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zalisa [80]
3 years ago
6

Oliver traveled 124.25 miles in 3.5 hours at a constant speed. What is the constant of proportionality in miles per hour?

Mathematics
2 answers:
Citrus2011 [14]3 years ago
6 0

Answer:

hello, i found that the answer is C

hope this helps! have a good day

Step-by-step explanation:

Elan Coil [88]3 years ago
3 0

Answer:

Simple!

All you have to do is divide 3.5 by 124.25

124.25 / 3.5 = 35.5

Your answer is C.

Hope this helps!


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a quantity of ethanol is cooled from 47.9° C to 12.3°C and releases 3.12 KJ of heat. what is the mass of the ethanol sample?​
victus00 [196]

Answer:

35.9 grams

Step-by-step explanation:

We use the formula:

q=m*C_p*\Delta T

Where

q is heat released

m is mass

C_p is the constant 2.44

ΔT is change in temperature

We put the info in the formula and solve for m (mass):

q=m*C_p*\Delta T\\-3.12 =  m*2.44(12.3-47.9)\\-3.12*10^3=m*(-86.864)\\m=35.9

The mass of ethanol is 35.9 grams

8 0
4 years ago
Which list orders the numbers from least to greatest​
aleksklad [387]

Answer:

The answer is D

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Vega swam her leg of the race in 27.98 seconds and Janice swam her leg of the relay race in 25.679 seconds. What was their combi
morpeh [17]

To get their combined time, get the sum of Vega's time and Janice's

27.98\text{ sec}+25.679\text{ sec }=53.659\text{ sec}

Therefore, their combined time for their part of the relay is 53.659 seconds.

6 0
1 year ago
I need help with this problem! Must explain why.
OLEGan [10]

Answer:

95°

Step-by-step explanation:

Angle 1 and 4 are opposite angles, thus equal, so:

3x+10 = 4x-15 =>

x = 25

Angle 1 and 4 are 85°

Angle 4 and angle 6 are called allied (or co-interior) angles, which are supplementary, i.e., angle 6 = 180 - angle 4, so angle 6 = 95°.

Angle 6 and 7 are again opposite, so angle 7 is 95° as well!

7 0
3 years ago
20) Laila borrowed $9000 from a bank that
iris [78.8K]

Answer:

the answer i think is $259200

Step-by-step explanation:

if the bank charges 7.2% every year, and in this case it's 4 years, then that would mean it would be 28.8%(7.2 x 4), which means the answer would be 9000 x 28.8 which is 259200.

Hope it helped

3 0
3 years ago
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