x - 30 - 3x³ + 2x²)

= 100(-3x³ + 2x² + 45x -30)

= -300x³ + 200x² + 4500x - 3000

y' = -900x² + 400x + 4500

You might be interested in
Lou rode his bike 15 miles north from his house. He walked 3/4 miles west to a phone booth to call Pat who lives 15 miles south
never [62]

Answer:

sjjshjsjshsjsbsjsn

Step-by-step explanation:

ksbjsjsba sorry

7 0
3 years ago
Which pair of expressions are equivalent?
Amiraneli [1.4K]

Answer:

3n + 7 + n and 4n + 7

Step-by-step explanation:

4 0
4 years ago
Rehman invests his summer earnings of $3050. He invests past of the money at 8%/year, and the rest at 7.5%/year. After 1 year, t
sertanlavr [38]

Answer:

let he invest x part of earning at the rate of 8%

simple interest = P*T*R/100 = x*1*8/100 = 0.08x

His invest at the rate of 7.5% = 3050 - x

Again simple interest = P*T*R/100 = (3050 - x)*1*7.5/100 = 228.75 - 0.075x

N0w acc0rding to question

0.08x + 228.75 - 0.075x = 242

0.005x= 13.25

x = 2650

rehman invest 2650 at 8% per year

He invest (3050-2650) = 400 0n 7.5% per year

Step-by-step explanation:

5 0
3 years ago
Can someone pleaseeeee help me
polet [3.4K]
A question like this should be answered by first looking at the number and the numbers you are given and making an estimate, testing it, and repeating if it is incorrect. It is relatively simple and I would like you to at least try a couple of times with an estimate of your own. If you really do have trouble with this, I will put the answers in a second. To make sure you understand the concept I will answer 3 of the 4 and you can try the last one. I will also just state the number of steps and leave the most of the expression writing to you.   ;)     

A. 8 feet forward, 8 feet forward.  8×2 or 0 + 8 + 8

B. Probably the hardest. Good thing you get to do it :)

C. 6 feet forward, 5 feet forward. 0 + 6+5 or 0 + 5+6 (This shows the commutative property)

D. 8 feet forward, 5 feet back. 0 + 8 - 5 or 0 - 5 + 8.

(You Don't Need the 0's in any of them unless you are showing the starting point which you probably are required to do, but since technically the Cecil starts at 0,  added the 0 as the point at which to start your expression.)

6 0
3 years ago
The perimeter of the shape is 58inches. What is the length of the missing side?
sveta [45]

Answer:

3in

Step-by-step explanation:

ithink 3in because is 3in and national phillipines

6 0
3 years ago
Other questions:
  • Help me please!!!!!!
    11·2 answers
  • The equation of the line passing through the points (−10, 0) and (−8, 20) can be expressed as y = mx + b. Give the value of b.
    6·2 answers
  • 51 less than the product of 7 and a number is 19. What is the number?
    15·1 answer
  • Use the distributive property to expand the expression: 6 (5x-8)​
    11·2 answers
  • Convert the repeating decimal 0.7777777..... into a fraction in the simplest form.
    15·2 answers
  • What is the solution to 2x+y=1 and x-2y=3
    5·1 answer
  • One year ago, a man was 8 times as old as his son. Now his age is equal to the square of his sons age. The present age of son is
    11·1 answer
  • -2.4f + 0.4f-16-8=<br> help me please
    11·1 answer
  • Question attached pls explain
    7·1 answer
  • A cookie factory can bake 62 trays of cookies in the morning and 53 trays of cookies in the afternoon. If each tray holds 12 coo
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!