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
spin [16.1K]
3 years ago
5

Hi:) how to do this?

Mathematics
1 answer:
musickatia [10]3 years ago
4 0

Answer:

a) 127m (3 s.f.)

b) 271m (3 s.f.)

Step-by-step explanation:

Please see the attached pictures for full solution.

Method 1 is written in black and method 2 is written in pink.

You might be interested in
1<br> Add or subtract and simplify. *<br><br> (3d + 5) + (40 – 1)
aksik [14]
3d +4

How to:
Combine like terms
7 0
3 years ago
The half-life of a certain radioactive material is 83 hours. An initial amount of the material has a mass of 67 kg. Write an exp
Anvisha [2.4K]

Answer:

  • Initial amount of the material is 67 kg
  • Hal-life is 83 hours

<u>The required equation is:</u>

  • m(x) = 67 * (1/2)^{x/83}, where m- remaining amount of the radioactive material, x - number of hours

<u>After 5 hours the material remains:</u>

  • m(5) = 67 * (1/2)^{5/83} = 64.260 (rounded)
4 0
2 years ago
Find the value of in the isosceles triangle shown below.
Tom [10]

Answer:

B

Step-by-step explanation:

The height of 3 cut the base in half and perpendicular to the base, so

x = \sqrt{(4/2)^2 + 3^2}= \sqrt{13|

That is B

6 0
2 years ago
What is the x-intercept of the line with this equation −5x+1/5y=15 ?
bulgar [2K]

9

Step-by-step explanation:

I don't no but 5 and 1 is 6 so add 9 more and you have 15

6 0
3 years ago
victor wants to make a book tower of height 4m. If the thickness of each book is 50 cm how many will he need to make the desired
igor_vitrenko [27]

Answer:

Explained below

Step-by-step explanation:

We know (hopefully) that 100 centimeters is equal to 1 meter.

The expression should essentially be 400/50.

400/50 = 8

Victor would need 8 books to make a tower with the height of 4 meters.

By the way 50 centimeters per book is a pretty hefty book, would be as thick as my hand pointing upwards.

8 0
2 years ago
Read 2 more answers
Other questions:
  • 12345678910 Using the greatest common factor for the terms, how can you write 80 + 32 as a product?
    12·1 answer
  • Help with all please help!!!!! 11 points!!!!
    9·1 answer
  • Please answer this question now in two minutes
    7·1 answer
  • Can someone pls answer these. thank you :))
    5·2 answers
  • What is the sum of the two largest numbers in the list 1/3, 2/7, 3/10, 4/13, 5/17 ?Express your answer in simplest form.
    5·1 answer
  • Can a triangle be drawn with the following angle measures? Why or why not?<br> 50°, 70°, 70°
    7·2 answers
  • Lynn's cruise lasted 6 day 18 hr. Convert the time to hours.<br> Provide your answer below:
    6·2 answers
  • Which product is modeled by the number line below?
    15·2 answers
  • Find the following:<br> f(0)=____<br> f(3)=____<br> f(___)=7<br> f(___)=5
    13·1 answer
  • Which of the following measurements is least precise, and how many significant digits does it
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!