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
Zielflug [23.3K]
3 years ago
11

For a scientific Experiment, A physicist must make sure that the temperature of a metal at 0°C get to no colder then -80°C. the

physicist changes the metals temperature at a steady rate of -4°C per hour.for how long can the physicist change the temperature
Mathematics
1 answer:
shepuryov [24]3 years ago
8 0
80 divided by 4=20. ANSWER is 20 hours
You might be interested in
*UNIT RATE AND PROPORTIONS*
Advocard [28]

Answer:

Unit rate is $7 per pound.

6 pounds will cost $42

You can buy 10 pounds for $70

Step-by-step explanation:

28/4 = $7 --> Unit rate is $7 per pound.

7 × 6 = $42 --> 6 pounds will cost $42

70/7= 10 --> You can buy 10 pounds for $70

3 0
2 years ago
Elias and Mark together have $756.80. Elias has $489.50. Write and solve an addition equation to determine how much money Mark (
Degger [83]

Answer:

489.5 + m = 756.80 (the amount elias has, added to marks is equal to the total

(756.8- 489.5 = 267.30 which is the amount mark has.)

m= 267.3

the last option is the correct option

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Samantha is making special edition hazelnut and almond chocolate boxes to give to her friends. It costs Samantha $15 to make one
zloy xaker [14]

the answer is Bill Shorten

7 0
2 years ago
Read 2 more answers
Please help guys I need it
Inessa05 [86]

Answer:

a= 20

b= 169.7

c= 29.71

Step-by-step explanation:

The formula of a triangle is (h*b)/2

a= (5*8)/2

b= to find the height, you can use the pythagorean theorem 18^2 - 6^2 = square root of 288. Which is 12root 2 or 16.97. (16.97*20)/2

c= using the pythagorean theorem- 11^2 = 7^2 - c^2 = square root 73, or 6root 2, or 8.49. (8.49* 7)/2

4 0
2 years ago
Please help meee I wanna get out of this class already
postnew [5]

Answer:

The answer is D.

7 0
3 years ago
Read 2 more answers
Other questions:
  • If the volume of a sphere is 36pi cubic units, what is the radius?
    14·2 answers
  • Why is any number to the zero power equal 1 example for kids?
    14·1 answer
  • In Triangle ABC, AB = 10. AC = 14, and angle A = 51°. Find the length of BC to the nearest hundredth
    7·2 answers
  • A red light flashes every 14 minutes. A blue light flashes every 24 minutes. when will the two lights flash together again if th
    12·1 answer
  • HELP! can someone help me with 2,3,and 4?
    5·2 answers
  • PLEASE HELP ITS EASY AND ITS DUE TOMORROW PLEASEEEEEEEEEEEEEEEE
    11·2 answers
  • I need help please help me
    13·1 answer
  • The equation below represents a linear relationship between x and y. Describe what happens to the y value as tue x value increae
    8·2 answers
  • Could someone help me out with this plss
    6·1 answer
  • HELP ME PLEASE Graph the linear equation
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!