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mrs_skeptik [129]
3 years ago
14

Evaluate j/4 when j=12

Mathematics
2 answers:
Aleks04 [339]3 years ago
7 0
I'm guessing, you substitute j with 12 and then you would have 12/4 and that would be 3
balu736 [363]3 years ago
6 0
J/4=12/4 ( j=12)
the answer is 3.
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I’m gonna be honest I can’t figure it out I need help
Margaret [11]

Answer:

No, the two different lines have nothing to do with eachother  so the is no relationship and is not a proportional relationship.

Step-by-step explanation:

7 0
3 years ago
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A mine elevator was at a depth of -120 feet. After 15 seconds, the mine elevator was at a depth of -30 feet. What expression can
Dafna11 [192]

Answer:

The answers to the given question are:

i.  The equipment elevator is at a depth of 176 feet (-176 feet), while the miner's elevator is at a depth of 210 feet (-210 feet) below the surface.

ii. The miner's elevator is deeper than that of the equipment.

The speed of an object is the rate at which the object moves.

i.e. speed =

Thus,

Speed of the equipment elevator = 4 feet per second

Speed of the miner's elevator = 15 feet per second.

Time of descent of the equipment elevator = 30 + 14

                                 = 44 seconds

So that, the distance of the elevator at this time is;

speed =

⇒ distance = speed x time

                  = 4 x 44

                  = 176

  distance = - 176 feet

The distance of the miner's elevator after 14 seconds is:

speed =

⇒ distance = speed x time

                 = 15 x 14

                 = 210

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Thus, after another 14 seconds, the equipment elevator is at a depth of 176 feet (-176 feet), while the miner's elevator is at a depth of 210 feet (-210 feet) below the surface.

Therefore, the miner's elevator is deeper than that of the equipment.

Step-by-step explanation:

done

4 0
2 years ago
HELP ASAP!!!!!!The equation y-7/2=1/2(x-4) is written in point-slope form. What is the y-intercept of the equation?
vladimir2022 [97]
The answer fitlr y-intercept is 3/2

6 0
3 years ago
Read 2 more answers
Debra travels a distance of 2 miles in 1 minute how much distance can she cover in 25 minutes
Marta_Voda [28]

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Step-by-step explanation:

Given

distance = 2 miles

Time = 1 minute

Other time = 25 minutes

We can use the proportions to find the number of miles debra will travel in 25 minutes

So,

Distance:Time::Distance:Time\\2:1::Distance:25\\\frac{2}{1} = \frac{Distance}{25}\\Distance = 25 *2\\= 50\ miles

Hence,

Debra will travel 50 miles in 25 minutes

Keywords: Proportion, rate

Learn more about proportion at:

  • brainly.com/question/4528757
  • brainly.com/question/4480478

#LearnwithBrainly

8 0
3 years ago
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mixer [17]
3ft per second on a still sidewalk (27/9) , 11ft on the moving sidewalk.(99/9)

Hope this helps!
5 0
3 years ago
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