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
Virty [35]
3 years ago
11

A sample of a radioactive isotope had an initial mass of 450 mg in the year 2005 and decays exponentially over time. A measureme

nt in the year 2012 found that the sample's mass had decayed to 310 mg. What would be the expected mass of the sample in the year 2017, to the nearest whole number?
Mathematics
1 answer:
yawa3891 [41]3 years ago
8 0

Answer: 238

Step-by-step explanation:

You might be interested in
Can anyone help me with this math stuff? I will give you 15 points please help me
denpristay [2]

Answer:

b

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Three witches were making a brew and needed to triple there recipe the original recipe called for 1 and 1/3 cups of bug splatter
sesenic [268]

Answer:

Bug splatter needed: 4 cups

Sardines needed: 1 and 2/4 cups or 1 and 1/2 cups

Dirty dish water needed: 2 cups

Step-by-step explanation:

1 and 1/3 cups x 3 = 4 cups

2/4 cups x 3 = 1 and 2/4 or 1 and 1/2 cups

2/3 cups x 3 = 2 cups

4 0
2 years ago
Please Help me solve this
zimovet [89]

42 divided by 5 is actually 8.4 however u cant have .4 of a rock so the answer is that each friend gets 8 rocks( including him)

3 0
3 years ago
Read 2 more answers
Find the slope of the line below . Enter your answer as a fraction or decimal. Use a slash mark ( / ) as the fraction bar if nec
rusak2 [61]

Answer:

\displaystyle m = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Reading a coordinate plane
  • Coordinates (x, y)
  • Slope Formula: \displaystyle m = \frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-4, -4)

Point (-2, 2)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute in points [Slope Formula]:                                                              \displaystyle m = \frac{2--4}{-2--4}
  2. [Fraction] Subtract:                                                                                           \displaystyle m = \frac{6}{2}
  3. [Fraction] Divide:                                                                                               \displaystyle m = 3
3 0
3 years ago
At a used book sale, all the books cost the same price. Henry buys 4 paperback books for $3.20. Laney buys 9 books. How much doe
Lemur [1.5K]

Answer:

Henry: 12.80

Laney: 28.80

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • The area of a triangular plot with a base of 5 yards and a height of 8 yards is 20 square yards. What is the area of the triangu
    5·1 answer
  • The expression (x-6)2is equivalent to
    15·1 answer
  • PLEASE HELP ASAP WORTH 30 POINTS Between which two whole numbers is ⎯⎯⎯⎯√square root of 12 ?
    9·1 answer
  • You have 12 cups of granola and 8 1/2 cups of peanuts to make trail mix. What is the greatest number of full batches of trail mi
    13·2 answers
  • Joanne is looking for a job as a teacher. She plans to send resumes to 123 schools in her county. Her local printer charges $23
    15·2 answers
  • Find the slope of the line <br> y= 9/2x<br> .
    14·2 answers
  • What is the maximum value for the function on the interval [-2,3]
    12·2 answers
  • The length of a rectangle is the sum of the width and one. The area direct angle 72 units. What’s the length, in units, of the r
    13·1 answer
  • There are 24 children at the skate park. Seven of them are on bikes, nine of
    11·2 answers
  • Dose anybody know this need the answer asp
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!