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
Paha777 [63]
3 years ago
12

The temperature fell from 0 Degrees Fahrenheit to 15 and one-half Degrees Fahrenheit below 0 in 5 and three-fourths hours. Wen t

ried to find the change in temperature per hour. Her work is shown below.
Mathematics
2 answers:
Ksju [112]3 years ago
8 0

Answer:

Step-by-step explanation:

I don't see Wen's work, but I'll show you mine!

We can create a set of coordinates for each of these sets of data, where x is the time in hours, and y is the number of degrees in Fahrenheit.

At time 0, the temp is 0: (0, 0)

5.75 hours late, the temp is -15.5: (5.75, -15.5)

We can find the change in temp per hour by using the slope formula, since slope is, after all, the rate at which something is changing.

m=\frac{-15.5-0}{5.75-0}=\frac{-15.5}{5.75}=-2.7 That is rounded to the tenths place from -2.695652174 so you can round it however you need. What the interpretation of this number is is that temp is falling at a rate of 2.7 degrees F per hour.

Marina CMI [18]3 years ago
6 0

Answer:

- 2 16/23 degrees / hr

Step-by-step explanation:

15 1/2 = 31/2

5 3/4 = 23/4

31/2 ÷ 23/4 =

31/2 ×  4/23 =  124/46 = 62/23 = 2 16/23

You might be interested in
Write in standard notation (1/sqrt2-1/sqrt2 i)^6
vesna_86 [32]
Hello,

z=(1/√2-1/√2 i)^6=1/8*(1-i)^6=1/8*(√2∡-45°)^6=1/8*8∡-270°=1∡90°=i
======================================================
7 0
2 years ago
X=-5 and Y=-6 (x+3y) squared.
Semmy [17]
(x+3y)^2
((-5)+3(-6))^2
(-5+3·6)^2
(-5+18)^2
(-5+18)(-5+18)
25-90-90+324
169 is your answer.
3 0
3 years ago
13.50x23 con procedimiento
VashaNatasha [74]
Dowloand mw it help you you can do it there 13.50*23
4 0
3 years ago
Use one of your new conjectures to find the lettered angles measures. R=
amm1812

Answer:

The Exterior Angle of a Triangle Formula states that the measure of an exterior angle is equal to the sum of its remote interior angles. Therefore, r + 58 = 130 which means r = 72°.

7 0
3 years ago
Two lines, C and D, are represented by the equations given below:
Softa [21]

Answer:

(4,14) because both lines pass through it.

Step-by-step explanation:

A "solution" to a system of equations is simply a point that both lines pass through.  

First image is the solution found through graphing and the second image is the solution found through substitution.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Sold rose bouquets and chocolate hearts for Valentin
    9·1 answer
  • Jan accidently ran 7 minutes longer than he was supposed to. Write an expression for the total amount of time Jan ran if she was
    11·1 answer
  • 500mm x 600mm how many 25cm fit inside
    11·1 answer
  • Find the slope and the y-intercept of the line. y=7x-3
    11·1 answer
  • A gas has a volume of 5.0 L at a pressure of 50kPa. What happens to the volume when then the pressure is increased 125kPa. The t
    10·1 answer
  • Explain how to determine if you have a direct variation or proportional relationship
    7·1 answer
  • TEST PLZ HELP FOR POINTS
    6·2 answers
  • Are the two triangles congruent 6cm 13cm
    6·1 answer
  • Cate wants to buy calzones and sodas for her friends. She finds that when she buys 2 calzones and 3 sodas, she pays $13. When sh
    11·1 answer
  • ∠A and \angle B∠B are vertical angles. If m\angle A=(2x-10)^{\circ}∠A=(2x−10) ∘ and m\angle B=(x+8)^{\circ}∠B=(x+8) ∘ , then fin
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!