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
Degger [83]
3 years ago
10

A bag contains white marbles and red marbles, 32 in total. The number of white marbles is 7 less than 2 times the number of red

marbles. How many white marbles are there?
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
The picture shows the answer when x is white marbles and y is red
You might be interested in
A culture started with 4,000 bacteria. After 5 hours, it grew to 4,800 bacteria. Predict how many bacteria will be present after
eimsori [14]
First we need to find k ( rate of growth)
The formula is
A=p e^kt
A future bacteria 4800
P current bacteria 4000
E constant
K rate of growth?
T time 5 hours
Plug in the formula
4800=4000 e^5k
Solve for k
4800/4000=e^5k
Take the log for both sides
Log (4800/4000)=5k×log (e)
5k=log (4800/4000)÷log (e)
K=(log(4,800÷4,000)÷log(e))÷5
k=0.03646

Now use the formula again to find how bacteria will be present after 15 Hours
A=p e^kt
A ?
P 4000
K 0.03646
E constant
T 15 hours
Plug in the formula
A=4,000×e^(0.03646×15)
A=6,911.55 round your answer to get 6912 bacteria will be present after 15 Hours

Hope it helps!
4 0
3 years ago
Read 2 more answers
Maria used a number line to find 12 ÷ 4.
aleksandrvk [35]

Answer:

12 divided by 4 is 3, this is how::

Step-by-step explanation:

            ------ .(-4)------- .(-4) ---------.(-4)

<---------------------------------------------------->

0  1  2  3  4  5  6  7  8  9  10  11  12

hope this made sense

8 0
3 years ago
Read 2 more answers
What does Point P on the number line represent? (Use the hyphen for negative numbers, such as −9) Number line from negative 8 to
Triss [41]

Answer:

-7

Step-by-step explanation:

since its 1 point negative below 8 its -7

7 0
3 years ago
Two boys who live 14 miles apart start at noon to walk toward each other at rates of 3 mph and 4 mph respectively. In how many h
aniked [119]
Since you have the answers given, just track their walking.
After one hour, one guy has covered 3mi and the other 4mi, which is in total 7, not 14
After 2 hours, one guy has covered 6mi and the other 8mi, which is 14mi

The algebraic way would be:
3x +4x = 14 *x being the hour
7x = 14
x =2
6 0
3 years ago
Read 2 more answers
X + y = 8<br> Let x = 6. What is y?<br> Enter the correct answer.<br> DONE<br> 00000
yuradex [85]

Answer:

y=2

Step-by-step explanation:

x+y=8

6+y=8

6+2=8

so y=2

5 0
3 years ago
Read 2 more answers
Other questions:
  • What is the volume of the composite figure
    6·1 answer
  • If the equation of a circle is (x+5)^2 + (y-7)^2=36, its center point is​
    14·1 answer
  • The angle o represents the phase shift, determined by the initial conditions of the experiment or the position of the weight at
    10·1 answer
  • Jessica purchased a DVD that was on sale for 12% off. The sales tax in her county is 3%. Let y represent the original price of t
    14·1 answer
  • Irene wants to list the factors for 88.she writes 2, 4, 8, 11, 22, 44 and 88 is Irene correct?Explain.
    5·1 answer
  • CAN I HAVE HELP PLEASE
    6·1 answer
  • NEED HELP
    6·1 answer
  • Expand<br> (2x – 3)^4 <br> Someone help please
    14·1 answer
  • Which of the following are perfect squares select all that apply
    9·2 answers
  • Suppose you run 4 miles from your house to a friends house at the speed of 7 miles per hour. When the time comes to return home,
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!