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
masya89 [10]
3 years ago
15

PLEASE HELP ANSWER ALL 3!!! 20 POINTS !!

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
8 0
Now, there is no problem...
BlackZzzverrR [31]3 years ago
3 0
2.25 cm per hour for the first one and 18cm for the second one
You might be interested in
The radius of a cylinder is 4 inches and the height is 5 inches. Which statements are correct?
morpeh [17]

Answer:

Use Math site

Step-by-step explanation:    Math                      way

6 0
3 years ago
Read 2 more answers
3a.) Today, everything at a store is on sale. The store offers a 20% discount. 1 poin
Novay_Z [31]

Answer:

14.40

Step-by-step explanation:

100%-> 18

100-20=80

80%-> 14.40

6 0
3 years ago
Simplify 115(4) help pleaseee
Mice21 [21]

Answer:

I got 460.

Step-by-step explanation:

You multiply 115 by 4. Right?

5 0
3 years ago
Read 2 more answers
State how many imaginary and real zeros the function has.
sammy [17]

Answer:

Step-by-step explanation:

If you'd graph this function on a graphing calculator or graphing utility, you'd see quickly that the graph never touches or crosses the x-axis.  This tells us immediately that there are no real roots; all four roots are complex or imaginary.

6 0
3 years ago
If f(×)=2×^2+3, then which of the following represent f(-1)?
eimsori [14]

To find the inverse of this function, we first need to replace f(x) with y.

y = 2x^2 + 3

Now, we swap x and y

x = 2y^2 + 3

Now, we solve for y.

-3

x - 3 = 2y^2

Sqrt both sides.

√(x - 3) = 2y

Divide by 2

√(x - 3)/2 = y

Replace y with f^-1(x)

√(x - 3)/2 = f^-1(x)


Just realized you were asking for f(-1), not f^-1(x)

Feels bad.

f(-1) = 2(-1^2 + 3)

f(-1) = 2(-1^5)

f(-1) = 2(-1)

<u>f(-1) = -2</u>

I'm leaving the original answer in case you also need the inverse function. :)

3 0
3 years ago
Other questions:
  • Which of the following ordered pairs lies on the graph of h(x)=-3x^2?
    9·2 answers
  • The result of subtracting two or more numbers is called
    11·1 answer
  • How do i get x by itself
    5·1 answer
  • I need help on a question. Could someone help me?
    9·1 answer
  • Find the nearest degree PLS HELP
    12·1 answer
  • Write the ratio in simplest form.<br> 28 elementary schools to 10 middle schools.
    10·2 answers
  • Help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
    12·2 answers
  • How many į inch cubes does it take to fill a box with width 2 inches, length 3. inches, and height 2 inches?​
    7·1 answer
  • What is a value of this​
    6·1 answer
  • The addends on an algebraic expression are called the___ of the expression
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!