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blsea [12.9K]
3 years ago
14

BRAINLIESTTTT PLEASE ASAP!!!

Mathematics
1 answer:
podryga [215]3 years ago
8 0
I think that its d seems like it might hope this is right
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What is the constant of proportionality?
MrRa [10]

0 or 2.33333333

2.33333333 rounded to ten is 0

6 0
3 years ago
Read 2 more answers
If log7=a and log…<br> help me solve ths math problem on picture
tatiyna

\qquad\qquad\huge\underline{\boxed{\sf Answer☂}}

Let's solve ~

\qquad \sf  \dashrightarrow \:  log_{4}(39.2)

\qquad \sf  \dashrightarrow \:  log_{4}( {2}^{3} \times  {7}^{2}  \times 10 {}^{ - 1}  )

\qquad \sf  \dashrightarrow \: log_{4}( {2}^{3} )  +  log_{4}( {7}^{2} )  +  log_{4}(10 {}^{ - 1} )

\qquad \sf  \dashrightarrow \: log_{ {2}^{2} }( {2}^{3} )  +  log_{ {2}^{2} }( {7}^{2} )  +  log_{ {2}^{2} }(10 {}^{ - 1} )

\qquad \sf  \dashrightarrow \: \frac{3}{2}  log_{2}(2)  +  \frac{2}{2}  log_{2}(7)  -  \frac{1}{2}  log_{2}(10)

\qquad \sf  \dashrightarrow \: \frac{3}{2}  + a -  \frac{b}{2}

That's the required result ~

also you can take it's LCM and write it as :

\qquad \sf  \dashrightarrow \: \dfrac{2a - b + 3}{2}

3 0
2 years ago
Tell me the answerrr plz
AnnZ [28]
The range is from 6 to 18.
6 0
3 years ago
A car travels 500 miles at an average speed of 60 MPH on the return trip the same route that it travels 50 miles per hour how lo
xxMikexx [17]

Step-by-step explanation:

it is not clear - is 500 miles the whole round trip, or is it only the trip in one direction ?

and do we need the time for the whole round trip, or only for the return trip ?

in any case, always remember,

speed = distance/time

therefore, to get time, we need to divide distance by speed :

distance / distance/time = time×distance/distance = time

so, let's calculate all these different scenarios :

1. 500 miles is only one direction, and we measure only the time going back with 60 mph :

500 / 60 = 50/6 = 25/3 = 8 1/3 = 8 hours 20 minutes.

as 1/3 of 1 hour = 1/3 of 60 minutes = 60/3 = 20 minutes.

2. 500 miles is only one direction (going 1000 miles altogether), and we measure the time going to with 50 mph and going back with 60 mph :

500 / 50 = 10 hours

500 / 60 = 8 hours 20 minutes

the whole round trip takes 18 hours 20 minutes.

3. 500 miles is the whole round trip. so, 250 miles is one direction. and we measure only the time going back with 60 mph :

250 / 60 = 25/6 = 4 1/6 = 4 hours 10 minutes.

as 1/6 of 1 hour = 1/6 of 60 minutes = 60/6 = 10 minutes.

4. 500 miles is the whole round trip. so, 250 miles is one direction. and we measure the time going to with 50 mph and back with 60 mph :

250 / 50 = 5 hours

250 / 60 = 4 hours 10 minutes

the whole round trip takes 9 hours 10 minutes.

did you notice ?

when going only half the distance, also the time it takes to travel that distance is only half (or vice versa - double). because the ratio distance/time is always the same.

7 0
2 years ago
Which is a correct first step for solving this equation?<br><br> −3x+2−5x−7=4x+2
In-s [12.5K]

Answer: x = - 7/12

Step-by-step explanation:

-3x + 2 - 5x - 7 = 4x + 2

=> -8x - 5 = 4x + 2

=> -12x = 7

=> x = - 7/12

3 0
2 years ago
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