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
Naddika [18.5K]
3 years ago
7

The half-life of chromium-51 is 28 days. If the sample contained 5.10 grams, how much chromium was present 168 days ago?

Mathematics
1 answer:
stepan [7]3 years ago
3 0
I don’t understand how many grams had the first one,so I can’t help you
You might be interested in
Carol is making a pattern with toothpicks. The first five terms of Carol's pattern are shown.
stellarik [79]

Answer:

B

Step-by-step explanation:

Let's make a table:

Term 1:     3 toothpicks

Term 2:     4 toothpicks

Term 3:     5 toothpicks

Term 4:     6 toothpicks

Term 5:     7 toothpicks

Term N = N + 2 toothpicks

6 0
3 years ago
tony spent $60.54 and bought 3 packs of notebooks and a calculator. how much does a pack of notebooks cost if a calculator costs
Amiraneli [1.4K]
First you need to find out the remaining value after he bought the calculator this would be 14.67.

60.54 - 45.87= 14.67

Next youll assume the packs of notebooks all cost the same and divide by 3

14.67 / 3 = 4.89

He spent 4.89 on one pack of notebooks
6 0
3 years ago
the population of a town increases by 8% annually if the present population is 54000 what was it a year ago?
yKpoI14uk [10]

Answer:

49680

Step-by-step explanation:

Multiply 54,000 by 92%. 100%(this years population)-8%=92%

54000*0.92 = 49680, people one year ago.

8 0
3 years ago
Someone help ASAP!!
Alinara [238K]

Answer:

Pretty sure is 90 degrees

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How many corners does a cube have? how many faces does a cube have? how many other cubes would share a given corner atom or face
andreev551 [17]
<span>How many corners does a cube have?
A cube is a 3-dimensional solid figure made by square faces. It would have 8 corners which connects the faces of the cube.

how many faces does a cube have?
There would be 6 faces in a cube

how many other cubes would share a given corner atom or face atom if several cubes were stacked side-to-side, front-to-back, and top-to-bottom?

If several of these cubes are being stacked side-to-side, front-to-back, and top-to-bottom, each corner would share a total of eight cubes. All of the corners would share a different cube. We have eight corners thus eight cubes.</span><span>
</span>
7 0
3 years ago
Other questions:
  • Kala runs 10 miles in 85 minutes. At the same rate, how many minutes would she take to run 8 miles
    13·1 answer
  • What percent of teenage boys masturbate before reaching 18
    7·2 answers
  • Expressions cannot _____.
    9·2 answers
  • On a certain hot​ summer's day, 696 people used the public swimming pool. The daily prices are $1.75 for children and $2.00 for
    6·1 answer
  • What is the slope of(20, 8) (19, 10)
    5·2 answers
  • How to Simplify: (a + 2)(3a - 1')
    14·1 answer
  • 2/5-1/4 simplified please help will make brainliest ​
    9·2 answers
  • WILL MARK BRAINLIEST! The ratio of the angles in a triangle is 2:3:5. What are the angle measures?
    14·1 answer
  • I would like to know the value of b and c
    12·1 answer
  • The expressions that have a value of 180 when b = 4.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!