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
morpeh [17]
2 years ago
7

Plutonium-240 decays according to the function e(t)=Q e-k where 0 represents the quantity remaining after t years and k is the d

ecay constant, 0.00011... To the nearest 10 years, how long will it take 27 grams of plutonium-240 to decay to 9 grams? A. 1.44 years B. 2,100 years C. 9,990 years D. 18,900 years​
Mathematics
1 answer:
Grace [21]2 years ago
7 0

Answer: 9,990

Step-by-step explanation:

You might be interested in
Apparently I'm supposed to do one at a time so here we go again
Nat2105 [25]
A) 60mph
B) 209.7 miles
C) 2 hours and 45 minutes
3 0
2 years ago
F(x)=-x^2+8x-11 find the value of f(-1)-f(1)
IrinaVladis [17]

Answer: The answer is (4,5)

Step-by-step explanation:

5 0
3 years ago
Find the product
o-na [289]

Answer:

2x^3 - 2x^2  - 12x

Step-by-step explanation:

2x(x - 3)(x + 2)

= 2x ( x^2 + 2x -3x - 6)

= 2x (x^2 - x - 6)

= 2x^3 - 2x^2  - 12x (answer).

7 0
2 years ago
Read 2 more answers
In the figure below, segment AC is congruent to segment AB:
stepladder [879]

Answer: A. "Segment AD bisects angle CAB." is the right answer.

Step-by-step explanation:

Given : In ΔABC ,AC≅AB.

⇒∠ACB=∠CBA....(1) (∵ angles opposite to equal sides of a triangle are equal )

Now in ΔACD and ΔABD

AD=AD (common)....(2)

Here we need one more statement to prove the triangles congruent that is only statement (A) fits in it.

If AD bisects ∠CAB then ∠CAD=∠BAD..(3)

Now again Now in ΔACD and ΔABD

∠ACB=∠CBA [from (1)]

AD=AD [common]

∠CAD=∠BAD [from (3)]

So by ASA congruency criteria ΔADC≅ΔABD.

7 0
3 years ago
What is the answer please help me now
Ann [662]

Answer:

the speaker of speaker is a very good speaker and the author is a little biased in this topic but the topic of

Step-by-step explanation:

he was very good and very good at it he had to do a very good thing to me he had to get the wrong answers

6 0
2 years ago
Other questions:
  • jay needs 19 quarts more paint for the outside of his barn than for the inside. If he uses 107 quarts in all, how many gallons o
    5·2 answers
  • If the sales tax in you city is 4.7% and an item cost $164 before tax how much tax would you pay on that item round to the neare
    8·1 answer
  • If cardboard costs $0.05 per square inch, how much would it cost to make a box with a surface area of 384 sq inch? How would you
    15·2 answers
  • A square has an area of 25 cm(squared). What is the length of each side?
    13·1 answer
  • -6 by 7 + -3 by 8 solution i want please​
    10·1 answer
  • Can someone help me solve please<br><img src="https://tex.z-dn.net/?f=x%20%2B%202%20%5Csqrt%7Bx%7D%20%20-%203%20%3D%200" id="Tex
    13·2 answers
  • Simplify the following expression.<br> 3m+4n-6n
    14·1 answer
  • What are the domain and range of the function represented by the set of ordered pairs? {(-7,1),(-3,2), (0, -2), (5,-5)}​
    8·1 answer
  • Select all the expressions that are equivalent to 15n - 10
    8·2 answers
  • 16. The measure of angle QRT is 154 degrees, and ray RS bisects angle QRT. What are the measures of angle QRS and angle SRT?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!