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3 years ago

13

26 less than three times a number is equal to the number. What is the number?

1 answer:

liubo4ka [24]3 years ago

6 0

Answer:

The equation is 26-3x=x.

By solving it we get ,

the number=6.5

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25. A car traveled 324 miles on 54 gallons of gas.

NeTakaya

Answer:

31 gallons of gas are needed to travel 186 miles

Step-by-step explanation:

Well since it took 54 gallons of gas to travel 324 miles you would divide 324 by 54 to find out how many miles could go into each gallon which would be 6 miles per gallon of gas so you would know that 186 divided by something would be 6 so you would do 186 divided by 6 instead to find the answer. So 31 gallons of gas are needed to travel 186 miles.

324/54 = 6

186/? = 6

186/6 = 31

5 0

3 years ago

Someone help me out I thought I knew how to do this

jenyasd209 [6]

12x-2 I think that’s right I’m not really sure

5 0

3 years ago

Use the table from a random survey about the preferred service for streaming movies. Out of 750 people, how many would you expec

LiRa [457]

Answer:

The correct answer option is 192

Step-by-step explanation:

We are given the results of a random survey about the preferred service for streaming movies.

We are to find the number of people we would expect to prefer Company B.

Number of people using service B = 32

Total number of people = 125

Number of people expected to prefer Company B =32/125 x 750 = 192

3 0

2 years ago

Two members of the Math Competition Team solve 13 problems in 1 hour. Assume all team members solve problems at the same rate. H

mylen [45]

14 because 2 people=13 problems in an hour

91/13=7

7times 2 is 14

14 IS YOUR ANSER PLS MARK ME BRAINLIEST :D

4 0

3 years ago

A car has mass 1500 kg and is traveling at a speed of 35 miles/hour. what is its kinetic energy in joules? (Be sure to convert m

photoshop1234 [79]

Answer:

Factor by which kinetic energy increase = 4 times

Step-by-step explanation:

Given,

Mass of the car, v1 = 1500 kg

initial speed of car = 35 miles/h

$=\dfrac{35\times 1609.34}{3600}\ m/s$

= 15.64 m/s

Initial kinetic energy of the car is given by,

$k_1\ =\ \dfrac{1}{2}.m.v_1^2$

$=\ \dfrac{1}{2}\times 1500\times (15.64)^2\ joule$

= 183606.46 J

Final velocity of car v2 = 70 miles/hour

$=\dfrac{70\times 1609.34}{3600}$

= 31.29 m/s

So, final kinetic energy of car is given by

$k_2\ =\ \dfrac{1}{2}.m.v_2^2$

$=\ \dfrac{1}{2}\times 1500\times (31.29)^2$

= 734425.84 J

Now, the ratio of final to initial kinetic energy can be given by,

$\dfrac{k_2}{k_1}=\ \dfrac{734425.84}{183606.46}$

$=>\ k_2\ =\ 4k_1$

Hence, the kinetic energy will increase by 4 times.

7 0

3 years ago