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
bearhunter [10]
3 years ago
9

Can someone help me with question 19,21 and 23. I will mark brainleast

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer:

19 is 4/dc^2

21 is y+4/4

23 is x+2/x-2

Step-by-step explanation:

You might be interested in
What is the answer for <br><br> 2ab(xa^9+ya^3-6)
trapecia [35]

The answer for 2ab(xa^9+ya^3-6) is 2a^10bx + 2a^4by-6ab.

What is the mathematical expansion?

A mathematical expansion can be described as the finite combination of symbols which can be seen as one having rules which is usually based on the context that is been used.

The solution for the question is 2a^10bx + 2a^4by-6ab

Therefore, the expansion  of 2ab(xa^9+ya^3-6) is 2a^10bx + 2a^4by-6ab.

Learn more about expansion at:

brainly.com/question/723406

8 0
2 years ago
One gallon of paint covers about 450 square feet. How many square feet 1.5 gallons of paint covers?
kozerog [31]
Answer:
675 square feet

Step-by-step explanation:

It is given that 1 gallon of paint covers about 450 square feet.
To calculate how many square feet will 1.5 gallon of paint cover, we have to multiply 450 by 1.5.
1.5 gallons of paint cover = 450 × 1.5 = 675 square feet.

1.5 gallon of paint will cover 675 square feet
7 0
3 years ago
How to do a dilation factor in geometry
Ostrovityanka [42]
Hello!

To find the dilation factor you find what figure 1 was multiplied by to get figure 2

Hope this helps!
8 0
3 years ago
Jada wrote 10 000 000 using scientific notation as<br> 10 - 106<br> Is Jada correct?
babymother [125]
I don’t understand it
5 0
3 years ago
Read the following paragraph. How does sentence 4 develop the main idea of the paragraph?
saul85 [17]

Answer:

This sentence shows Elion's determination and commitment to learn.

Step-by-step explanation:

During this time she also took classes at New York University, where she earned a master's degree in 1941.

3 0
4 years ago
Other questions:
  • Find the missing lengths of the sides
    10·1 answer
  • Complete the factorization shown. 2x2 − x − 6 = (2x + )(x − )
    12·2 answers
  • There is a line that includes the point (6,9) and has a slope of 3. What is its equation in
    12·1 answer
  • A portion, segment, or piece of a whole is called a __.
    10·2 answers
  • A machine takes 2.8 hours to make 9 parts at that rate,how many parts can machine make in 28.0
    7·1 answer
  • Tiffany used 2/5 kg of cherries to bake pies Linda used 1/10 kg of cherries to bake Tarts how many kilograms of cherries did the
    12·1 answer
  • Find two integers whose sum is 10 and product is 9
    12·1 answer
  • A circle is drawn within a square as shown.
    8·2 answers
  • Consider functions f and g.<br><br><br><br> Which expression is equal to f(x) ⋅ g(x) ?
    9·1 answer
  • Which graph represents the function f (x) = 8 Superscript one-third x?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!