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
zvonat [6]
3 years ago
8

A student finished 8 of her homework problem in class. IF the ratio of problems she finished to problems she still had left was

4: 1, how many homework promblems did she have total?
Mathematics
2 answers:
GuDViN [60]3 years ago
7 0

Answer:

2 problems remaining

Step-by-step explanation:

Damm [24]3 years ago
3 0

Answer:

2 problems remaining

Step-by-step explanation:

If the ratio is 4:1 or 4 to 1, and the 4 stands for the problems finished we can multiply by 2 for each side to get 8:2 now she has 2 problems remaining!

Hope this helps! Feel free to ask questions as I also feel the pain with doing math! :)

You might be interested in
Convert 312 quarts to gallons.
dimaraw [331]
78 gallons is the same as 312 quarts
8 0
3 years ago
A(n)=3/2(-2)^(n-1). What is the 3rd term in the sequence?
Angelina_Jolie [31]

Answer:

6

Step-by-step explanation:

Substitute n for 3

A(n) = 3/2(-2)^(n-1)

A(3) = 3/2(-2)^(3-1)

A(3) = 3/2(-2)²

A(3) = 3/2(4)

A(3) = 12/2

A(3) = 6

3 0
4 years ago
Read 2 more answers
Prove that an = 4^n + 2(-1)^nis the solution to
olga nikolaevna [1]

Answer:

See proof below

Step-by-step explanation:

We have to verify that if we substitute a_n=4^n+2(-1)^n in the equation a_n=3a_{n-1}+4a_{n-2} the equality is true.

Let's substitute first in the right hand side:

3a_{n-1}+4a_{n-2}=3(4^{n-1}+2(-1)^{n-1})+4(4^{n-2}+2(-1)^{n-2})

Now we use the distributive laws. Also, note that (-1)^{n-1}=\frac{1}{-1}(-1)^n=(-1)(-1)^{n} (this also works when the power is n-2).

=3(4^{n-1})+6(-1)^{n-1}+4(4^{n-2})+8(-1)^{n-2}

=3(4^{n-1})+(-1)(6)(-1)^{n}+4^{n-1}+(-1)^2(8)(-1)^{n}

=4(4^{n-1})-6(-1)^{n}+8(-1)^{n}=4^n+2(-1)^n=a_n

then the sequence solves the recurrence relation.

4 0
4 years ago
DEFINE ALL OF THESE, ONE SENTENCE EACH, PLEASE
coldgirl [10]

<u>Answers:</u>

These are the three major and pure mathematical problems that are unsolved when it comes to large numbers.

The Kissing Number Problem: It is a sphere packing problem that includes spheres. Group spheres are packed in space or region has kissing numbers. The kissing numbers are the number of spheres touched by a sphere.  

The Unknotting Problem: It the algorithmic recognition of the unknot that can be achieved from a knot. It defined the algorithm that can be used between the unknot and knot representation of a closely looped rope.

The Large Cardinal Project: it says that infinite sets come in different sizes and they are represented with Hebrew letter aleph. Also, these sets are named based on their sizes. Naming starts from small-0 and further, prefixed aleph before them. eg: aleph-zero.

7 0
3 years ago
Which inequality has a dashed boundary line when graphed? A y&gt;=3/5x+1 B y&gt;= -1/3x+1 C y&gt;3x+1
Ket [755]

Answer: C y>3x+1

Step-by-step explanation:

  • When we graph an  inequality with strictly greater of less than sign ('<' or '>'), then the graph has a dashed boundary line .
  • Further it indicates that it does not include the points on the line.

From all the given options , only C contains inequality with '>' sign .

Hence, y>3x+1 is the inequality has a dashed boundary line when graphed.

hence, the correct option is C.

4 0
3 years ago
Other questions:
  • What is 8,663,943,526 rounded to the nearest hundred thousand?
    15·1 answer
  • To solve 35-19, jack used 35-20 what did he do next
    8·2 answers
  • When artists create a three dimensional object that does not enclose all sides, we refer to it as having open volume. Group of a
    5·1 answer
  • 3(2y-1)-2(2y)=2. what is the answer to this
    10·2 answers
  • Which is the slope of a line through the points (-1, 2) and (5, 8)?
    7·1 answer
  • PLEASE HELP! I REALLY NEED IT
    11·2 answers
  • Complete the square to find<br> the vertex of this parabola.<br> x2 + 10x – y + 15 = 0<br> ([?], [])
    6·1 answer
  • Find an equation of the line described. Write the equation in slope-intercept form when possible.
    7·1 answer
  • The cafeteria made 19 mushroom pizzas and 57 pepperoni pizzas.What percentage of the pizzas were mushroom?
    12·1 answer
  • 11. A square-shaped floor is covered with congruent square tiles. If the total number of tiles that lie on the two diagonals is
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!